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A1 between J7 / A602 and J8, Hertfordshire (Grid ref TL221261)
A1 between J3 and J4, Hertfordshire (Grid ref TL224099)
A1 between J5 and J6, Hertfordshire (Grid ref TL223140)
A1 between A5135 and A1M, Hertfordshire (Grid ref TQ220990)
A1 between J8 and J9, Hertfordshire (Grid ref TL230290)
A1 between J2 and J3, Hertfordshire (Grid ref TL214065)
A1 between A1000/B197 and J7 / A602, Hertfordshire (Grid ref TL243196)
A1 between A1000 Hertford Road and A1000/B197, Hertfordshire (Grid ref TL235160)
A1 between J1 and J2, Hertfordshire (Grid ref TL223050)
A1 between J9 and Hertfordshire boundary, Hertfordshire (Grid ref TL239330)
A1 between J4 and J5, Hertfordshire (Grid ref TL224120)
A1 between A1M and M25, Hertfordshire (Grid ref TQ223998)
A1 between A1 and M25, Hertfordshire (Grid ref TQ224999)
A10 between A1170 and B158, Hertfordshire (Grid ref TL357170)
A10 between A10 spur to A1170 and A414, Hertfordshire (Grid ref TL360124)
A10 between Shrubbery Grove and Sun Hill, Hertfordshire (Grid ref TL357401)
A10 between main A10 and A1170, Hertfordshire (Grid ref TL362048)
A10 between A414 and A602, Hertfordshire (Grid ref TL344147)
A10 between A1170 and A10 spur to A1170, Hertfordshire (Grid ref TL359045)
A10 between A10 main route and A1170, Hertfordshire (Grid ref TL368114)
A10 between Sun Hill and Melbourn Rd, Hertfordshire (Grid ref TL359406)
A10 between A602 and A1170, Hertfordshire (Grid ref TL350156)
A10 between A10 spur to A1170 Dinant Link Rd and A10 spur to A1170 Ware Rd, Hertfordshire (Grid ref TL364100)
A10 between A121 and B198 College Rd, Hertfordshire (Grid ref TL353020)
A10 between A120 and A507, Hertfordshire (Grid ref TL384250)
A10 between A10 spur to A1170 High Rd Turnford and A10 spur to A1170 Dinant Link Rd, Hertfordshire (Grid ref TL359068)
A10 between M25 and A121, Hertfordshire (Grid ref TL351004)
A10 between A10 main route and A1170, Hertfordshire (Grid ref TL369090)
A10 between B158 and A120, Hertfordshire (Grid ref TL364189)
A10 between A10 main route and A10 spur/A1170 High Road Turnford, Hertfordshire (Grid ref TL360041)
A10 between A507 and Shribbery Grove, Royston, Hertfordshire (Grid ref TL355330)
A10 between Melbourn Rd, Royston and A505, Hertfordshire (Grid ref TL361420)
A10 between B198 College Rd and A1170, Hertfordshire (Grid ref TL354030)
A10 between A10(T) and A120, Hertfordshire (Grid ref TL373201)
A1000 between A111 and B156, Hertfordshire (Grid ref TL260009)
A1000 between A1000 split and A1M Jct 6/B656/B197, Hertfordshire (Grid ref TL234160)
A1000 between inner ring road and inner ring road, Hertfordshire (Grid ref TL248135)
A1000 between A1001 and A414W, Hertfordshire (Grid ref TL230080)
A1000 between B195W and Ring Rd Jct S, Hertfordshire (Grid ref TL244133)
A1000 between A6129 and B195 W, Hertfordshire (Grid ref TL240121)
A1000 between A1000 Mill Green Lane and A6129, Hertfordshire (Grid ref TL240101)
A1000 between LA boundary and Hill Rise, Potters Bar, Hertfordshire (Grid ref TL258000)
A1000 between B156 and School Rd, Hertfordshire (Grid ref TL261020)
A1000 between B158 and Dixons Hill Rd, Welham Green, Hertfordshire (Grid ref TL250055)
A1000 between B157 and B158, Hertfordshire (Grid ref TL259041)
A1000 between A1000 Mundells and A1000 Hertford Rd, Hertfordshire (Grid ref TL241150)
A1000 between Ring Rd Jct S and Ring Rd Jct N, Hertfordshire (Grid ref TL248136)
A1000 between A414 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL239099)
A1000 between Hill Rise and A111, Hertfordshire (Grid ref TL259007)
A1000 between School Rd, Potters Bar and B157, Hertfordshire (Grid ref TL261030)
A1000 between Dixons Hill Rd and A1001, Hertfordshire (Grid ref TL235064)
A1000 between A1000 split and A1M/B197 S, Hertfordshire (Grid ref TL233157)
A1000 between Bessemer Rd and A1000 split, Hertfordshire (Grid ref TL240154)
A1001 between A1(M) and A1057, Hertfordshire (Grid ref TL212080)
A1001 between A1(M) jn2 and A1(M) jn3, Hertfordshire (Grid ref TL214070)
A1001 between A1(M) and A1000, Hertfordshire (Grid ref TL220062)
A1001 between A1057 and A1M / A414 / A6129, Hertfordshire (Grid ref TL225100)
A1005 between Hertfordshire boundary and M25, Hertfordshire (Grid ref TL268001)
A1010 between Hertfordshire boundary and A121, Hertfordshire (Grid ref TL363002)
A1057 between Lyon Way, St Albans and Poplar Avenue, Hatfield, Hertfordshire (Grid ref TL200078)
A1057 between Poplar Avenue and A1001, Hertfordshire (Grid ref TL210082)
A1057 between A1081/A4147 and Lyon Way, Hertfordshire (Grid ref TL160072)
A1059 between B1259 and A1250, Hertfordshire (Grid ref TL490210)
A1060 between B1383 and Bedlams Lane, Hertfordshire (Grid ref TL495204)
A1060 between Bedlams Lane and Hertfordshire boundary, Hertfordshire (Grid ref TL495203)
A1060 between A1250 and B1383, Hertfordshire (Grid ref TL493207)
A1070 between A1072 and A602, Hertfordshire (Grid ref TL235236)
A1072 between A602 and A1155, Hertfordshire (Grid ref TL249262)
A1072 between A1070 and A1155, Hertfordshire (Grid ref TL229240)
A1072 between A1155 and A602, Hertfordshire (Grid ref TL226250)
A1072 between A602 and A1070, Hertfordshire (Grid ref TL236230)
A1081 between Beesonend Lane, Harpenden and Sandridgebury Lane, St Albans, Hertfordshire (Grid ref TL143112)
A1081 between A5183 and A4147, Hertfordshire (Grid ref TL148074)
A1081 between B487 and B653, Hertfordshire (Grid ref TL136136)
A1081 between M25 Jct 22 and A414, Hertfordshire (Grid ref TL185040)
A1081 between LA boundary and M25, Hertfordshire (Grid ref TQ240976)
A1081 between A4147 and B651, Hertfordshire (Grid ref TL150077)
A1081 between A414 and A5183, Hertfordshire (Grid ref TL160061)
A1081 between The Common, Harpenden and Hertfordshire boundary, Hertfordshire (Grid ref TL100169)
A1081 between B556 W and M25 (midpoint), Hertfordshire (Grid ref TL190032)
A1081 between Beesonend Lane and B487, Hertfordshire (Grid ref TL137125)
A1081 between B653 and The Common, Hertfordshire (Grid ref TL129150)
A1081 between Sandridgebury Lane and B651 Stonecross, Hertfordshire (Grid ref TL150084)
A111 between Hill Rise and A1000, Hertfordshire (Grid ref TL262006)
A111 between Hertfordshire boundary and M25, Hertfordshire (Grid ref TQ267998)
A111 between M25 and Hill Rise, Hertfordshire (Grid ref TL263004)
A1155 between A1155 Fairlands Way and A602, Hertfordshire (Grid ref TL240240)
A1155 between A1072 and A602, Hertfordshire (Grid ref TL229242)
A1155 between A1155 St George's Way and A1072, Hertfordshire (Grid ref TL242245)
A1155 between A602 and A1155 St George's Way, Hertfordshire (Grid ref TL236244)
A1170 between Quincey Rd, Hertford and A10, Hertfordshire (Grid ref TL354156)
A1170 between St Margaret's Rd and A10, Hertfordshire (Grid ref TL371112)
A1170 between A10 and Postwood Rd, Hertford, Hertfordshire (Grid ref TL369120)
A1170 between A119 and A119, Hertfordshire (Grid ref TL361138)
A1170 between A119 and B1004, Hertfordshire (Grid ref TL356144)
A1170 between A10 and A10, Hertfordshire (Grid ref TL376090)
A1170 between B156 Halfhide Lane and A10 spur, Hertfordshire (Grid ref TL362044)
A1170 between Postwood Rd and A119, Hertfordshire (Grid ref TL362135)
A1170 between B1004 and Quincey Rd, Hertfordshire (Grid ref TL355150)
A1170 between A10 and St Margaret's Rd, Hertfordshire (Grid ref TL371100)
A1170 between B156 and A10, Hertfordshire (Grid ref TL361042)
A1184 between Hertfordshire boundary and Station Rd, Sawbridgeworth, Hertfordshire (Grid ref TL477142)
A1184 between Station Rd, Sawbridgeworth and B1383, Hertfordshire (Grid ref TL483156)
A1184 between Moor Hall Lane and B1004, Hertfordshire (Grid ref TL468200)
A1184 between B1383 and Moor Hall Lane, Hertfordshire (Grid ref TL480188)
A1184 between B1004 and A120/1250, Hertfordshire (Grid ref TL468205)
A119 between A602 and Bramfield Rd, Hertford, Hertfordshire (Grid ref TL311150)
A119 between A414 and A119 Amwell End, Hertfordshire (Grid ref TL353139)
A119 between A119 Amwell End and A1170, Hertfordshire (Grid ref TL360139)
A119 between A119 and A1170, Hertfordshire (Grid ref TL359140)
A119 between Bramfield Rd and A414, Hertfordshire (Grid ref TL318127)
A120 between A10(T) and A1184 / A250, Hertfordshire (Grid ref TL450224)
A120 between A1184 / A250 and Hertfordshire boundary, Hertfordshire (Grid ref TL480230)
A121 between A121 / A1010 and Hertfordshire boundary, Hertfordshire (Grid ref TL374005)
A121 between B176 and A10, Hertfordshire (Grid ref TL355008)
A121 between A1010 and B176, Hertfordshire (Grid ref TL362004)
A1250 between A120 / A1184 and A1059, Hertfordshire (Grid ref TL480216)
A1250 between A1060 and Parsonage Lane, Hertfordshire (Grid ref TL500211)
A1250 between A1060 and A1059, Hertfordshire (Grid ref TL492212)
A1250 between Parsonage Lane and Hertfordshire boundary, Hertfordshire (Grid ref TL507215)
A4008 between Hertfordshire boundary and A4008 split, Hertfordshire (Grid ref TQ120948)
A4008 between A4008 split and A411/A4125, Hertfordshire (Grid ref TQ119953)
A4008 between A4008 split and A411/B462, Hertfordshire (Grid ref TQ120953)
A4008 between A411 and A41/M1 roundabout, Hertfordshire (Grid ref TQ118970)
A404 between A4145 and Hertfordshire boundary, Hertfordshire (Grid ref TQ070928)
A404 between M25 and A412, Hertfordshire (Grid ref TQ050958)
A404 between A412 and A4145, Hertfordshire (Grid ref TQ060940)
A404 between road from North Hill, Chorleywood and M25, Hertfordshire (Grid ref TQ033967)
A404 between Hertfordshire boundary and road from North Hill, Hertfordshire (Grid ref TQ026975)
A405 between M1 and M25, Hertfordshire (Grid ref TL119022)
A405 between A41 and A412, Hertfordshire (Grid ref TL110004)
A405 between M25 and Tippendell Lane, St Albans, Hertfordshire (Grid ref TL136039)
A405 between A412 and M1, Hertfordshire (Grid ref TL117010)
A405 between Tippendell Lane and M10, Hertfordshire (Grid ref TL140046)
A409 between Hertfordshire boundary and A411, Hertfordshire (Grid ref TQ156945)
A41 between B462 and A4008 / M25 J5, Hertfordshire (Grid ref TQ131978)
A41 between M25 JCT 20 and A414, Hertfordshire (Grid ref TL058031)
A41 between A411 / M25 J19 SPUR and A405, Hertfordshire (Grid ref TQ090995)
A41 between A4251 and B488/B4635, Hertfordshire (Grid ref SP926108)
A41 between Woodmere Ave and A412, Hertfordshire (Grid ref TQ120989)
A41 between A417 / M25 JCT 19 SPUR and M25 JCT 20, Hertfordshire (Grid ref TL083000)
A41 between A414 and A4251W, Hertfordshire (Grid ref TL030061)
A41 between A412 and A405, Hertfordshire (Grid ref TQ100995)
A41 between A4251 W and A416, Hertfordshire (Grid ref TL003063)
A41 between A5183 / A5 and A411, Hertfordshire (Grid ref TQ164950)
A41 between A411 and B462, Hertfordshire (Grid ref TQ150959)
A41 between A416 and A416, Hertfordshire (Grid ref SP986066)
A41 between B488/B4635 and Hertfordshire boundary, Hertfordshire (Grid ref SP905112)
A41 between Hertfordshire boundary and A5183, Hertfordshire (Grid ref TQ175944)
A41 between A4008 / M25 J5 and Woodmere Ave, Hertfordshire (Grid ref TQ125984)
A41 between A416 and A4251, Hertfordshire (Grid ref SP970076)
A41 between LA Boundary Buckinghamshire County and B4009, Hertfordshire (Grid ref SP905112)
A41, Hertfordshire (Grid ref TQ090995)
A41, Hertfordshire (Grid ref TQ094996)
A41, Hertfordshire (Grid ref TQ092996)
A41, Hertfordshire (Grid ref TQ095996)
A41, Abbots Langley, Hertfordshire (Grid ref TQ094999)
A411 between A4140 and A409, Hertfordshire (Grid ref TQ150946)
A411 between Upton Rd and A411 Beechen Grove, Hertfordshire (Grid ref TQ108966)
A411 between A5183 and A1(T), Hertfordshire (Grid ref TQ200954)
A411 between Courtlands Drive and A412, Hertfordshire (Grid ref TQ100976)
A411 between A4145 and A411 Beechen Grove split, Hertfordshire (Grid ref TQ111960)
A411 between A4008 and A4008, Hertfordshire (Grid ref TQ119954)
A411 between A409 and A41(T), Hertfordshire (Grid ref TQ160950)
A411 between A412 and A411 Exchange Rd, Hertfordshire (Grid ref TQ108968)
A411 between A411 Beechen Grove split and A4008, Hertfordshire (Grid ref TQ115962)
A411 between A41(T) and A5183, Hertfordshire (Grid ref TQ170951)
A411 between Upton Rd and A4145, Hertfordshire (Grid ref TQ108963)
A411 between Beechen Grove split and A411 Exchange Rd, Hertfordshire (Grid ref TQ109966)
A411 between A4008 and A4140, Hertfordshire (Grid ref TQ130953)
A411 between M25 and Courtlands Drive, Hertfordshire (Grid ref TQ088990)
A411 between A4008 and A4008, Hertfordshire (Grid ref TQ117963)
A411 between A4008 and A4008, Hertfordshire (Grid ref TQ117963)
A412 between Long Lane and A404, Hertfordshire (Grid ref TQ050941)
A412 between A411 and A41(T), Hertfordshire (Grid ref TQ108975)
A412 between A404 Riverside Drive and A404 Chorleywoood Rd, Hertfordshire (Grid ref TQ056946)
A412 between A404 and A4178, Hertfordshire (Grid ref TQ060947)
A412 between A412 Uxbridge Rd and M25, Hertfordshire (Grid ref TQ033939)
A412 between A41(T) and A405(T), Hertfordshire (Grid ref TL114000)
A412 between A4178 and A411, Hertfordshire (Grid ref TQ105967)
A412 between Hertfordshire boundary and A412 split, Hertfordshire (Grid ref TQ030917)
A412 between A412 Denham Way and Long Lane, Hertfordshire (Grid ref TQ039935)
A4125 between A4178 and A411/A4008, Hertfordshire (Grid ref TQ115952)
A4125 between B4542 and A411, Hertfordshire (Grid ref TQ100939)
A4125 between Hertfordshire boundary and B4542, Hertfordshire (Grid ref TQ102920)
A414 between B1197 London Rd and A10, Hertfordshire (Grid ref TL340124)
A414 between A4251 and A4146, Hertfordshire (Grid ref TL054060)
A414 between A1170 and Eastwick Rd roundabout, Hertfordshire (Grid ref TL433114)
A414 between A1081 and A1(M), Hertfordshire (Grid ref TL203067)
A414 between A4147 and M1, Hertfordshire (Grid ref TL088075)
A414 between A1M / A1001 / A6129 and A1000 (midpoint), Hertfordshire (Grid ref TL229102)
A414 between A4146 and A4147, Hertfordshire (Grid ref TL060066)
A414 between A119 Cross Lane and A119 Ware Rd, Hertfordshire (Grid ref TL323124)
A414 between M10 and A1081, Hertfordshire (Grid ref TL150048)
A414 between A1000 Mill Green Lane and B1455 Holwell Lane, Hertfordshire (Grid ref TL249100)
A414 between Eastwick Rd roundabout and Hertfordshire boundary, Hertfordshire (Grid ref TL442116)
A414 between A1000 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL240097)
A414 between Campfield Rd and A119, Hertfordshire (Grid ref TL318124)
A414 between A119 and B1197 London Rd/John Tate Rd roundabout, Hertfordshire (Grid ref TL333124)
A414 between A41 and A4251, Hertfordshire (Grid ref TL052054)
A414 between B1455 and Campfield Rd, Hertford, Hertfordshire (Grid ref TL300119)
A414 between A1170 and Eastwick Rd roundabout, Hertfordshire (Grid ref TL433114)
A414 between A414 and M1 (8), Hertfordshire (Grid ref TL091076)
A414 between M1 Junction 7 and Roundabout A414, A5183 and A405, Hertfordshire (Grid ref TL142051)
A414 between J7 and J8, Hertfordshire (Grid ref TL095071)
A4140 between A409 and A411, Hertfordshire (Grid ref TQ150940)
A4145 between Chenies Way and A4178 roundabout, Hertfordshire (Grid ref TQ100957)
A4145 between A4178 roundabout and A411, Hertfordshire (Grid ref TQ108961)
A4145 between A404 and Chenies Way, Watford, Hertfordshire (Grid ref TQ077940)
A4146 between A414 and Gadebridge Lane, Hertfordshire (Grid ref TL053070)
A4146 between A4147 and LA boundary, Hertfordshire (Grid ref TL033109)
A4146 between Gadebridge Lane and A4147, Hertfordshire (Grid ref TL050084)
A4146 between A4251 and A414, Hertfordshire (Grid ref TL050061)
A4146 between Warners End Road and A4147, Hertfordshire (Grid ref TL050084)
A4146 between A414 and Warners End Road, Hertfordshire (Grid ref TL053070)
A4147 between King Harry Lane roundabout and A5183, Hertfordshire (Grid ref TL132070)
A4147 between A4146 and Aycliffe Drive, Hemel Hempstead, Hertfordshire (Grid ref TL060088)
A4147 between A5183 and A1081, Hertfordshire (Grid ref TL141077)
A4147 between B487 and A414, Hertfordshire (Grid ref TL078080)
A4147 between Greenacres, Hemel Hempstead and King Harry Lane roundabout, Hertfordshire (Grid ref TL100060)
A4147 between A414 and Greenacres, Hertfordshire (Grid ref TL081067)
A4147 between Aycliffe Drive and B487, Hertfordshire (Grid ref TL068090)
A416 between A416 split Kingshll Way Rndbt and A4251, Hertfordshire (Grid ref SP985072)
A416 between Hertfordshire boundary and A416 split, Hertfordshire (Grid ref SP982063)
A416 between A416 Chesham Road and A416 Kingshill Way, Hertfordshire (Grid ref SP985065)
A416 between A416 Chesham Road and A41, Hertfordshire (Grid ref SP984065)
A416 between A416 Kingshill Way and A41, Hertfordshire (Grid ref SP988067)
A4178 between A4125 and A4145 roundabout, Hertfordshire (Grid ref TQ110958)
A4178 between A411 and A412, Hertfordshire (Grid ref TQ105965)
A4178 between A4145 and A411, Hertfordshire (Grid ref TQ106963)
A4251 between A4146 and A414, Hertfordshire (Grid ref TL050058)
A4251 between A414 and Nash Mills Lane, Hertfordshire (Grid ref TL061050)
A4251 between Hall Park Gate, Berkhamstead and A41, Hertfordshire (Grid ref TL008068)
A4251 between A41 and B4505, Hertfordshire (Grid ref TL034059)
A4251 between B4506 and A416, Hertfordshire (Grid ref SP980084)
A4251 between A41 / B4635 and Boswick Lane, Berkhamstead, Hertfordshire (Grid ref SP961100)
A4251 between B4505 and A4146, Hertfordshire (Grid ref TL045060)
A4251 between A416 and Hall Park Gate, Hertfordshire (Grid ref SP997075)
A4251 between Boswick Lane and B4506, Hertfordshire (Grid ref SP970091)
A4251 between Nash Mills Lane, Hemel Hempstead and Home Park Mill Link Rd, Kings Langley, Hertfordshire (Grid ref TL074020)
A4251 between Home Park Mill Link Rd, Kings Langley and M25 Jn20, Hertfordshire (Grid ref TL075017)
A5 between B4540 and M1 jn9, Hertfordshire (Grid ref TL086150)
A5 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL092146)
A5 between A4012 and A505, Hertfordshire (Grid ref TL064163)
A5 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL091146)
A505 between A6141 and A6141, Hertfordshire (Grid ref TL239335)
A505 between B656 and Stotwold Rd/Queenswood Drive, Hertfordshire (Grid ref TL200302)
A505 between A600 and B656, Hertfordshire (Grid ref TL190297)
A505 between A1198 and A10, Hertfordshire (Grid ref TL360424)
A505 between A6141 and A507, Hertfordshire (Grid ref TL245340)
A505 between B655 and A602, Hertfordshire (Grid ref TL180290)
A505 between Stotwold Rd/Queenswood Drive and A6141, Hertfordshire (Grid ref TL223320)
A505 between Hertfordshire boundary and B655, Hertfordshire (Grid ref TL165284)
A505 between Baldock Rd roundabout and A1198, Hertfordshire (Grid ref TL350420)
A505 between A505 Old Park Rd and A600, Hertfordshire (Grid ref TL180295)
A505 between A507 and Baldock Rd (non-A505), Hertfordshire (Grid ref TL327400)
A505 between A602 and Old Park Rd, Hertfordshire (Grid ref TL182293)
A505 between A602 and Bedford Rd, Hertfordshire (Grid ref TL181293)
A505 between A10 and Hertfordshire boundary, Hertfordshire (Grid ref TL370412)
A505 between A1(M) and Baldock Roundabout, Hertfordshire (Grid ref TL241312)
A507 between Wallington Rd, Baldock and A10, Hertfordshire (Grid ref TL299305)
A507 between A1(M) and Salisbury Rd, Baldock, Hertfordshire (Grid ref TL241348)
A507 between A505 and Wallington Rd, Hertfordshire (Grid ref TL250336)
A507 between Salisbury Rd and A505, Hertfordshire (Grid ref TL245342)
A5135 between B5378 and Newark Green roundabout, Hertfordshire (Grid ref TQ200970)
A5183 between B487 and A5, Hertfordshire (Grid ref TL100137)
A5183 between M10 and A1081, Hertfordshire (Grid ref TL142056)
A5183 between A4147 and B487, Hertfordshire (Grid ref TL118101)
A5183 between A41 and A411, Hertfordshire (Grid ref TQ176950)
A5183 between A4147 and A4147, Hertfordshire (Grid ref TL139077)
A5183 between A411 and Park Street Lane, St Albans, Hertfordshire (Grid ref TL163000)
A5183 between A1081 and A4147, Hertfordshire (Grid ref TL143075)
A5183 between B487 and B487, Hertfordshire (Grid ref TL110119)
A5183 between Park Street Lane and M10, Hertfordshire (Grid ref TL146045)
A600 between Turnpike Lane, Hitchin and Hertfordshire boundary, Hertfordshire (Grid ref TL170346)
A600 between A505 and Turnpike Lane, Hertfordshire (Grid ref TL178305)
A602 between A1070 and A1155, Hertfordshire (Grid ref TL239238)
A602 between Whitehill Rd, Hitchin and A1(M), Hertfordshire (Grid ref TL200278)
A602 between A1(M) and A1072, Hertfordshire (Grid ref TL237225)
A602 between A505 and B656, Hertfordshire (Grid ref TL181286)
A602 between A602 split and A1155, Hertfordshire (Grid ref TL232250)
A602 between A1155 and A1070, Hertfordshire (Grid ref TL235240)
A602 between Hertford Rd, Stevenage and A119, Hertfordshire (Grid ref TL291200)
A602 between A1155 and B197, Hertfordshire (Grid ref TL242230)
A602 between A119 and A10, Hertfordshire (Grid ref TL320192)
A602 between A1072 and A602 Monkswood Way, Hertfordshire (Grid ref TL240227)
A602 between Coreys Mill Lane and A1072, Hertfordshire (Grid ref TL230261)
A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL231254)
A602 between A602 merge and A602 split, Hertfordshire (Grid ref TL232255)
A602 between A1072 and A602 split, Hertfordshire (Grid ref TL231257)
A602 between B656 and Whitehill Rd, Hertfordshire (Grid ref TL190282)
A602 between B197 and Hertford Rd, Hertfordshire (Grid ref TL257226)
A602 between A1(M) and Coreys Mill Lane, Hertfordshire (Grid ref TL226267)
A6129 between B197 and A1000, Hertfordshire (Grid ref TL235120)
A6129 between A1M / A1001 / A414 and B197, Hertfordshire (Grid ref TL227110)
A6141 between A1(M) and Baldock Lane, Hertfordshire (Grid ref TL234310)
A6141 between A1(M) and Weston Way, Hertfordshire (Grid ref TL237308)
A6141 between Baldock Lane and A505, Hertfordshire (Grid ref TL228320)
A6141 between A505 and Weston Way, Hertfordshire (Grid ref TL247330)
B1000, Welwyn Road, Hertfordshire (Grid ref TL315128)
B1004, Hadham Road, Hertfordshire (Grid ref TL453199)
B1004, Hertfordshire (Grid ref TL423166)
B1037, White Hill, Hertfordshire (Grid ref TL295279)
B1037, Stevenage Road, Hertfordshire (Grid ref TL286259)
B1037, Hertfordshire (Grid ref TL301285)
B1038, Conduit Lane, Hertfordshire (Grid ref TL415303)
B1038, Baldock Road, Hertfordshire (Grid ref TL357294)
B1039, N/a, Hertfordshire (Grid ref TL383396)
B1368, Hare Street B1368, Hertfordshire (Grid ref TL391315)
B1368, High Street, Hertfordshire (Grid ref TL384357)
B1368, Hertfordshire (Grid ref TL392249)
B1368, Hay Street, Hertfordshire (Grid ref TL392267)
B1502, Stanstead Road, Hertfordshire (Grid ref TL360122)
B1502, Stanstead Road, Hertfordshire (Grid ref TL365117)
B158, Bengeo Street, Hertfordshire (Grid ref TL323134)
B158, Cumcum Hill, Hertfordshire (Grid ref TL271069)
B158, Lower Hatfield Road, Hertfordshire (Grid ref TL298095)
B158, High Road, Hertfordshire (Grid ref TL274083)
B176, High Road Turnford, Hertfordshire (Grid ref TL365043)
B195, Bridge Road, Hertfordshire (Grid ref TL239131)
B195, Welwyn Garden City, Hertfordshire (Grid ref TL252131)
B195, Black Fan Road, Hertfordshire (Grid ref TL262120)
B197, London Road, Hertfordshire (Grid ref TL252199)
B197, Great North Road, Hertfordshire (Grid ref TL223116)
B197, London Road, Hertfordshire (Grid ref TL253186)
B197, London Road, Hertfordshire (Grid ref TL243223)
B197, London Road, Hertfordshire (Grid ref TL241226)
B198, Lieutenant Ellis Way, Hertfordshire (Grid ref TL342014)
B462, Aldenham Road, Hertfordshire (Grid ref TQ126964)
B487, Hertfordshire (Grid ref TL102115)
B5378, Cowley Hill, Hertfordshire (Grid ref TQ197982)
B556, Harper Lane, Hertfordshire (Grid ref TL174023)
B556, Bell Lane, Hertfordshire (Grid ref TL181027)
B6426, Cavendish Way, Hertfordshire (Grid ref TL221084)
B651, Hertfordshire (Grid ref TL194225)
B651, Hertfordshire (Grid ref TL176194)
B651, Hitchin Road, Hertfordshire (Grid ref TL188209)
B652, Station Road, Hertfordshire (Grid ref TL143147)
B653, Hertfordshire (Grid ref TL203132)
B655, Hexton Road, Hertfordshire (Grid ref TL145299)
B655, Barton Road, Hertfordshire (Grid ref TL112301)
B656, Church Street, Hertfordshire (Grid ref TL233164)
B656, London Road, Hertfordshire (Grid ref TL194267)
C, Nettleden Road, Hertfordshire (Grid ref TL013107)
C, Mundew Road, Hertfordshire (Grid ref TL332213)
C, Clarence Road, Hertfordshire (Grid ref TL130150)
C, Dundale Road, Hertfordshire (Grid ref SP920120)
C, Tring Road, Hertfordshire (Grid ref SP887165)
C, Ashwell Road, Hertfordshire (Grid ref TL256349)
C, London Road, Hertfordshire (Grid ref TQ194999)
C, Aldenham Road, Hertfordshire (Grid ref TQ165965)
C, Codicote Road, Hertfordshire (Grid ref TL208161)
C, Marshalswick Lane, Hertfordshire (Grid ref TL168082)
C, Nettleden Road, Hertfordshire (Grid ref TL031101)
C, Cold Green, Hertfordshire (Grid ref TL283112)
C, Cow Lane, Hertfordshire (Grid ref SP938115)
C, Blindman's Lane, Hertfordshire (Grid ref TL356025)
C, Peascroft Road, Hertfordshire (Grid ref TL074061)
C, Hertfordshire (Grid ref TL143208)
C, Beaconsfield Road, Hertfordshire (Grid ref TL231089)
C, Waterdell Lane, Hertfordshire (Grid ref TL191269)
C, Blue Bridge Road, Hertfordshire (Grid ref TL244033)
C, Coursers Road, Hertfordshire (Grid ref TL201046)
C, Sale Drive, Hertfordshire (Grid ref TL252342)
C, Willian Road, Hertfordshire (Grid ref TL215304)
C, Wood End Lane, Hertfordshire (Grid ref TL066136)
C, Wilbury Road, Hertfordshire (Grid ref TL215336)
C, Bell Lane, Hertfordshire (Grid ref TL365066)
C, St Michaels Road, Hertfordshire (Grid ref TL200291)
C, Hoddesdon Road, Hertfordshire (Grid ref TL380117)
C, Knight Street, Hertfordshire (Grid ref TL483148)
C, Frogmore Hill, Hertfordshire (Grid ref TL284214)
C, Tom's Lane, Hertfordshire (Grid ref TL096035)
C, Hertfordshire (Grid ref TL245305)
C, Hollybush Lane, Hertfordshire (Grid ref TL131151)
C, Wallington Road, Hertfordshire (Grid ref TL277342)
C, Stansted Hill, Hertfordshire (Grid ref TL431184)
C, Hertfordshire (Grid ref TL440278)
C, Miswell Lane, Hertfordshire (Grid ref SP914116)
C, Sheepcot Lane, Hertfordshire (Grid ref TQ111999)
C, Redricks Lane, Hertfordshire (Grid ref TL459129)
C, Radlett Road, Hertfordshire (Grid ref TQ117978)
C, Station Road, Hertfordshire (Grid ref TL297192)
C, N/a, Hertfordshire (Grid ref TL370216)
C, Ashwell Rd, Hertfordshire (Grid ref TL267383)
C, Burton Lane, Hertfordshire (Grid ref TL330033)
C, Tring Ford Road, Hertfordshire (Grid ref SP922132)
C, Buncefield Lane, Hertfordshire (Grid ref TL086076)
C, Munden Road, Hertfordshire (Grid ref TL359242)
C, Lower Road, Hertfordshire (Grid ref TQ026959)
C, Limbrick Road, Hertfordshire (Grid ref TL141125)
C, Munden Road, Hertfordshire (Grid ref TL347229)
C, Roundwood Lane, Hertfordshire (Grid ref TL113149)
C, Stag Lane, Hertfordshire (Grid ref TQ024952)
C109, Willbury Hills Road, Hertfordshire (Grid ref TL202330)
C127, Bennetts End Road, Hertfordshire (Grid ref TL069066)
C132, Royal Oak Lane, Hertfordshire (Grid ref TL150320)
C15, Albury Road, Hertfordshire (Grid ref TL439255)
C16, Brickendon Lane, Hertfordshire (Grid ref TL327101)
C174, Colney Heath Lane, Hertfordshire (Grid ref TL180069)
C43, Stanstead Road, Hertfordshire (Grid ref TL377101)
C70, Toms Hill Road, Hertfordshire (Grid ref SP967123)
C74, Sarratt Road, Hertfordshire (Grid ref TQ051980)
C77, Hill Farm Avenue, Hertfordshire (Grid ref TL101009)
M1 between J5 and J6, Hertfordshire (Grid ref TL123002)
M1 between J7 and J8, Hertfordshire (Grid ref TL097070)
M1 between LA boundary and J5, Hertfordshire (Grid ref TQ147961)
M1 between J9 and Hertfordshire boundary, Hertfordshire (Grid ref TL091153)
M1 between J6A and J7, Hertfordshire (Grid ref TL112046)
M1 between J8 and J9, Hertfordshire (Grid ref TL097105)
M1 between J6 and J6A, Hertfordshire (Grid ref TL118024)
M1 between A414 and M1 (8), Hertfordshire (Grid ref TL091076)
M1 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL091146)
M1 between M1 (midpoint) and A5183, Hertfordshire (Grid ref TL092146)
M10 between M1(7) and J1, Hertfordshire (Grid ref TL142051)
M25 between J23 and J22, Hertfordshire (Grid ref TL217011)
M25 between J17 and J18, Hertfordshire (Grid ref TQ038950)
M25 between J20 and J21, Hertfordshire (Grid ref TL100029)
M25 between J18 and J19, Hertfordshire (Grid ref TQ050980)
M25 between J21A and J21, Hertfordshire (Grid ref TL125031)
M25 between J21A and J22, Hertfordshire (Grid ref TL162027)
M25 between J23 and J24, Hertfordshire (Grid ref TL249000)
M25 between J19 and J20, Hertfordshire (Grid ref TL074000)
M25 between J19 and A41, Hertfordshire (Grid ref TQ080993)
M25 between Hertfordshire boundary and J17, Hertfordshire (Grid ref TQ023929)
M25 between J24 and Hertfordshire boundary, Hertfordshire (Grid ref TL269003)
U, Sandfield Road, Hertfordshire (Grid ref TL162073)
U, Barton Way, Hertfordshire (Grid ref TQ190972)
U, Flaunden Lane, Hertfordshire (Grid ref TL023008)
U, Astons Road, Hertfordshire (Grid ref TQ082925)
U, Dukes Ride, Hertfordshire (Grid ref TL470215)
U, Hertford Road, Hertfordshire (Grid ref TL261212)
U, Little Bushy Lane, Hertfordshire (Grid ref TQ142964)
U, The Ridgeway, Hertfordshire (Grid ref TL307134)
U, Courtlands Drive, Hertfordshire (Grid ref TQ093990)
U, Rowans, Hertfordshire (Grid ref TL253140)
U, Danebridge Road, Hertfordshire (Grid ref TL437190)
U, Mill Way, Hertfordshire (Grid ref TQ121973)
U, Garston Lane, Hertfordshire (Grid ref TL120000)
U, New Road, Hertfordshire (Grid ref TL371075)
U, West Common Way, Hertfordshire (Grid ref TL134124)
U, Tilehouse Street, Hertfordshire (Grid ref TL183289)
U, Applecroft Road, Hertfordshire (Grid ref TL229125)
U, Swanley Bar Lane, Hertfordshire (Grid ref TL261031)
U, Woolners Way, Hertfordshire (Grid ref TL232247)
U, Jessop Road, Hertfordshire (Grid ref TL250259)
U, Moorlands, Hertfordshire (Grid ref TL252112)
U, Hertfordshire (Grid ref TL257234)
U, Bishop's Stortford, Hertfordshire (Grid ref TL478195)
U, Homefield Road, Hertfordshire (Grid ref TQ132960)
U, Tilehouse Street, Hertfordshire (Grid ref TL183289)
U, Gallows Hill, Hertfordshire (Grid ref TL082014)
U, Shepherd's Lane, Hertfordshire (Grid ref TQ038945)
U, Baldwins Lane, Hertfordshire (Grid ref TQ077960)
U, Tolmers Road, Hertfordshire (Grid ref TL305030)
U, Eastern Way, Hertfordshire (Grid ref TL221339)
U, Travellers Lane, Hertfordshire (Grid ref TL225069)
U, Penn Way, Hertfordshire (Grid ref TL230311)
U, Ridgeway, Hertfordshire (Grid ref TL254127)
U, Hayling Road, Hertfordshire (Grid ref TQ104935)
U, London Road, Hertfordshire (Grid ref TL367285)
U, Sandringham Crescent, Hertfordshire (Grid ref TL175092)
U, Gresley Way, Hertfordshire (Grid ref TL269255)
U, Warners End Road, Hertfordshire (Grid ref TL045075)
U, Broadwater Crescent, Hertfordshire (Grid ref TL248224)
U, Villiers-sur-marne Avenue, Hertfordshire (Grid ref TL479203)
U, Chace Avenue, Hertfordshire (Grid ref TL266013)
U, King Harry Lane, Hertfordshire (Grid ref TL136064)
U, Brook Road, Hertfordshire (Grid ref TL480143)
U, Longfield Lane, Hertfordshire (Grid ref TL344035)
U, Bridgewater Road, Hertfordshire (Grid ref SP988085)
U, Station Road, Hertfordshire (Grid ref TL240042)
U, Grove Road, Hertfordshire (Grid ref TL144133)
U, High Street, Hertfordshire (Grid ref TL177043)
U, Fairview Road, Hertfordshire (Grid ref TL230245)
U, Six Hills Way, Hertfordshire (Grid ref TL246238)
U, St Michaels Road, Hertfordshire (Grid ref TL196296)
U, High Street, Hertfordshire (Grid ref TL013038)
U, Fletcher Way, Hertfordshire (Grid ref TL063084)
U, New Road, Hertfordshire (Grid ref TL360146)
U, Trinity Lane, Hertfordshire (Grid ref TL360010)
U, Burns Road, Hertfordshire (Grid ref TL354418)
U, Bridge Street, Hertfordshire (Grid ref TL184288)
U, Williams Way, Hertfordshire (Grid ref TQ169999)
U, Faraday Road, Hertfordshire (Grid ref TL258245)
U, Blackettswood Drive, Hertfordshire (Grid ref TQ019960)
U, Mercers Avenue, Hertfordshire (Grid ref TL470199)
U, Haggerston Road, Hertfordshire (Grid ref TQ183981)
U, Jackman's Place, Hertfordshire (Grid ref TL228324)
U, Quinn Way, Hertfordshire (Grid ref TL232322)
U, Arlington Crescent, Hertfordshire (Grid ref TL361000)
U, Beesonend Lane, Hertfordshire (Grid ref TL135118)
U, The Carpenters, Hertfordshire (Grid ref TL470202)
U, Steward Close, Hertfordshire (Grid ref TL362020)
U, Stake Piece Road, Hertfordshire (Grid ref TL352403)
U, Lauderdale Road, Hertfordshire (Grid ref TL084008)
U, Uxbridge Road, Hertfordshire (Grid ref TQ050941)
U, Ashdown Drive, Hertfordshire (Grid ref TQ185971)
U, Chancellors Road, Hertfordshire (Grid ref TL234264)
U, Landau Way, Hertfordshire (Grid ref TL367044)
U, Windsor Way, Hertfordshire (Grid ref TQ044944)
U, Newberries Avenue, Hertfordshire (Grid ref TQ171996)
U, Oliver Rise, Hertfordshire (Grid ref TL064053)
U, The Cloisters, Hertfordshire (Grid ref TQ061945)
U, Highwoodhall Lane, Hertfordshire (Grid ref TL074047)
U, Pacatian Way, Hertfordshire (Grid ref TL264258)
U, Brookfield Gardens, Hertfordshire (Grid ref TL359036)
U, Pindar Road, Hertfordshire (Grid ref TL384092)
U, Deerswood Avenue, Hertfordshire (Grid ref TL227074)
U, Himalayan Way, Hertfordshire (Grid ref TQ099954)
U, Beechfield, Hertfordshire (Grid ref TL373107)
U, Mornington, Hertfordshire (Grid ref TL252157)
U, Pickford Hill, Hertfordshire (Grid ref TL147156)
U, Batchwood Gardens, Hertfordshire (Grid ref TL149087)
U, Northfield Road, Hertfordshire (Grid ref TL142157)
U, Higgins Road, Hertfordshire (Grid ref TL329040)
U, Coleridge Close, Hertfordshire (Grid ref TL197295)
U, Turners Hill, Hertfordshire (Grid ref TL062070)
U, Middle Way, Hertfordshire (Grid ref TQ105987)
U, St James Road, Hertfordshire (Grid ref TQ108959)
U, School Lane, Hertfordshire (Grid ref TL133010)
U, Harcourt Road, Hertfordshire (Grid ref TQ140960)
U, Reeds Crescent, Hertfordshire (Grid ref TQ112973)
U, Dulwich Way, Hertfordshire (Grid ref TQ073959)
U, Icknield Walk, Hertfordshire (Grid ref TL364412)
U, Ellenborough Close, Hertfordshire (Grid ref TL477202)
U, Durham Road, Hertfordshire (Grid ref TL251264)
U, Hall Gardens, Hertfordshire (Grid ref TL209057)
U, The Mount, Hertfordshire (Grid ref TQ053949)
U, The Hedgerows, Hertfordshire (Grid ref TL266255)
U, Honeycross Road, Hertfordshire (Grid ref TL032068)
U, Stroma Close, Hertfordshire (Grid ref TL081060)
U, Waterhouse Street, Hertfordshire (Grid ref TL054067)
U, Station Approach, Hertfordshire (Grid ref TL365003)
U, Redwood Rise, Hertfordshire (Grid ref TQ195985)
U, St Michael's Street, Hertfordshire (Grid ref TL136073)
U, Gladstone Road, Hertfordshire (Grid ref TL336216)
U, Town Farm Crescent, Hertfordshire (Grid ref TL397225)
U, Muirhead Way, Hertfordshire (Grid ref TL246200)
U, Grange Road, Hertfordshire (Grid ref TQ126958)
U, Nightingale Lane, Hertfordshire (Grid ref TL174050)
U, Battlefield Road, Hertfordshire (Grid ref TL157082)
U, St Vincent Drive, Hertfordshire (Grid ref TL165061)
U, Dove Close, Hertfordshire (Grid ref TL482193)
U, Ashridge Drive, Hertfordshire (Grid ref TQ113924)
U, Moatfield Road, Hertfordshire (Grid ref TQ137957)
U, Byron Close, Hertfordshire (Grid ref TL261254)
U, Waytemore Road, Hertfordshire (Grid ref TL482206)
U, Hobletts Road, Hertfordshire (Grid ref TL069078)
U, Grange Road, Hertfordshire (Grid ref TL217338)
U, Kenilworth Drive, Hertfordshire (Grid ref TQ203965)
U, Spring View Road, Hertfordshire (Grid ref TL352137)
U, Westfield Avenue, Hertfordshire (Grid ref TQ117982)
U, Fallowfield, Hertfordshire (Grid ref TL247143)
U, Concorde Drive, Hertfordshire (Grid ref TL059073)
U, St Margarets, Hertfordshire (Grid ref TL246226)
U, Rumsley, Hertfordshire (Grid ref TL342038)
U, Fuller Gardens, Hertfordshire (Grid ref TQ107988)
U, Thorley Lane, Hertfordshire (Grid ref TL485193)
U, Grimstone Road, Hertfordshire (Grid ref TL212276)
U, School Lane, Hertfordshire (Grid ref TL276086)
U, Gun Road Gardens, Hertfordshire (Grid ref TL249196)
U, Bernhardt Crescent, Hertfordshire (Grid ref TL261249)
U, Hertfordshire (Grid ref TL249331)
U, Twyford Bury Lane, Hertfordshire (Grid ref TL493196)
U, Hertfordshire (Grid ref TL250254)
U, Barbers Walk, Hertfordshire (Grid ref SP917111)
U, Shenley Lane, Hertfordshire (Grid ref TL173037)
U, Porters Hill, Hertfordshire (Grid ref TL143155)
U, Dell Road, Hertfordshire (Grid ref TQ102988)
U, Daniells, Hertfordshire (Grid ref TL252131)
U, Denham Way, Hertfordshire (Grid ref TQ203978)
U, Old Harpenden Road, Hertfordshire (Grid ref TL150088)
U, Hazelbury Avenue, Hertfordshire (Grid ref TL084013)
U, Sandringham Crescent, Hertfordshire (Grid ref TL171096)
U, Parsonage Lane, Hertfordshire (Grid ref TL478166)
U, Pickford Road, Hertfordshire (Grid ref TL059161)
U, North Common Road, Hertfordshire (Grid ref TL101118)
U, The Comyns, Hertfordshire (Grid ref TQ144943)
U, The Paddocks, Hertfordshire (Grid ref TL257237)
U, Maylands Road, Hertfordshire (Grid ref TQ112929)
U, Caldwell Road, Hertfordshire (Grid ref TQ119926)
U, Howardsgate, Hertfordshire (Grid ref TL236130)
U, Park Road, Hertfordshire (Grid ref TL347145)
U, The Fairway, Hertfordshire (Grid ref TQ092927)
U, Cavendish Road, Hertfordshire (Grid ref TL058165)
U, Mill Road, Hertfordshire (Grid ref TL329128)
U, Park Road, Hertfordshire (Grid ref TQ103976)
U, The Campions, Hertfordshire (Grid ref TQ190982)
U, Hazelwood Lane, Hertfordshire (Grid ref TL085011)
U, Newtown Road, Hertfordshire (Grid ref TL486209)
U, Beaumont Avenue, Hertfordshire (Grid ref TL169074)