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A414 between A41 and A4251, Hertfordshire (Grid ref TL052054) A414 between A4251 and A4146, Hertfordshire (Grid ref TL054060) A414 between A4146 and A4147, Hertfordshire (Grid ref TL060066) A414 between A4147 and M1, Hertfordshire (Grid ref TL088075) A414 between A414 and M1 (8), Hertfordshire (Grid ref TL091076) A414 between J7 and J8, Hertfordshire (Grid ref TL095071) A414 between M1 Junction 7 and Roundabout A414, A5183 and A405, Hertfordshire (Grid ref TL142051) A414 between M10 and A1081, Hertfordshire (Grid ref TL150048) A414 between A1081 and A1(M), Hertfordshire (Grid ref TL203067) A414 between A1M / A1001 / A6129 and A1000 (midpoint), Hertfordshire (Grid ref TL229102) A414 between A1000 (midpoint) and A1000 Mill Green Lane, Hertfordshire (Grid ref TL240097) A414 between A1000 Mill Green Lane and B1455 Holwell Lane, Hertfordshire (Grid ref TL249100) A414 between B1455 and Campfield Rd, Hertford, Hertfordshire (Grid ref TL300119) A414 between Campfield Rd and A119, Hertfordshire (Grid ref TL318124) A414 between A119 Cross Lane and A119 Ware Rd, Hertfordshire (Grid ref TL323124) A414 between A119 and B1197 London Rd/John Tate Rd roundabout, Hertfordshire (Grid ref TL333124) A414 between B1197 London Rd and A10, Hertfordshire (Grid ref TL340124) A414 between A1170 and Eastwick Rd roundabout, Hertfordshire (Grid ref TL433114) A414 between A1170 and Eastwick Rd roundabout, Hertfordshire (Grid ref TL433114) A414 between Eastwick Rd roundabout and Hertfordshire boundary, Hertfordshire (Grid ref TL442116) A414 between Essex boundary and A1169, Essex (Grid ref TL443112) A414 between A1169 and A1184, Essex (Grid ref TL449111) A414 between A1025 and N/A (roundabout), Essex (Grid ref TL468096) A414 between B183 First Avenue Mandela Avenue and A1184, Essex (Grid ref TL468115) A414 between A1025 and A1169, Essex (Grid ref TL469090) A414 between N/A (roundabout) and B183 First Avenue Mandela Avenue, Essex (Grid ref TL469106) A414 between A1169 and M11, Essex (Grid ref TL474076) A414 between M11 and B181, Essex (Grid ref TL498056) A414 between B181 and A128, Essex (Grid ref TL546039) A414 between A128 and A1114, Essex (Grid ref TL600039) A414 between A12 and A1114, Essex (Grid ref TL694050) A414 between A12 and B1018 Heybridge Approach, Essex (Grid ref TL800051) A414 between A12B1018 Heybridge Approach and B1018 The Causeway, Essex (Grid ref TL850078)