- A1081 between J10 and J10A off ramp, Central Bedfordshire (Grid ref HQ090877)
- A1081 between M1 junction 10a northern roundabout and LA boundary on bridge, Luton (Grid ref TL090190)
- A1081 between M1 junction 10a southern roundabout and LA boundary on bridge, Central Bedfordshire (Grid ref TL091188)
- A1081 between M1 junction 10a Northern roundabout and on slip heading to M1, Luton (Grid ref TL091190)
- A1081 between M1 junction 10a off slip and M1 junction 10a on slip, Central Bedfordshire (Grid ref TL091189)
- A1081 between M1 junction 10a southern roundabout and on slip heading to M1, Central Bedfordshire (Grid ref TL091189)
- A1081 between M1 junction 10a Northern roundabout and on slip heading away from M1, Luton (Grid ref TL091190)
- A1081 between M1 junction 10a southern roundabout and on slip heading away from M1, Central Bedfordshire (Grid ref TL092189)
- A1081 between LA boundary and M1, Central Bedfordshire (Grid ref TL093183)
- A1081 between LA boundary and M1 junction 10a southern roundabout, Central Bedfordshire (Grid ref TL093183)
- A1081 between M1 junction 10a and LA boundary, Central Bedfordshire (Grid ref TL094191)
- A1081 between M1 and LA boundary, Central Bedfordshire (Grid ref TL094191)
- A1081 between The Common, Harpenden and Hertfordshire boundary, Hertfordshire (Grid ref TL100169)
- A1081 between LA boundary and A505, Luton (Grid ref TL102201)
- A1081 between A505 and Airport, Luton (Grid ref TL111207)
- A1081 between A505 and Airport, Luton (Grid ref TL112206)
- A1081 between A505 and Airport, Luton (Grid ref TL114209)
- A1081 between A505 and Airport, Luton (Grid ref TL115209)
- A1081 between Roundabout A505 and A1081 and Airport, Luton (Grid ref TL118210)
- A1081 between B653 and The Common, Hertfordshire (Grid ref TL129150)
- A1081 between B487 and B653, Hertfordshire (Grid ref TL136136)
- A1081 between Beesonend Lane and B487, Hertfordshire (Grid ref TL137125)
- 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 A4147 and B651, Hertfordshire (Grid ref TL150077)
- A1081 between Sandridgebury Lane and B651 Stonecross, Hertfordshire (Grid ref TL150084)
- A1081 between A414 and A5183, Hertfordshire (Grid ref TL160061)
- A1081 between M25 Jct 22 and A414, Hertfordshire (Grid ref TL185040)
- A1081 between B556 W and M25 (midpoint), Hertfordshire (Grid ref TL190032)
- A1081 between LA boundary and M25, Hertfordshire (Grid ref TQ240976)
- A1081 between Sunset View and Barnet boundary, Barnet (Grid ref TQ241974)
- A1081 between A1000 and Sunset View, Barnet (Grid ref TQ243970)