A-road lane allocation sign
A green sign showing the left lane exiting and the other two lanes continuing ahead, and the following text.
Left lane destinations: (M1); Watford; Stansted [Airport symbol]; Potters Bar; (M25) [Hollow square diversion symbol] [Solid diamond diversion symbol]; South Mimms; Non-m'way; traffic .
Right-hand two lanes destinations: The NORTH; Hatfield; A1(M) [Motorway symbol] Junction 1.
Junction name: BIGNELL'S CORNER.
Change Route: M25 Watford & Stansted
This junction is sometimes better known as South Mimms, since the motorway service area of the same name is located here. You can exit here for the M25, or stay with the A1 if you're bound for the north.