Rotherhithe Tunnel. Warning.
1. Always use Tunnel Approach when you enter or exit Rotherhithe Tunnel. Bellow are 2 examples, the green route is correct and the red route is wrong. The Highway is ground level and the tunnel is underground indicated by the staggerd road markings. Getting this wrong, you will lose the marks for the whole journey.
2. Always turn into Branch Road to enter Rotherhithe Tunnel from Commercial Road.