Transport for London (TfL) recently announced that the speed limit on the A1 Barnet Bypass between Rowley Lane and Courtland Road will be cut from 70mph to 50mph later this summer.

The Metropolitan Police fully supports this move and its officers have highlighted narrow lane width, the loss-of-control risk posed by the central reservation curb and the lack of a hard shoulder in case of emergencies as key reasons for cutting the speed limit. Reducing the speed limit by just one mile per hour leads to four per cent fewer collisions as drivers have more time to identify what is happening around them and take action.

I welcome this sensible measure and have written to TfL bosses to urge them to look into similar changes across London to make our roads safer for all.

Darren Johnson

AM Green Party London Assembly