Many learner drivers have failed their driving test for failing to recognise the national speed limit sign, and were therefore driving too slow for the road they where on, and the DSA driving examiner failed them for not making progress.
In this video shot on the A1 dual carriageway between Apex Corner and Stirling Corner a road that is used by both the Mill Hill and Hendon driving test centre routes, I show you where this happens, but wonder why because there are adequate signs posted.
You must obey road signs and markings during your UK driving test otherwise you could fail your practical car assessment for being too slow. The main danger is that other vehicles are forced to overtake you un-necessarilly.
Focus Media's Driving Test simulator for the PC, a virtual driving test simulator based on the DSA driving test.
New Camden 20mph speed limits.