On United Kingdom roads, the term red route may refer to a stretch of road with painted red lines signifying that vehicles cannot stop there, or to a road which has historically high accident rates.
The A312 Uxbridge road marked with double red lines
Double red lines on Westminster Bridge
Transport for London (TfL) is a local government body responsible for most of the transport network in London, United Kingdom.
The Palestra building, home to TfL's Surface Transport and Traffic Operations Centre (STTOC)