Area Description: The Area 5 network consists of the M25 and the A282 Dartford — Thurrock River Crossing, the trunk roads between the M25 and the Greater London Authority (GLA) boundary and the motorway routes into London (excluding the M40). Area 5 is located in Berkshire, Buckinghamshire, Essex, Hertford-shire, Kent and Surrey.
A full list of the motorways and trunk roads in Area 5
is provided below. In general these routes are
managed by the Highways Agency as far as their
border with the GLA at which point Transport for
London takes over responsibility. The exceptions are
the A3113 Airport way and the M1, M4 and M11