Colchester is a city in England.
A12 down to London, roundabout past Lexden.
Most people on that round are going as far as M25,
so I wouldn't reccommend taking lifts to Brentwood.
A12 up from M25
Nomadwiki & Trashwiki
Check Nomadwiki for info on accommodation, showers etc. or Trashwiki for dumpsters...and share your wisdom :)