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(From Wikipedia, the free Encyclopedia)
Starting at the Blackwall Tunnel, it heads north, then north east via Leyton, Ilford and Romford, then into Essex, passing Brentwood, Ingatestone, Chelmsford, Witham and Colchester. In Suffolk, it passes Ipswich, Woodbridge and Saxmundham, then runs through Lowestoft before terminating in Great Yarmouth.
Source: the above text is adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "A12 road."
Copyright © Philip M. Parker, INSEAD. Terms of Use.