Major changes occurred to London Country services in the Grays area on 3rd April 1976.
Routes 329, 357, 370A, 371A and 371B were withdrawn (London Country had a policy of eliminating suffix letters from route
numbers at this time) and new routes 324 & 399 were introduced. Route 323 replaced all of route 370’s journeys to Chadwell St
Mary, new route 324 replaced route 370A and the 399 served roads which had never had a bus service.
Route 399 had two loops and was billed as a ‘town service’; the ‘Northern loop’ ran from Derby Road and went via Hathaway
Road, Lenthall Avenue, Hogg Lane, Crammavill Street, Long Lane, Laird Avenue, Rectory Road and back to Derby Road. The
‘Southern loop’ ran from Derby Road via Bridge Road, Argent Street and back to Derby Road. The ‘Southern loop’ was poorly
used and was withdrawn after seven months, being replaced by a second Northern loop from Derby Road to Stifford Clays via