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New Bypass

A21 Lamberhurst Bypass

Description of the new Bypass

The Bypass starts to the north of the village at the junction of the existing A21 and the A262, Goudhurst Road. The existing single carriageway A262 has been widened for a distance of 500 metres between this junction and that of the A262 and the B2162, Horsmonden Road, where a new roundabout has been constructed.

From the new roundabout the dual carriageway Bypass heads south in a gentle curve skirting the golf course to the east of the village, crossing the River Teise valley. The gradient of the Bypass falls sharply on the approach to the River where a new bridge has been constructed across a diverted section of the river.

Map

After crossing the river the Bypass continues southwards passing under a new bridge, provided to maintain access to farm fields and a residential property at Pierce Barn, before rising up Spray Hill through a cutting up to 16 metres at its deepest. Through the cutting the Bypass is aligned to minimise the effect of a notch on the skyline when viewed from St Mary's Church and the village. Passing under the land bridge just beyond the crest of Spray Hill, the Bypass rejoins the existing A21 at a new roundabout some 200 metres south of the entrance to Scotney Castle.

New combined footways and cycleways have been provided alongside the widened section of the A262 and adjacent to both roundabouts. The numerous public footpaths that cross the river valley have been diverted under or over the new bridges and new paths have been constructed to link otherwise severed footpaths. The old A21 from its junction with the A262 to Grantham Hall Farm will be closed to traffic shortly after the Bypass is open and a new bridleway will be provided along this length.

CONTRACT STATISTICS
Length of schemeSingle carriageway - 0.7km (about ½ mile)
Dual carriageway - 2.5km (about 1 ½ miles)
Excavated material331,718 m3 - (283,261m3 re-used in the works)
Volume of structural concrete2,917 m3
Tonnage of steel reinforcement655 tonnes
Tonnage of structural steelwork12 tonnes
Area of carriageway surfacing59,000 m2
Area of footpath / cycleway / bridleways2250 m2
Number of trees to be plantedAbout 50,000