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The Project Control Framework
This framework sets out how we, together with the Department for Transport, manage and deliver major road improvement projects.
The proposed option
For ease of explanation the Improvement can be divided into three parts:
- a predominantly on-line improvement from Fiveways Roundabout to west of Elveden
- a northern bypass of Elveden
- an on-line improvement from east of Elveden to the Thetford Bypass
On-line west of Elveden: The improvement would start to the east of Fiveways Roundabout and would follow the line of the existing road, running east to cross the Cut Off Channel. It would then move to the north of the line of the existing road to pass through Mildenhall Woods in cutting up to 5 metres deep. It would then return to the existing line before continuing across open agricultural land beyond Mildenhall Woods.
The unclassified road connecting the A11 to the A1065 through Mildenhall Woods would be diverted to join the B1112 and would not directly access the new dual carriageway. The B1112 would cross over the widened A11 on a bridge where slip roads would connect the two roads. The alignment would continue past How Hill Tumulus, again generally following the line of the existing road.
It would then continue on a relatively flat and straight alignment for the next 5 kilometres, passing between Weather and Horn Heaths and past the war memorial Monument to a point near Chalk Hall Farm. A new bridge, with no access to the dual carriageway, would be provided for Elveden Farms, to the west of the Heaths.
Elveden Bypass: At Chalk Hall Farm, the alignment would move away from the existing road to pass around the north of the Elveden Village playing fields. A new bridge would connect the Chalk Hall Farm complex with the existing A11 road through Elveden, which would become an access road. South of the Center Parcs entrance, the A11 would pass underneath the B1106 and slip roads would be provided to connect the two roads. The alignment would continue across open fields around the north of Redneck Farm to rejoin the existing A11 to the east of Elveden Gap cottages.
On-line east of Elveden:From Elveden Gap cottages, the alignment would continue on the line of the existing road to join the Thetford Roundabout at the end of the scheme.
A new roundabout near Elveden Gap cottages would provide access to the existing A11 east of the village, to Elveden Gap cottages and to the C633 for southbound lorries.
New accesses to forestry land southwest of the Thetford roundabout and to the MOD firing range to the north of the A11 would be provided from the Thetford Roundabout.
The proposed option would
- be 14.3 kilometres (8.9 miles) long and would cost an estimated £33 million
- require 42 hectares of agricultural land and 23 hectares of woodland
- provide a bypass of Elveden
- use the existing trunk road as one carriageway where possible
