Awarded
A350 Chippenham Duelling Scheme April 2023
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Descriptions
The A350 is one of the most important routes in Wiltshire. It is a primary north-south route with regional significance connecting the south coast with the M4 and onwards to Bristol and the Midlands. In Wiltshire it passes around the principal settlements of Chippenham and Trowbridge via the town of Melksham and on to Westbury and Warminster. It has been a longstanding priority to improve north-south connectivity along the A350, and Wiltshire Council has been progressively bringing forward the dualling of the A350 Chippenham bypass. Over recent years three major capital schemes (Phases 1, 2 and 3) have been brought forward to improve capacity and safety on the route, largely funded through successful Department for Transport (DfT) and/or Local Enterprise Partnerships (LEP) funding bids. Most recently, an Outline Business Case (OBC) bid was made to DfT for funding to bring forward a scheme to complete the dualling of the A350 bypass at Chippenham. In the spending review in October 2021 the government announced that it would allocate funds for a scheme to dual the remaining single carriageway sections of the A350 route round Chippenham. The project was also included within the list of forthcoming infrastructure projects as part of The Growth Plan 2022 published in September 2022. Wiltshire Council and its consultants Atkins are now pressing forward to complete the design of the remaining Phases 4 and 5 of the scheme, and preparing the Full Business Case (FBC). Subject to the FBC being approved by the DfT, it is anticipated that construction works will be undertaken during 2024 and 2025. The scheme is likely to include for the following key elements Phase 4 dualling, widening the A350 over a total distance of some 1.5km to dual 2-lane between Chequers roundabout and Lackham roundabout. The dualling would take place within the existing wide highway verge to the west of the current carriageway. Phase 5 dualling: widening the A350 over a total distance of some 1.75km to dual 2-lane between Cepen Park South roundabout and Bumpers Farm roundabout. Again, the dualling would take place within the existing wide highway verge to the west of the current carriageway. When implemented with Phase 4, this would extend the dualling to cover the full stretch of the A350 Chippenham Bypass. Bumpers Farm Roundabout capacity enhancements: increasing the circulatory from 2 lanes to 3; signalising 4 approach arms; increasing approach arms from A350 (S), A420 (W), A350 (N) and A420 (E) to 3 lanes; and dualling the exits onto the A420 (E) and A420 (W) and Lackham roundabout capacity enhancements: dualling the exit to the A350 north as part of the phase 4 works. The works will be designed and built-in accordance with current standards and guidelines and will include for all key aspects of highway construction.
Timeline
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Tender Regions
CPV Codes
45233120 - Road construction works
45233121 - Main road construction works
45233280 - Erection of road-barriers
45233100 - Construction work for highways, roads
45233221 - Road-surface painting work
45233122 - Ring road construction work
45233310 - Foundation work for highways
45233124 - Trunk road construction work
45233130 - Construction work for highways
45233224 - Dual carriageway construction work
45233290 - Installation of road signs
45233293 - Installation of street furniture
45233128 - Roundabout construction work
45233210 - Surface work for highways
45233300 - Foundation work for highways, roads, streets and footpaths
Keywords
road base works
beltway build
asphalt roadwork
bus stop fitting
trunk road build
roundabout build
roadway build
highway building
benches mounting
lane marking
highway striping
road marking
urban fixtures
expressway build
dual carriageway paving
traffic line painting
street construction
ring highway works
urban street build
road marking signage
main road pathway build
orbital road development
roadside barrier works
motorway corridor build
subgrade preparation
highway construction
urban bypass pavement
expressway erection
primary road build
multi-lane highway works
carriageway base layer
motorway surfacing
highway corridor works
highway sign setup
traffic signage fitting
foundation construction
highway foundation works
road sign installation
street sign placement
rural road construction
carriageway building
expressway substructure
primary roadway paving
crash barrier setup
highway groundworks
highway surfacing
regional road project
highway footing works
road surface painting
pavement foundation
highway ramp build
ring road construction
safety barrier erection
expressway paving
main road construction
two lane road surfacing
major route construction
guardrail fitting
road pavement works
trunk route pavement
rotary junction build
trunk carriageway build
trunk road construction
urban furniture fitting
roadbed foundation
litter bin placement
traffic sign erection
road construction
residential road works
road roundabout erection
bypass highway construction
road network installation
central traffic route construction
street bench installation
motorway base construction
road barrier installation
regulatory sign placement
circumferential road build
street foundation installation
transport corridor construction
main logistics road build
rotary junction infrastructure
arterial road installation
main thoroughfare construction
primary highway infrastructure
national highway construction
intersection roundabout paving
divided highway surface construction
circular intersection construction
arterial trunk carriageway build
transport highway construction
interregional road erection
public seating installation
infrastructure groundwork
national route development
peripheral motorway build
traffic-calming circle build
intercity road construction
city perimeter road erection
crash protection barriers
street furniture installation
outer ringway infrastructure
controlled-access highway erection
roadway infrastructure build
landscaped roundabout build
road overlay for highways
traffic circle construction
directional sign mounting
gyratory roundabout works
highway barrier installation
intercity road development
road-based transport corridor build
civil road infrastructure
dual carriageway surfacing
arterial road infrastructure
freeway infrastructure works
vehicle restraint systems
bituminous highway surface treatment
vehicular corridor construction
Workflows
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