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A3102 Safer Road Scheme

We have been granted nearly £7m to help us make the A3102 in Wiltshire safer for road users. The A3102, between Junction 16 of the M4 near Swindon to the A350 in Melksham, via Royal Wootton Bassett and Calne, was identified through the Road Safety Foundation analysis, and the council has been awarded £6.98m.

The scheme will include a range of safety measures, such as improving signage and road markings, and redesigning some junctions.

We have started preliminary works on the A3102 Safer Roads Scheme, with a focus on cutting back hedges and trees to improve visibility at various points along the road, particularly at junctions.

The vegetation being cleared are generally self-seeded bushes, shrubs and trees that encroached on to some of the verge areas that are required for visibility, which can make the road more dangerous for all road users. At this stage, we have no plans for replacement planting of this vegetation, as that would further reduce visibility and further compromise road safety.

Background

The A3102 is around 22 miles (35km) long and runs through several towns and villages. The surrounding landscape is predominantly rural farmland, with hedgerows and trees lining most the road's length. Pedestrian and cycling provision is minimal in the rural areas with only short stretches of provision in the towns and villages. It was identified as a non-Major Road Network road which had a high number of fatal and serious crashes between 2014-2019 following a crash risk mapping exercise and yielded a high Benefit-Cost Ratio value.

The aim of the project is to improve the safety of the road by reducing the number of fatal and serious injuries over the next 20 years. Due to the length of road, focus has been on sections that offer the greatest opportunity for improving safety and will offer the greatest impact to road user safety. The proposed countermeasures to improve the safety of the road include, but not limited to, signalising high risk junctions, a new roundabout, providing shared use paths and clearing hazards from roadside verges.

Maps of the improvements

You can download a map of the improvements: A3102 Safer Roads scheme map (PDF, 2 MB)(opens new window) and use the key below, or view our interactive Google Maps: A3102 Safer Roads Fund (opens new window).

You can also view a map of the lines and signs improvements: A3102 Safer Roads lines and signs map (PDF, 661 KB)(opens new window)

A video explaining the improvements for the A3102 can be found online. See YouTube: A3102 Safer Road Scheme (opens new window) for more details.

Key to all improvements on the A3102
ReferenceLocationDescription of worksEstimated construction (subject to change)
1The Sally Pussey's Inn (Site 5)Suspension of right-turn into Sally Pussey's Inn car park with appropriate signage. Vegetation clearance on approach to junctions.January 2025
2Churchill Pub & Grill (Site 3)Replacement of damaged sign in new location to improve access visibility. Vegetation clearance to improve visibility.January 2025
3Stoneover Lane Junction (Site 6)
  • signal controlled junction to provide safer movements for vehicles
  • introduction of 40mph speed limit through junction, changing back to 50mph east of junction
  • providing two lanes at each approach to maintain traffic flow while enhancing safety
Autumn 2025
4Coped Hall Roundabout (Site 8)Widening of existing footway to shared use path from Coped Hall Business Park to Aldi including side road crossing of Coped Hall Business Park junction.February 2025
5Marlowe Way Junction (Site 9)Side road crossing with raised table for improved pedestrian and cycle safety.March 2025
6BP Fuel Station Junction (Site 10)Removal of traffic island and installation of right-turn lane into BP.March 2025
7Longleaze Junction (Site 11)Side road crossing with raised table for improved pedestrian and cycle safety.March 2025
8New Road Crossroads (Site 13)Road marking improvements to increase visibility from Whitehill Lane.November 2024
9Bath Road (Site 14)Refresh centre line markings.November 2024
10Vastern Wharf Junction (Site 16)Carriageway widening to install right-turn lane into Vastern Wharf (western junction). Upgraded signage on both approaches.November 2024
11Tockenham & Tockenham Wick Junctions (Site 17)Closure of eastern Primrose Hill in/out junctions. Carriageway widening to installation a right-turn lane into primrose hill and right-turn lane towards Tockenham Wick.November 2024
12Lyneham Co-op CrossingUpgrade of existing pedestrian crossing Winter 2024
13Goatacre (Site 23)Improved approach signageNovember 2024
14Snowhill Junction (Site 25)Improved approach signageNovember 2024
15Northern Gateway into CalneInstallation of southbound speed limit gateway marking for improved awareness of speed limitSpring 2024
16Tesco Junction, CalneSide road parallel crossing for improved pedestrian and cycle safetySummer 2024
17Stanier Road Junction
  • formalised pedestrian footpath to the North of the junction
  • signal controlled junction to provide increased safety for ingress and egress from Stanier Road
  • widening of the carriageway
  • wide staggered toucan crossings for shared use path
2026
18Stickleback Road Junction (Site 31)Side road parallel crossing for improved pedestrian and cycle safetyJanuary 2025
19School Road Junction (Site 31)Side road parallel crossing for improved pedestrian and cycle safetyFebruary 2025
20Honeysuckle Road Junction (Site 31)Side road crossing with raised table for improved pedestrian and cycle safetyFebruary 2025
21Silver Street CrossingUpgrade of existing pedestrian crossing Winter 2024
22Whetham Bends (Site 39)Improved carriageway road markings and approach signage.November 2024
23South WhethamImproved carriageway road markings and approach signage.Spring 2024
24Back Lane Junction (Site 41)Improved carriageway road markings and approach signage.December 2024
25A3102 / A342 North (Site 42)
  • new ghost island junction to provide right turn island for A3102 traffic
  • widening of the carriageway
  • formalised pedestrian crossing
  • improving the A3102 approach opportunity to turn left and right.
Summer 2026
26A3102 / A342 South (Site 43)
  • new roundabout planned to reduce vehicle speeds and provide access in all directions
  • improve the safety of right turn lane for traffic into A3102
  • remove the non-standard right turn island
  • reduction in speed limit from the existing national speed limit to 50mph.

Winter 2026

27Westbrook Road (Site 45)Improved approach signage.December 2024
28No. 42 Westbrook Road (Site 46)Improved carriageway road markings, approach signage and new vehicle barrierDecember 2024
29Brick Hill Junction (Site 47)Improved visibility from Brick Hill JunctionDecember 2024
30Sandridge Hill (Site 48)Improved carriageway road markings, approach signage and new vehicle barrierDecember 2024
31Union Street CrossingUpgrade of existing pedestrian crossing Winter 2024
32Lowbourne Road CrossingUpgrade of existing pedestrian crossing Winter 2024
33Bank Street (Site 53)Consideration for new pedestrian guard rail on raised footwayDecember 2024
34Bath Road (Site 55) Improved carriageway road markings and approach signage.December 2024
35Gateway into Melksham (Site 54)Installation of speed limit gateway marking for improved awareness of speed limitDecember 2025

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