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Westmill Interchange

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Westmill Interchange
Location Map ( geo)
Overbridges across the A10, Ware Bypass - Geograph - 4790558.jpg
The circulatory carriageway of the interchange is carried across the A10's main line on two concrete bridges
Cameraicon.png View gallery (2)
Ware Bypass
Highway Authority
Junction Type
Roundabout Interchange
Roads Joined
A10, A602, B1001
Junctions related to the A602
Junctions related to the B1001

The Westmill Interchange (also known as Ware Interchange) was to serve the B1001, linking Watton-at-Stone and Ware. The B1001 to the west of the junction was later renumbered A602 (see articles on B1001, A602, and A119 for more information on the history of these linked routes).

The junction comprises a roundabout interchange above the main A10 carriageways, with full access.

As of 2016 there are plans by Hertfordshire County Council to add traffic signals to the interchange and widen the A602 approach, to relieve some of the peak hours traffic congestion that occurs at the junction. Work on this commenced in late 2017, with widening of the carriageways and accesses and from the A602 and A10. Traffic signals were installed in May 2018.


Route To Notes


London, Hertford, Harlow (A414)


Cambridge, Buntingford




Ware Watton Road. Some maps show this as B1004 - this is incorrect (possibly a copyright trap); the road has never been the B1004


Watton-at-Stone Renumbered as A602 in the late 1980s


A602 Improvements - drive through

Have a look at what we've been doing to reduce rush hour queues on the A602 between Stevenage and Ware

Watch video > >

Westmill Interchange
Related Pictures
View gallery (2)
A10, Ware bypass - Geograph - 4790556.jpgOverbridges across the A10, Ware Bypass - Geograph - 4790558.jpg
Junctions on the A10
Bank • Shoreditch • Dalston Junction • Stoke Newington • Seven Sisters • Bruce Grove • Great Cambridge Junction • Halfway House • Turkey Street • Waltham Cross Interchange • Turnford New River Arms • Hoddesdon Sun Roundabout • Hailey Interchange Amwell Roundabout • Rush Green Interchange • Westmill Interchange • Moles Interchange • Westfield Interchange • Milton Interchange • Oakwood Corner • Hardwick Roundabout

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