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The Dome

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The Dome
Location Map ( geo)
Shell Filling Station, Dome Roundabout, Garston - Geograph - 1537676.jpg
Shell Filling Station, A412 looking towards the Dome Roundabout
Cameraicon.png View gallery (2)
Highway Authority
Junction Type
Signalised Roundabout
Roads Joined
A41, A412
Junctions related to the A412

Next to the large Trinity Mirror print works, The Dome is a roundabout on the A41 Watford Bypass, where it intersects with the A412 St Albans Road.

Grade separation as part of alternative M25 plans

Had one of the alternative routes for the M25 around Watford been chosen it would have meant an upgrade for the junctions on the Watford Bypass and the Dome would have had an underpass running beneath it.


Route To Notes


M1, C. London, Harrow, Watford town centre


M25, Aylesbury


M1, Garston (A405)


North Watford

The Dome
Related Pictures
View gallery (2)
Dome Roundabout GSJ.pngShell Filling Station, Dome Roundabout, Garston - Geograph - 1537676.jpg
Other nearby junctions
Junctions on the A41
London -
Baker Street • Lord's Roundabout • Swiss Cottage • Brent Cross • Hendon Central Circus • Fiveways Corner • Mill Hill Circus • Apex Corner • Brockley • Hartspring • Berrygrove • The Dome • Leavesden Green • Hunton Bridge • Kings Langley • Two Waters • London Road • Bourne End • Chesham Road • Akeman Street • Tring Hill • Buckland • College Road • Woodlands Roundabout • Tesco's Roundabout • Exchange Street Roundabout • Hen and Chickens Roundabout • Henleys Roundabout • Cotton Wheel Roundabout • Rodney House Roundabout • Oxford Road Roundabout • Wendlebury
Former sectionRodney House Roundabout • Baynards Green Roundabout • Banbury Cross • M40 Junction 13 • Barford • Longbridge Island • Stanks Interchange • Copt Hill
Solihull -
Copt Hill • Hockley Circus • West Bromwich Interchange • All Saints Interchange • Albion Roundabout • Swan Roundabout • Navigation Roundabout • Parkway Roundabout • Steel Roundabout • Patent Shaft Roundabout • Moxley Junction • Oxford Street Island • Bilston Street Island • Chapel Ash Island • Tong Interchange • Pickmere Roundabout • Tern Hill Roundabout • Prees Heath • Hampton Heath Roundabout • Broxton Roundabout • Boughton Heath Roundabout • Hoole Roundabout • Backford Cross • Hooton Crossroads • M53 Junction 5

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