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Euston Underpass

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Euston Underpass
Location Map ( geo)
A501 Euston Underpass.jpg
The underpass in 2007
Cameraicon.png View gallery (3)
From:  Euston Square Tube Station
To:  Warren Street Tube Station
Highway Authority
Transport for London
Junction Type
Modified Diamond
Junctions related to the A400

The Euston Underpass is a section of the A501 where it passes under the A400 grade-separated.

It is part of the London Inner Ring Road so marks the congestion-charging zone boundary although due to turning restrictions and one-way systems, traffic heading westbound on the ring-road may briefly enter Gower Street, then turn right into Grafton Way and right again into Tottenham Court Road in order to cross the junction to get to the A400 Hampstead Road, which is a two-way road and is primary. At this point the A400 splits into two one-way streets, as previously mentioned, Gower Street southbound and Tottenham Court Road northbound.

The underpass runs adjacent to the Metropolitan Railway (also carrying the Circle and Hammersmith & City underground lines), which runs under Euston Road.

The underpass was built in the 1960s as part of the dualling of Marylebone Road. It was built slightly north of Euston Road, allowing the underpass to be dug without disturbing the railway, and involved demolishing streets such as Eden Street.

The underpass has two lanes in each direction and has a speed limit of 30mph, regulated by cameras on entry where traffic tends to speed up. There are often queues on exiting the tunnel, particularly on its western exit where it meets the junction of Great Portland Street and the A4201 Albany Street.


Route To Notes


Holloway, Camden Town


Ring road (west), (A41, A40), Kilburn


Ring road (east), (A1, A10, A11), The City, Euston, Kings Cross


West End, Westminster, Holborn Congestion Charge applies after Grafton Way (the southern edge of the one-way system associated with this junction)


Traffic at Euston (1970-9)

Traffic at Euston - Unissued / unused material. Various shots of traffic moving along Euston Road. Lorries, coaches, cars etc. Shots of traffic driving down into an underpass. More good traffic shot - the camera appears to be in the middle of the road.

Watch video > >

Euston Underpass
Related Pictures
View gallery (3)
A501 Euston Underpass.jpg77 Euston Road - Coppermine - 1238.JPG79. Euston Underpass - Coppermine - 519.JPG
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