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
Archway • Britannia Junction • Cambridge Circus • Charing Cross (London) • St Giles Circus • Trafalgar Square

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). The existence of this railway just under the surface controlled a lot of the design of this junction, especially the underpass.

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)

Euston Underpass
Related Pictures
View gallery (3)
77 Euston Road - Coppermine - 1238.JPG79. Euston Underpass - Coppermine - 519.JPGA501 Euston Underpass.jpg
Junctions in Inner London
Inner Ring RoadCaledonian Market • Bricklayers Arms • Elephant & Castle • Vauxhall Cross • Millbank Junction • Victoria Gyratory • Hyde Park Corner • Marble Arch • Marylebone Flyover • Baker Street • Regents Park • Euston Underpass • Kings Cross • Angel • Old Street Roundabout • Shoreditch One-Way System • Aldgate One-Way System • Tower Hill
Inside IRRBank • Blackfriars Junction • Borough • Cambridge Circus • Charing Cross • Holborn Circus • Lambeth Bridge North Roundabout • Lambeth Bridge South Roundabout • Ludgate Circus • Monument • Oxford Circus • Parliament Square • Piccadilly Circus • Seven Dials • Spur Road Gyratory • St Georges Circus • St Giles Circus • St Paul’s Gyratory • Trafalgar Square • Vauxhall Cross • Waterloo IMAX Roundabout • Westminster Bridge South
Outside IRRBritannia Junction • Camberwell Green • Canal Bridge • Clapham Common • Dalston Junction • Highbury Corner • Holland Park • Kennington Oval • Lancaster Gate • Leamouth Interchange • Lord's Roundabout • Nags Head • New Cross • New Cross Gate • Paddington Interchange • Park Road Roundabout • Prestons Road Junction • Scotch House • Stockwell • St Olavs Square • Surrey Quays Gyratory • Swiss Cottage • Westferry Road Junction • Westway Roundabout • White City • Wood Lane