Proposed tunnels that Boris Johnson
claims could cut congestion in central
London by 20%
Start/end points of proposed tunnels
Potential sites for smaller tunnels
and flyunders
A4 Chiswick
A40 Park Royal
A12 Hackney Wick
A13 Beckton
A13
A12
A1261
A406
A40
A4
A316
A3
5 km
5 miles
Proposed tunnels that Boris Johnson claims could cut congestion in central London by 20%
Start/end points of proposed tunnels
Potential sites for smaller tunnels and flyunders
A4 Chiswick
A40 Park Royal
A12 Hackney Wick
A13 Beckton
New Malden
Holloway
Soho
Peckham
Welling
Bromley
Wembley
Croydon
A13
A12
A1261
A12
A406
A40
A4
A316
A3
5 km
5 miles