Motorway Database

This impressive knot of concrete greets anyone travelling the M25 at Merstham Interchange, where the motorway passes below the M23.
Photo by Dave Ryan

The usual trouble? Yes, by all accounts, but significant because this picture was taken on one of the brand new five lane sections. Hooray for two years of widening works.
Photo by Chris Osowski

Just north of the M40, the road passes through this viaduct. Most impressive!
Photo by Chris Osowski

At Rickmansworth, the motorway and junction with the A404 are shoehorned in, hence the enormous retaining wall.
Photo by Chris Osowski

Further north still, the M1's interchange is a four-level interchange, but only connects to the M1 north.
Photo by Chris Osowski