The M10 was a toll road in Hertfordshire, England, running for about 3.0 miles (4.6 km) from the M1 motorway at junction 7 close to Hemel Hempstead to the A414 North Orbital avenue at Park street Roundabout, simply south of St Albans. Opened in 1959, it was reclassified as a part of the A414 in 2009.
|Length:||3 mi (4.6 km)|
|Time period:||3 November 1959 – 1 May 2009|
|Cultural significance:||Joint-second motorway in Great Britain|
|Related routes :||M1 and M45|
|From:|| Hemel Hempstead
|Highway system||Roads in the United Kingdom
Motorways A and B road zones