M10 motorway

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+ very short

M10 motorway in the UK
Basic data
Operator:	Highways Agency
Start of the street:	Hemel Hempstead
End of street:	St Albans
Overall length:	4.5 km (2.8  mi )
Countries :	England
M10 Motorway

The M10 motorway ( English for 'M10 motorway') was a 4.5 kilometer motorway in the south of St Albans , England . It was opened in 1959 and connected the M1 motorway with the A 414. Since it had no other junctions, it was actually just a feeder .

The M10 motorway was planned and built as part of a bypass road - together with junctions 5–10a of the M 1 - with the aim of bringing traffic running onto the M 1 onto the A 5 (now A 5183) and via the North Orbital Road and the A 6, the Barnet bypass (A 1, although the main route from the A 1 to the M 1 was via the A 41 Watford bypass to Berrygrove). This was because the capacity of the "A" category roads was less than that of the highways and because the traffic could be split up to avoid large congestion at either end, which would have rendered the highways useless.

With the expansion of the M 1 between the M 25 and Luton , the M 10 was downgraded to the A 414 road in May 2009.