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M10 motorway (Great Britain): Difference between revisions

Coordinates: 51°44′15″N 0°22′16″W / 51.7374°N 0.3710°W / 51.7374; -0.3710
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{{short description|Former motorway in Hertfordshire, England}}
{{Use dmy dates|date=March 2018}}
{{Use dmy dates|date=March 2018}}
{{Use British English|date=March 2018}}
{{Use British English|date=March 2018}}
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|type=M
|type=M
|route=10
|route=10
|map={{maplink-road|from=M10 motorway (Great Britain).map}}
|map_custom=yes
|map_notes=M10 highlighted in blue
|length_mi=2.8
|length_mi=2.8
|direction_a=Northwest
| direction= West – East
|direction_b=Southeast
|terminus_a= [[Hemel Hempstead]]
|terminus_a=[[Hemel Hempstead]]
|terminus_b= [[St Albans]]
|terminus_b=[[St Albans]]
|time_period= 2 November 1959 – 1 May 2009
|time_period= 2 November 1959 – 1 May 2009
|deleted={{End date|2009|05|01|df=y}}
|established_by=[[Ministry of Transport]] with [[Hertfordshire County Council]] and [[Carillion|Tarmac Construction]]
|established_by=[[Ministry of Transport (United Kingdom)|Ministry of Transport]] with [[Hertfordshire County Council]] and [[Carillion|Tarmac Construction]]
|significance=Joint-second motorway in [[Great Britain]]
|significance=Joint-second motorway in [[Great Britain]]
|related=[[M1 motorway|M1]] and [[M45 motorway|M45]]
|related=[[M1 motorway|M1]] and [[M45 motorway|M45]]
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}}
}}
[[File:M10 motorway in 2005.jpg|thumb|M10 south of St Albans in 2005]]
[[File:M10 motorway in 2005.jpg|thumb|M10 south of St Albans in 2005]]
The '''M10''' was a [[motorway]] in [[Hertfordshire]], [[England]], running for approximately 3 miles (4.5 km) from the [[M1 motorway]] at junction 7 near [[Hemel Hempstead]] to the [[A414 road|A414]] North Orbital Road at Park Street Roundabout, just south of [[St Albans]]. Opened in 1959, it was reclassified as part of the A414 in 2009.
The '''M10''' was a [[motorway]] in [[Hertfordshire]], [[England]], running for approximately 3 miles (4.5 km) southeast from the [[M1 motorway]] at junction 7 near [[Hemel Hempstead]] to the [[A414 road|A414]] North Orbital Road at Park Street Roundabout, just south of [[St Albans]]. Opened in 1959, it was reclassified as part of the A414 in 2009 having only been a spur motorway for about 50 years.


==History==
==History==
The M10 opened on 2 November 1959 along with the M1 and [[M45 motorway|M45]], and was designed and constructed by [[Tarmac Group|Tarmac Construction]]<ref>[http://www.iht.org/motorway/m1eastamat.htm Motorway archive list of material held by Northamptonshire CC] {{webarchive|url=https://web.archive.org/web/20080126112253/http://www.iht.org/motorway/m1eastamat.htm |date=2008-01-26 }}</ref> as part of the St Albans bypass (along with the M1 between junctions 5 and 10a).<ref>[https://web.archive.org/web/20021104195212/http://www.iht.org/motorway/m1m10m45.htm The Motorway Archive]</ref>
The M10 opened on 2 November 1959 along with the [[M1 motorway|M1]] and [[M45 motorway|M45]], and was designed and constructed by [[Tarmac Group|Tarmac Construction]]<ref>[http://www.iht.org/motorway/m1eastamat.htm Motorway archive list of material held by Northamptonshire CC] {{webarchive|url=https://web.archive.org/web/20080126112253/http://www.iht.org/motorway/m1eastamat.htm |date=2008-01-26 }}</ref> as part of the St Albans bypass (along with the M1 between junctions 5 and 10).<ref>[https://web.archive.org/web/20021104195212/http://www.iht.org/motorway/m1m10m45.htm The Motorway Archive]</ref>


At the time, the M1's southern terminus was at junction 5 at Berrygrove, with the main route from there to the [[A1 road (Great Britain)|A1]] in London being via the [[A41 road (Great Britain)|A41]] [[Watford]] Bypass. Since the capacity of the A roads was much less than that of the motorway, a distributing spur was required to split up the traffic and reduce congestion at Berrygrove. The M10 was thus built to distribute southbound traffic on the M1<ref>[http://www.cbrd.co.uk/motorway/m10/ CBRD Motorway Database – M10]</ref> onto the [[A5 road (Great Britain)|A5]] (now [[A5183 road|A5183]]) and, as an alternative, via the North Orbital Road and the [[A6 road (Great Britain)|A6]] to the A1 [[Chipping Barnet|Barnet]] Bypass.
At the time, the M1's southern terminus was at junction 5 at Berrygrove, with the main route from there to the [[A1 road (Great Britain)|A1]] in London being via the [[A41 road (Great Britain)|A41]] [[Watford]] Bypass. Since the capacity of the A roads was much less than that of the motorway, a distributing spur was required to split up the traffic and reduce congestion at Berrygrove. The M10 was thus built to distribute southbound traffic on the M1<ref>[http://www.cbrd.co.uk/motorway/m10/ Roads.org.uk Motorway Database – M10]</ref> onto the [[A5 road (Great Britain)|A5]] (now [[A5183 road|A5183]]) and, as an alternative, via the North Orbital Road and the [[A6 road (Great Britain)|A6]] to the A1 [[Chipping Barnet|Barnet]] Bypass.


The M45 was the equivalent distributing spur at the northern end of the M1, and is thus regarded as a sister motorway to the M10.
The M45 was the equivalent distributing spur at the northern end of the M1, and is thus regarded as a sister motorway to the M10.


In later years, as the M1 was extended southwards into London and the [[M25 motorway|M25]] was built, the M10's original purpose eroded. It was sometimes suggested that the motorway might have been extended to meet the M25 at junction 22, but this was never proposed.<ref>[http://www.roadsuk.com/histories/m10/ Roads UK – M10: A Short Spur With a Long History]</ref>
In later years, as the M1 was extended southwards into London and the [[M25 motorway|M25]] was built, the M10's original purpose eroded. It was sometimes suggested that the motorway might have been extended to meet the M25 at junction 22, but this was never proposed.<ref>{{Cite web |url=http://www.roadsuk.com/histories/m10/ |title=Roads UK – M10: A Short Spur With a Long History |access-date=3 November 2012 |archive-date=1 November 2012 |archive-url=https://web.archive.org/web/20121101150959/http://www.roadsuk.com/histories/m10/ |url-status=dead }}</ref>


==Downgrade==
==Downgrade==
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==Junctions==
==Junctions==
{{RJL|date=December 2021}}
{| border=1 cellpadding=2 style="margin-left:1em; margin-bottom: 1em; color: black; border-collapse: collapse; font-size: 95%;"
{| border=1 cellpadding=2 style="margin-left:1em; margin-bottom: 1em; border-collapse: collapse;"
|- align="center" bgcolor="0079c1" style="color: white;font-size:120%;"
|- align="center" bgcolor="0079c1" style="color: white;"
| colspan="3" | '''M10 motorway'''
| colspan="3" | '''M10 motorway'''
|- align="center"
|- align="center"
| Westbound exits
| North-Westbound exits
| Junction
| Junction
| Eastbound exits
| South-Eastbound exits
|- align="center"
|- align="center"
| [[Northern England|The NORTH]] M1
| [[Northern England|The NORTH]] M1
| M1 J7
| M1 J7<br>Terminus
| ''Start of motorway''
| ''Start of motorway''
|- align="center"
|- align="center"
| ''Start of motorway''
| ''Start of motorway''
| J1
| J1<br>Terminus
| [[Hatfield, Hertfordshire|Hatfield]] [[A414 road|A414]]<br>St Albans, [[Radlett]] [[A5183 road|A5183]]<br>[[Bricket Wood]] [[A405 road|A405]]
| [[Hatfield, Hertfordshire|Hatfield]] [[A414 road|A414]]<br>[[St Albans]], [[Radlett]] [[A5183 road|A5183]]<br>[[Bricket Wood]] [[A405 road|A405]]
|}
|}


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==External links==
==External links==
* [http://www.cbrd.co.uk/motorway/m10/ CBRD Motorway Database – M10]
* [http://www.roads.org.uk/motorway/m10/ Roads.org.uk Motorway Database – M10]
* [http://pathetic.org.uk/current/m10/ Pathetic Motorways – M10]
* [http://pathetic.org.uk/current/m10/ Pathetic Motorways – M10]
* [http://www.roadsuk.com/histories/m10/ Roads UK – M10: A Short Spur With a Long History]
* [https://web.archive.org/web/20021104195212/http://www.iht.org/motorway/m1m10m45.htm The Motorway Archive – M1/M10/M45]
* [https://web.archive.org/web/20021104195212/http://www.iht.org/motorway/m1m10m45.htm The Motorway Archive – M1/M10/M45]


Latest revision as of 23:01, 28 August 2024

M10 shield
M10
Map
M10 highlighted in blue
Route information
Established by Ministry of Transport with Hertfordshire County Council and Tarmac Construction
Length2.8 mi (4.5 km)
Time period2 November 1959 – 1 May 2009
Cultural significanceJoint-second motorway in Great Britain
Related routesM1 and M45
Major junctions
Northwest endHemel Hempstead
Major intersections
M1 motorway
Southeast endSt Albans
Location
CountryUnited Kingdom
Road network
M10 south of St Albans in 2005

The M10 was a motorway in Hertfordshire, England, running for approximately 3 miles (4.5 km) southeast from the M1 motorway at junction 7 near Hemel Hempstead to the A414 North Orbital Road at Park Street Roundabout, just south of St Albans. Opened in 1959, it was reclassified as part of the A414 in 2009 having only been a spur motorway for about 50 years.

History

[edit]

The M10 opened on 2 November 1959 along with the M1 and M45, and was designed and constructed by Tarmac Construction[1] as part of the St Albans bypass (along with the M1 between junctions 5 and 10).[2]

At the time, the M1's southern terminus was at junction 5 at Berrygrove, with the main route from there to the A1 in London being via the A41 Watford Bypass. Since the capacity of the A roads was much less than that of the motorway, a distributing spur was required to split up the traffic and reduce congestion at Berrygrove. The M10 was thus built to distribute southbound traffic on the M1[3] onto the A5 (now A5183) and, as an alternative, via the North Orbital Road and the A6 to the A1 Barnet Bypass.

The M45 was the equivalent distributing spur at the northern end of the M1, and is thus regarded as a sister motorway to the M10.

In later years, as the M1 was extended southwards into London and the M25 was built, the M10's original purpose eroded. It was sometimes suggested that the motorway might have been extended to meet the M25 at junction 22, but this was never proposed.[4]

Downgrade

[edit]

In December 2008, widening of the M1 between the M25 and Luton was completed, with non-motorway collector/distributor lanes built to link junction 8 of the M1, at Hemel Hempstead, with junction 7 and the M10.[5] As traffic could now travel between Hemel Hempstead and Park Street Roundabout without having to access the M1, there was no need to keep the M10 as a motorway. Hence, on 1 May 2009, the M10 was downgraded to an A road, and designated as part of the A414. This also released the "M10" designation for use elsewhere. This also had the added bonus of allowing lorries to park when waiting for access to a proposed rail freight depot. Otherwise if the proposed rail freight depot went ahead and it had remained a motorway there would have been nowhere for lorries to wait.

Junctions

[edit]
M10 motorway
North-Westbound exits Junction South-Eastbound exits
The NORTH M1 M1 J7
Terminus 		Start of motorway
Start of motorway J1
Terminus 		Hatfield A414
St Albans, Radlett A5183
Bricket Wood A405

See also

[edit]

References

[edit]
  1. ^ Motorway archive list of material held by Northamptonshire CC Archived 2008-01-26 at the Wayback Machine
  2. ^ The Motorway Archive
  3. ^ Roads.org.uk Motorway Database – M10
  4. ^ "Roads UK – M10: A Short Spur With a Long History". Archived from the original on 1 November 2012. Retrieved 3 November 2012.
  5. ^ Highways Agency Leaflet (PDF)
[edit]

51°44′15″N 0°22′16″W / 51.7374°N 0.3710°W / 51.7374; -0.3710

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