A1(M) southbound Jct 8 Stevenage exit slip road lane 1 closure

Planned

Start time: Tue, Mar 10, 2026 9:00 PM
Expected end: Wed, Mar 11, 2026 5:00 AM
Duration: 8 hours
Road: A1(M) – A1(M) Southbound Between J9 And J8
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 3 lanes affected, 1 of 2 lanes affected
Reason: Maintenance Work

Active

Planned

Cleared

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First published: Tue, Mar 3, 2026 1:00 PM
Last updated: Tue, Mar 10, 2026 10:56 AM
Cleared: Wed, Mar 11, 2026 5:00 AM

Latest update: A1(M) southbound Jct 8 Stevenage exit slip road lane 1 closure

Coordinates: 51.930750, -0.218125
Latitude span: 51.928504 – 51.933009
Longitude span: -0.218857 – -0.217359
Bounding box centre: 51.930757, -0.218108
Location descriptions: A1(M) southbound between J9 and J8

A1(M) J8 southbound exit

Feed validity status: Planned
Overall feed start: Tue, Mar 10, 2026 9:00 PM
Overall feed end: Wed, Mar 11, 2026 5:00 AM
Feed window length: 8 hours
Probability code (raw): probable
Compliance option (raw): mandatory
Source identification (raw): roadworks

Management type value: other
Contra-flow flag (raw): false
Width restriction flag (raw): false
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

2 coordinate pairs

Description: A1(M) southbound between J9 and J8
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A1(M)
Linear Element Model: The Network Model
Linear Element Id: {980AAD16-57A1-4B40-94D0-7AD40B57E385}
Linear Element Type: B Carriageway
From Distance: 846 m
To Distance: 861 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.933009 -0.217359
51.932872 -0.217422

Segment 2

4 coordinate pairs

Description: A1(M) J8 southbound exit
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A1(M)
Linear Element Model: The Network Model
Linear Element Id: {EC38320F-A760-4F42-905B-33D47DFA64F6}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 496 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.932872 -0.217422
51.928649 -0.218855
51.928595 -0.218857
51.928504 -0.218835

Geometry type: MultiLineString
Geometry points: 6
First coordinate pair: -0.217359, 51.933009
Road section segments: 1
Road section points: 6

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.217359,
                51.933009
            ],
            [
                -0.217422,
                51.932872
            ],
            [
                -0.217422,
                51.932872
            ],
            [
                -0.218855,
                51.928649
            ],
            [
                -0.218857,
                51.928595
            ],
            [
                -0.218835,
                51.928504
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other