Crash View

A1M Northbound Jct 4 entry slip road closure

Cleared

A1M Northbound Jct 4 entry slip road closure

Start time
Fri, May 15, 2026 9:00 PM
Expected end
Sat, May 16, 2026 4:30 AM
Duration
7 hours 30 minutes
Road
A1(M) – A1(M) Northbound Between J4 And J5
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Reason
Other
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
Get a property report
First published
Wed, May 21, 2025 10:30 AM
Last updated
Fri, May 15, 2026 11:20 AM
Cleared
Sat, May 16, 2026 4:30 AM
  • Latest update: A1M Northbound Jct 4 entry slip road closure
Coordinates
51.782424, -0.223429
Latitude span
51.779223 – 51.785080
Longitude span
-0.224045 – -0.222898
Bounding box centre
51.782152, -0.223472
Location descriptions
  • A1(M) northbound between J4 and J5
  • A1(M) J4 northbound access
Feed validity status
Planned
Overall feed start
Fri, May 15, 2026 9:00 PM
Overall feed end
Sat, May 16, 2026 4:30 AM
Feed window length
7 hours 30 minutes
Probability code (raw)
probable
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw)
false
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

4 coordinate pairs
Description
A1(M) northbound between J4 and J5
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{5E1B02B1-0487-4633-B5CF-C730404BB3DE}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
83 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.78389 -0.223343
51.784236 -0.223503
51.784472 -0.223639
51.784599 -0.223721

Segment 2

3 coordinate pairs
Description
A1(M) northbound between J4 and J5
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{210A1E4F-D02A-49A5-9A06-F0C79C5273DE}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
48 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.784681 -0.223762
51.784863 -0.223885
51.78508 -0.224045

Segment 3

3 coordinate pairs
Description
A1(M) northbound between J4 and J5
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{22D4DBA4-42CE-4742-BFF4-4AFD0D25D764}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
9 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.784599 -0.223721
51.784643 -0.223741
51.784681 -0.223762

Segment 4

16 coordinate pairs
Description
A1(M) J4 northbound access
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{346CC515-6C34-458B-BE6E-40413FDB2AC7}
Linear Element Type
A Carriageway Entry Slip
From Distance
7 m
To Distance
544 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.779223 -0.224015
51.779315 -0.223914
51.779741 -0.223549
51.779795 -0.223533
51.779973 -0.22341
51.780222 -0.22327
51.780392 -0.22319
51.780741 -0.223046
51.781045 -0.222962
51.781314 -0.222922
51.781575 -0.222898
51.781835 -0.222902
51.782279 -0.222935
51.782581 -0.222974
51.783346 -0.223176
51.78389 -0.223343
Geometry type
MultiLineString
Geometry points
26
First coordinate pair
-0.223343, 51.783890
Road section segments
1
Road section points
26
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.223343,
                51.78389
            ],
            [
                -0.223503,
                51.784236
            ],
            [
                -0.223639,
                51.784472
            ],
            [
                -0.223721,
                51.784599
            ],
            [
                -0.223762,
                51.784681
            ],
            [
                -0.223885,
                51.784863
            ],
            [
                -0.224045,
                51.78508
            ],
            [
                -0.223721,
                51.784599
            ],
            [
                -0.223741,
                51.784643
            ],
            [
                -0.223762,
                51.784681
            ],
            [
                -0.224015,
                51.779223
            ],
            [
                -0.223914,
                51.779315
            ],
            [
                -0.223549,
                51.779741
            ],
            [
                -0.223533,
                51.779795
            ],
            [
                -0.22341,
                51.779973
            ],
            [
                -0.22327,
                51.780222
            ],
            [
                -0.22319,
                51.780392
            ],
            [
                -0.223046,
                51.780741
            ],
            [
                -0.222962,
                51.781045
            ],
            [
                -0.222922,
                51.781314
            ],
            [
                -0.222898,
                51.781575
            ],
            [
                -0.222902,
                51.781835
            ],
            [
                -0.222935,
                51.782279
            ],
            [
                -0.222974,
                51.782581
            ],
            [
                -0.223176,
                51.783346
            ],
            [
                -0.223343,
                51.78389
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.223343,
            51.78389
        ],
        [
            -0.223503,
            51.784236
        ],
        [
            -0.223639,
            51.784472
        ],
        [
            -0.223721,
            51.784599
        ],
        [
            -0.223762,
            51.784681
        ],
        [
            -0.223885,
            51.784863
        ],
        [
            -0.224045,
            51.78508
        ],
        [
            -0.223721,
            51.784599
        ],
        [
            -0.223741,
            51.784643
        ],
        [
            -0.223762,
            51.784681
        ],
        [
            -0.224015,
            51.779223
        ],
        [
            -0.223914,
            51.779315
        ],
        [
            -0.223549,
            51.779741
        ],
        [
            -0.223533,
            51.779795
        ],
        [
            -0.22341,
            51.779973
        ],
        [
            -0.22327,
            51.780222
        ],
        [
            -0.22319,
            51.780392
        ],
        [
            -0.223046,
            51.780741
        ],
        [
            -0.222962,
            51.781045
        ],
        [
            -0.222922,
            51.781314
        ],
        [
            -0.222898,
            51.781575
        ],
        [
            -0.222902,
            51.781835
        ],
        [
            -0.222935,
            51.782279
        ],
        [
            -0.222974,
            51.782581
        ],
        [
            -0.223176,
            51.783346
        ],
        [
            -0.223343,
            51.78389
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Wed, May 21, 2025 10:30 AM
Record versioned
Fri, May 15, 2026 11:20 AM
Coordinate source
Geometry

Driving on the A1(M)? See every live closure, roadwork and planned restriction on this road.

A1(M) live closures

Related incidents

A1(M) Southbound Jct 5 to Jct 4 lane 3,2 closure

Active Roadworks National Highways
Hatfield A1(M) · A1(M) Southbound Between J6 And J4

Expected to clear in 5 hours 34 minutes

Started 14 Jun 2026, 21:30 Expected clear 15 Jun 2026, 04:30

A1(M) Southbound Jct 5 to Jct 4 lane 3,2 closure

Category: Road Maintenance
View update

A1M southbound Jct 45 to Jct 44 hard shoulder closure ( 60/0 59/4)

Planned Roadworks National Highways
Selby A1(M) · A1(M) Southbound Between J45 And J44

Expected to clear in 1 day 17 hours

Started 11 Jun 2026, 07:00 Expected clear 16 Jun 2026, 16:00

A1M southbound Jct 45 to Jct 44 hard shoulder closure ( 60/0 59/4)

Category: Road Maintenance
View update

A1(M) northbound Sawtry hard shoulder closure and 50mph speed restrictions on lanes 1,2, 3, 4

Planned Roadworks National Highways
Huntingdonshire A1(M) · A1(M) Northbound Between J14 And J15

Expected to clear in 2 weeks 2 days

Started 5 Jun 2026, 11:00 Expected clear 1 Jul 2026, 04:00

A1(M) northbound Sawtry hard shoulder closure and 50mph speed restrictions on lanes 1,2, 3, 4

Category: Road Maintenance
View update

A1(M) Southbound Jct 4 to Jct 2 lane 3,2 closure

Cleared Roadworks National Highways
Hatfield A1(M) · A1(M) Southbound Between J6 And J4

Cleared 18 hours 55 minutes ago

Started 13 Jun 2026, 21:15 Ended 14 Jun 2026, 04:00

A1(M) Southbound Jct 4 to Jct 2 lane 3,2 closure

Category: Road Maintenance
View update

A1M Northbound Jct 3 Exit Slip Road Lane 1 Closure

Cleared Roadworks National Highways
Hatfield A1(M) · A1(M) J3 Northbound Exit

Cleared 21 hours 50 minutes ago

Started 13 Jun 2026, 21:00 Ended 14 Jun 2026, 01:05

A1M Northbound Jct 3 Exit Slip Road Lane 1 Closure

Category: Construction Work
View update

A1(M) Southbound Jct 4 to Jct 2 lane 3,2 closure

Cleared Roadworks National Highways
Hatfield A1(M) · A1(M) Southbound Between J6 And J4

Cleared 1 day 1 hour ago

Started 13 Jun 2026, 21:00 Ended 13 Jun 2026, 21:35

A1(M) Southbound Jct 4 to Jct 2 lane 3,2 closure

Category: Road Maintenance
View update