Hertfordshire M1, M25, A1M works this week as closures set

The full overnight closures come alongside a host of scheduled lane closures which could also affect journey times on the county’s motorways.

See the full list of planned works set to block at least half the lanes of each motorway at certain points overnight (10pm/11pm to 5.30am/6am) below.

M1, M25 and A1(M) road closures in Hertfordshire this week
Upcoming Hertfordshire M25, M1 and A1(M) closures
Hertfordshire M25, M1 and A1M closures set for next week

M25

Monday, February 23

• Clockwise closure of two lanes (of four) between junctions 19 and 20 for roadworks.
• Clockwise exit slip closure at junction 19 for roadworks.
• Clockwise closure of two lanes (of three) at junction 20 for roadworks.
• Clockwise exit slip closure at junction 20 for roadworks.
• Clockwise closure of two lanes (of four) between junction 20 to 21 for roadworks.
• Clockwise entry slip closure at junction 20 for roadworks.
• Anticlockwise closure of three lanes (of four) between junctions 21a and 22 for emergency barrier repair works.
• Anticlockwise exit slip closure at junction 23 for road repairs.
• Anticlockwise exit slip closure at junction 24 for road repairs.
• Clockwise closure of three lanes (of four) between junctions 24 and 25 for roadworks.
• Clockwise closure of two lanes (of four) between junctions 22 and 23 for road repairs.
• Anticlockwise entry slip closure at junction 24 for road repairs.
• Anticlockwise full closure between junctions 25 and 23 for road repairs.

Tuesday, February 24

• Anticlockwise closure of three lanes (of four) between junctions 20 and 19 for roadworks.
• Anticlockwise entry slip closure at junction 20 for roadworks.
• Anticlockwise full closure at junction 20 for roadworks.
• Anticlockwise exit slip closure at junction 20 for roadworks.
• Clockwise closure of two lanes (of four) between junctions 22 and 23 for road repairs.
• Anticlockwise exit slip closure at junction 23 for road repairs.
• Anticlockwise exit slip closure at junction 24 for road repairs.
• Anticlockwise entry slip closure at junction 24 for road repairs.
• Clockwise closure of three lanes (of four) between junctions 24 and 25 for roadworks.
• Anticlockwise full closure between junctions 25 and 23 for road repairs.

Wednesday, February 25

• Clockwise closure of three lanes (of four) between junctions 24 and 25 for roadworks.
• Anticlockwise exit slip closure at junction 23 for road repairs.
• Anticlockwise exit slip closure at junction 24 for road repairs.
• Anticlockwise entry slip closure at junction 24 for road repairs.
• Anticlockwise full closure between junctions 25 and 23 for road repairs.

Thursday, February 26

• Clockwise closure of three lanes (of four) between junctions 21a and 22 for emergency barrier repairs.
• Clockwise closure of two lanes (of four) between junctions 22 and 23 for road repairs.
• Anticlockwise exit slip closure at junction 23 for road repairs.
• Anticlockwise exit slip closure at junction 24 for road repairs.
• Clockwise closure of three lanes (of four) between junctions 24 and 25 for roadworks.
• Anticlockwise entry slip closure at junction 24 for road repairs.
• Anticlockwise full closure between junctions 25 and 23 for road repairs.

Friday, February 27

• Clockwise closure of three lanes (of four) between junctions 21a and 22 for emergency barrier repair works.
• Clockwise closure of two lanes (of four) between junctions 22 and 23 for road repairs.
• Anticlockwise exit slip closure at junction 23 for road repairs.
• Anticlockwise exit slip closure at junction 24 for road repairs.
• Anticlockwise entry slip closure at junction 24 for road repairs.
• Anticlockwise full closure between junctions 25 and 23 for road repairs.

Saturday, February 28

• Anticlockwise closure of three lanes (of four) between junctions 23 and 22 for emergency barrier repair works.

Sunday, February 29

• Anticlockwise closure of three lanes (of four) between junctions 23 and 22 for emergency barrier repair works.

M1

Monday, February 23

• Northbound closure of two lanes (of three) between junctions 5 and 6A for emergency barrier repairs.
• Southbound closure of three lanes (of four) between junctions 10 and 9 for road repairs.

Tuesday, February 24

• Northbound closure of two lanes (of three) between junctions 1 and 6 for roadworks.
• Northbound exit slip closure at junction 5 for roadworks.
• Northbound entry slip closure at junction 5 for roadworks.
• Northbound closure of two lanes (of three) for roadside equipment maintenance.
• Northbound full closure between junctions 6 and 9 for roadworks.
• Southbound closure of three lanes (of four) for roadside equipment maintenance.
• Southbound closure of three lanes (of four) between junctions 10 and 9 for road repairs.

Wednesday, February 25

• Southbound full closure between junctions 9 and 6a for work including technology repairs, drainage, surface repairs and sign cleaning.
• Northbound closure of two lanes (of four) between junctions 6 and 9 for roadside equipment maintenance.
• Southbound closure of three lanes (of four) for roadside equipment maintenance.
• Southbound closure of three lanes (of four) between junctions 10 and 9 for road repairs.

Thursday, February 26

• Northbound full closure between junctions 6a and 9 for work including technology repairs, drainage, surface repairs and sign cleaning.
• Southbound closure of three lanes (of four) between junctions 10 and 9 for road repairs.

Friday, February 27

• Southbound closure of two lanes (of three, becoming four) between junctions 5 and 1 for emergency barrier repairs.
• Southbound closure of two lanes (of three) between junctions 6A and 5 for emergency barrier repairs.
• Southbound closure of three lanes (of four) between junctions 10 and 9 for road repairs.

A1M

Monday, February 23

• Northbound closure of one lane (of two) at junction 7 for emergency barrier repairs.
• Southbound closure of one lane (of two) at junction 7 for emergency barrier repairs.
• Southbound closure of one lane (of two) between junctions 8 and 7 for emergency barrier repairs.

Tuesday, February 24

• Northbound closure of one lane (of two) between junctions 6 and 7 for roadworks.

Wednesday, February 25

• Southbound closure of one lane (of two) at junction 10 for roadworks.

Thursday, February 26

• Southbound closure of one lane (of two) for emergency barrier repairs.

Overnight closures are generally 10pm to 5.30am Monday night to Thursday night and 11pm to 6am weekends