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Search and view all scheduled roadworks in Hertfordshire. Updated each weekday, it contains records of lane closures for the next two weeks in and around Hertfordshire. The information in this document is unedited data from the Highways Agency's database of Scheduled Road Works and is offered as an aid to journey planning.

Planned and current roadworks in Hertfordshire

M1, Hertfordshire
Location Jn 6A to Jn 5
Period 21-Aug-2017 to 24-Aug-2017
Effect Slight (less than 10 mins)
Length 2000 metres
Description 2200-0500hrs, Lane 3 closure southbound for electrical works
Location Map: View roadworks location on Google map
512017E,201807N (51.7033492388, -0.378788658497)
M1, Hertfordshire
Location Jn 5 to Jn 6
Period 21-Aug-2017 to 22-Aug-2017
Effect Slight (less than 10 mins)
Length 870 metres
Description 2200-0500hrs, Lane 3,2 closure Northbound for electrical works
Location Map: View roadworks location on Google map
512330E,201047N (51.6964553391, -0.374505455182)
M1, Hertfordshire
Location Jn 5 to Jn 6A
Period 29-Aug-2017 to 30-Aug-2017
Effect Slight (less than 10 mins)
Length 2579 metres
Description 2200-0500hrs, Lane 1 closure northbound for routine maintenance works
Location Map: View roadworks location on Google map
511724E,202720N (51.7116142578, -0.382734708387)
M1, Hertfordshire
Location Boundary to Jct 6
Period 22-Aug-2017 to 23-Aug-2017
Effect Slight (less than 10 mins)
Length 1861 metres
Description 2200-0500hrs Lane 1,2 closure Southbound for routine works
Location Map: View roadworks location on Google map
511706E,202994N (51.7140807183, -0.382907304652)
M1, Hertfordshire
Location Jn 6 to Jn 4
Period 24-Aug-2017 to 25-Aug-2017
Effect Slight (less than 10 mins)
Length 4035 metres
Description 2200-0500hrs, Lane 1 closure, southbound for routine works
Location Map: View roadworks location on Google map
513126E,198069N (51.6695275248, -0.363957108244)
M1, Hertfordshire
Location Jn 5 to Jn 4
Period 21-Aug-2017 to 22-Aug-2017
Effect Slight (less than 10 mins)
Length 3485 metres
Description 2200-0500hrs, Lane 1 closure southbound for routine works
Location Map: View roadworks location on Google map
514791E,195956N (51.6501970704, -0.340582526029)
M1, Hertfordshire
Location Jct 6 northbound exit slip
Period 29-Aug-2017 to 30-Aug-2017
Effect Moderate (10 - 30 mins)
Length 161 metres
Description 2200-0500hrs, exit slip closure, northbound for routine maintenance works. Diversion via Jct 8 and return
Location Map: View roadworks location on Google map
511903E,202017N (51.7052595939, -0.38037044183)
M1, Hertfordshire
Location Jct 6 northbound entry slip
Period 29-Aug-2017 to 30-Aug-2017
Effect Moderate (10 - 30 mins)
Length 186 metres
Description 2200-0500hrs, entry slip closure, northbound for routine maintenance. Diversion via Jct 5 and return
Location Map: View roadworks location on Google map
511823E,202241N (51.7072889921, -0.381455956598)
M1, Hertfordshire
Location Jct 5 Southbound exit slip
Period 24-Aug-2017 to 25-Aug-2017
Effect Moderate (10 - 30 mins)
Length 329 metres
Description 2200-0500hrs, Exit slip closure southbound for routine maintenance works. Diversion via M1 Jct 4
Location Map: View roadworks location on Google map
512744E,198453N (51.6730559493, -0.369355261148)
M1, Hertfordshire
Location Jct 5 Southbound entry slip
Period 24-Aug-2017 to 25-Aug-2017
Effect Moderate (10 - 30 mins)
Length 446 metres
Description 2200-0500hrs, Entry slip closure Southbound for routine maintenance. Diversion via Jct 6 and return
Location Map: View roadworks location on Google map
513134E,198082N (51.6696427651, -0.363837251174)
M1, Hertfordshire
Location Jn 4 to Jn 6
Period 23-Aug-2017 to 24-Aug-2017
Effect Slight (less than 10 mins)
Length 2058 metres
Description 22:00-05:00hrs, Lane 1,2 closure northbound for bridge inspections.
Location Map: View roadworks location on Google map
512881E,198237N (51.6710868962, -0.367444480694)
M1, Hertfordshire
Location Jn 6 to Jn 5
Period 30-Aug-2017 to 01-Sep-2017
Effect Slight (less than 10 mins)
Length 2571 metres
Description 22:00-05:00hrs Lane 1,2 or 2,3 closure southbound for bridge inspections
Location Map: View roadworks location on Google map
512518E,198953N (51.6775955743, -0.372461405437)
M1, Hertfordshire
Location Jn 5 to Jn 6
Period 22-Aug-2017 to 23-Aug-2017
Effect Slight (less than 10 mins)
Length 1024 metres
Description 2200-0500hrs, Lane 1 closure Northbound for electrical works.
Location Map: View roadworks location on Google map
512027E,201731N (51.7026641091, -0.378668415597)
M1, Hertfordshire
Location Jct 6 Northbound Exit Slip
Period 22-Aug-2017 to 23-Aug-2017
Effect Moderate (10 - 30 mins)
Length 211 metres
Description 2200-0500hrs Exit slip closure Northbound for electrical works and cyclic maintenance. Diversion via M1 Jct 8 and return
Location Map: View roadworks location on Google map
511881E,202069N (51.7057313889, -0.380672030455)
M1, Hertfordshire
Location Jct 6 Northbound Entry Slip
Period 22-Aug-2017 to 23-Aug-2017
Effect Moderate (10 - 30 mins)
Length 196 metres
Description 2200-0500hrs Entry slip closure Northbound for electrical works and cyclic maintenance. Diversion via M25 Jct 21A, M1 Jct 6 to Jct 5 and return
Location Map: View roadworks location on Google map
511823E,202243N (51.7073069693, -0.38145531488)
M25, Hertfordshire
Location Jn 19 to Jn 20
Period 22-Aug-2017 to 23-Aug-2017
Effect Slight (less than 10 mins)
Length 678 metres
Description 2200-0500 hrs, Lane 1 closure Clockwise for HADEC 3 Maintenance
Location Map: View roadworks location on Google map
507214E,199266N (51.6814468413, -0.449054976638)
M25, Hertfordshire
Location Jn 18 to Jn 19
Period 21-Aug-2017 to 22-Aug-2017
Effect Slight (less than 10 mins)
Length 822 metres
Description 22.00-05.00hrs Lane 1 closure clockwise for HADEC 3 Maintenance
Location Map: View roadworks location on Google map
504280E,197394N (51.6651717973, -0.492040844403)
M25, Hertfordshire
Location Jn 23 to Jn 22
Period 21-Aug-2017 to 24-Aug-2017
Effect Slight (less than 10 mins)
Length 972 metres
Description 22.00-05.00 hrs Lane 1 closure anti clockwise for Hadecs camera Recertification
Location Map: View roadworks location on Google map
522072E,200549N (51.6899448384, -0.233775429004)
M25, Hertfordshire
Location Jn 24 to Jn 22
Period 04-Sep-2017 to 05-Sep-2017
Effect Slight (less than 10 mins)
Length 4499 metres
Description 2200-0500hrs, Lane 1/2 closure, anticlockwise for Routine Maintenance
Location Map: View roadworks location on Google map
522921E,199924N (51.6841421339, -0.221718023983)
M25, Hertfordshire
Location Jct 23 anticlockwise exit slip
Period 04-Sep-2017 to 05-Sep-2017
Effect Moderate (10 - 30 mins)
Length 238 metres
Description 2200-0500hrs, Slip road closed, anticlockwise for Routine Maintenance. Diversion to Jct 22 return
Location Map: View roadworks location on Google map
522613E,199984N (51.6847487579, -0.226150434599)
M25, Hertfordshire
Location Jct 23 anticlockwise Entry slip
Period 04-Sep-2017 to 05-Sep-2017
Effect Moderate (10 - 30 mins)
Length 201 metres
Description 2200-0500hrs, Slip road closed, anticlockwise for Routine Maintenance. Diversion to Jct 22 return
Location Map: View roadworks location on Google map
522367E,200125N (51.6860697273, -0.229658055305)
M25, Hertfordshire
Location Jct 24 anticlockwise exit slip
Period 31-Aug-2017 to 01-Sep-2017
Effect Moderate (10 - 30 mins)
Length 213 metres
Description 2200-0500hrs, slip road closure, anticlockwise for routine maintenance. diversion to jct 23 return
Location Map: View roadworks location on Google map
526797E,200324N (51.6868752008, -0.165529597234)
M25, Hertfordshire
Location Jn 25 to Jn 24
Period 30-Aug-2017 to 31-Aug-2017
Effect Slight (less than 10 mins)
Length 3422 metres
Description 2200-0500hrs, lane 1/2 closure, anticlockwise for routine maintenance works.
Location Map: View roadworks location on Google map
529074E,200491N (51.6878571975, -0.132543389223)
M25, Hertfordshire
Location M1 Southbound link to M25 Clockwise
Period 22-Aug-2017 to 23-Aug-2017
Effect Moderate (10 - 30 mins)
Length 887 metres
Description 2200-0500hrs Link road closure southbound for routine maintenance works. Diversion via M1 Jct 6, A405 Eastbound to M25 Jct 21A
Location Map: View roadworks location on Google map
511973E,203277N (51.7165712398, -0.3789528236)
M25, Hertfordshire
Location M1 Southbound link to M25 Anticlockwise
Period 22-Aug-2017 to 23-Aug-2017
Effect Moderate (10 - 30 mins)
Length 704 metres
Description 2200-0500hrs Link road closure anticlockwise for routine maintenance. Diversion via M1 Jct 6, A405 eastbound to M25 Jct 21A
Location Map: View roadworks location on Google map
511677E,203191N (51.7158572469, -0.383263783244)
M25, Hertfordshire
Location Jn 19 to Jn 20
Period 23-Aug-2017 to 25-Aug-2017
Effect Slight (less than 10 mins)
Length 2154 metres
Description 2200-0500 hrs, Lane 1 closure, clcokwise for vegetation clearance works
Location Map: View roadworks location on Google map
507463E,200780N (51.6950084403, -0.444988071391)
M25, Hertfordshire
Location Jct 20 Clockwise exit slip
Period 23-Aug-2017 to 25-Aug-2017
Effect Moderate (10 - 30 mins)
Length 352 metres
Description 2200-0500hrs Exit slip road closure clockwise for vegetation clearance works. Diversion via Jct 21A and return
Location Map: View roadworks location on Google map
507491E,201001N (51.6969896225, -0.44451494772)
M25, Hertfordshire
Location Jct 20 Clockwise entry slip
Period 24-Aug-2017 to 25-Aug-2017
Effect Moderate (10 - 30 mins)
Length 362 metres
Description 2200-0500hrs Entry slip road closure clockwise for vegetation clearance works. Diversion via Jct 18 and return
Location Map: View roadworks location on Google map
507758E,201544N (51.7018193699, -0.44048495665)
M25, Hertfordshire
Location M1 Southbound link to M25 Clockwise and Anticlockwise
Period 29-Aug-2017 to 02-Sep-2017
Effect Moderate (10 - 30 mins)
Length 1029 metres
Description 2200-0500 hrs, Link road closures southbound to M25 clockwise and anticlockwise for vegetation clearance works. Diversion to M1 Jct 6, A405 Eastbound to M25 Jct 21A
Location Map: View roadworks location on Google map
511948E,203278N (51.7165852197, -0.379314274239)
M25, Hertfordshire
Location Jn 21 to Jn 21A
Period 31-Aug-2017 to 01-Sep-2017
Effect Slight (less than 10 mins)
Length 1003 metres
Description 2200-0500 hrs, Lane 1 closure clockwise for vegetation clearance works
Location Map: View roadworks location on Google map
511889E,203219N (51.7160666688, -0.380187008564)
M25, Hertfordshire
Location Jct 21A clockwise exit slip
Period 31-Aug-2017 to 01-Sep-2017
Effect Moderate (10 - 30 mins)
Length 749 metres
Description 2200-0500hrs Exit slip road closure clockwise for vegetation clearance works. Diversion via Jct 22 return.
Location Map: View roadworks location on Google map
512275E,203229N (51.716079406, -0.374598097279)
M25, Hertfordshire
Location Jn 20 to Jn 21
Period 04-Sep-2017 to 06-Sep-2017
Effect Slight (less than 10 mins)
Length 1175 metres
Description 22:00hrs to 05:30hrs Lane 1, 2 and 3 closure clockwise for structure maintenance
Location Map: View roadworks location on Google map
507816E,201602N (51.7023295813, -0.439627956198)
M25, Hertfordshire
Location Jct 20 Clockwise entry slip
Period 04-Sep-2017 to 06-Sep-2017
Effect Moderate (10 - 30 mins)
Length 355 metres
Description 22:00hrs to 05:30hrs Entry slip road closure, clockwise for structure maintenance. Diversion to Jct 18 and return.
Location Map: View roadworks location on Google map
507758E,201544N (51.7018193699, -0.44048495665)
M25, Hertfordshire
Location Jn 18 to Jn 20
Period 31-Aug-2017 to 02-Sep-2017
Effect Slight (less than 10 mins)
Length 2915 metres
Description 22:00-05:00hrs Lane 1,2,3 or 4,3,2 closure clockwise for structures inspections and litter picking
Location Map: View roadworks location on Google map
507011E,199055N (51.6795889004, -0.452055082673)
M25, Hertfordshire
Location Jn 20 to Jn 18
Period 01-Sep-2017 to 02-Sep-2017
Effect Slight (less than 10 mins)
Length 4550 metres
Description 23:00-05:00hrs Lane 4,3 closure anti-clockwise for structures inspections and litter picking
Location Map: View roadworks location on Google map
506506E,198553N (51.6751724465, -0.459510349449)
M25, Hertfordshire
Location Jct 20 Anticlockwise entry slip
Period 31-Aug-2017 to 02-Sep-2017
Effect Moderate (10 - 30 mins)
Length 514 metres
Description 22:00-05:00hrs Entry Slip closure Anticlockwise for Structures Maintenance and litter picking. Diversion via A41 Southbound to rejoin M25 via Jct 19 spur
Location Map: View roadworks location on Google map
507561E,201012N (51.6970750873, -0.443498998727)
M25, Hertfordshire
Location Jct 19 Clockwise exit slip
Period 31-Aug-2017 to 01-Sep-2017
Effect Moderate (10 - 30 mins)
Length 1922 metres
Description 22:00-05:00hrs Exit slip closure clockwise for Structures Maintenance and litter picking. Diversion via Jct 20 and A41 South to Jct 19
Location Map: View roadworks location on Google map
507667E,199292N (51.6815938691, -0.442496515615)
A1M, Hertfordshire
Location J6 - 7
Period 04-Sep-2017 to 09-Sep-2017
Effect Moderate (10 - 30 mins)
Length 1216 metres
Description Lane closure southbound 2100 - 0600 hrs due to drainage works
Location Map: View roadworks location on Google map
524326E,218457N (51.8504008146, -0.194768630371)
A1M, Hertfordshire
Location J6 - 7
Period 04-Sep-2017 to 09-Sep-2017
Effect Moderate (10 - 30 mins)
Length 1214 metres
Description Lane closure northbound 2100 - 0600 hrs due to drainage works
Location Map: View roadworks location on Google map
524309E,218453N (51.8503686512, -0.195016779162)
A1M, Hertfordshire
Location Jn 2 to Jn 3
Period 21-Aug-2017 to 23-Aug-2017
Effect Slight (less than 10 mins)
Length 1208 metres
Description 2200-0500 hrs, Lane 1 closure northbound for vegetation clearance works
Location Map: View roadworks location on Google map
521378E,206902N (51.747195708, -0.241597607545)
A1M, Hertfordshire
Location Jct 3 Northbound exit slip
Period 21-Aug-2017 to 23-Aug-2017
Effect Moderate (10 - 30 mins)
Length 382 metres
Description 2200-0500hrs Exit slip road closure northbound for vegetation clearance works. Diversion via Jct 4 and return
Location Map: View roadworks location on Google map
521263E,207177N (51.7496922855, -0.243166855417)
A1M, Hertfordshire
Location J 10- 6
Period 24-Jul-2017 to 25-Aug-2017
Effect Slight (less than 10 mins)
Length 23066 metres
Description Hard shoulder closure northbound and southbound 0930 - 1530 hrs due to signs maintenance
Location Map: View roadworks location on Google map
522257E,226294N (51.9212936042, -0.222017317689)
A1M, Hertfordshire
Location Baldock
Period 29-Aug-2017 to 06-Sep-2017
Effect Slight (less than 10 mins)
Length 593 metres
Description Lane closure southbound 2000 - 0600 hrs due to inspection surevy
Location Map: View roadworks location on Google map
523850E,233720N (51.987681603, -0.196185620923)