Highway Maintenance Treatment Types
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Abbreviation
| Description | Purpose |
| Surface Dressing | Covering the carriageway with stone chips embedded in bitumen. | To seal the surface, improve skidding resistance and restore visual/ride quality mainly in Rural areas. |
MicroAsphalt
|
Covering the carriageway with a veneer of cold laid surfacing material. |
To seal the surface, improve skidding resistance and restore visual/ride quality mainly in Urban areas. |
Haunching |
Excavating the edge of the carriageway to about 500mm depth and replacing the materials with a new road structure. |
To strengthen the road edge where it has failed, often prior to surface dressing or resurfacing. |
Resurfacing/Overlay
|
Covering the carriageway with a minimum thickness of 40mm of dense hot laid surfacing material. |
To replace a failed surface which is not suitable for Micro suirfacing or Surface dressing. Resurfacing restores ride quality, skidding resistance and can reduce noise. |
Reconstruction
|
Excavating the carriageway to about 500mm depth and replacing the materials with a new road structure. |
To replace a failed road structure. |
Retread |
Rotovating the carriageway to a shallow depth, applying additional bitumen and compacting. |
To reuse existing materials from the failed road to form a new construction which can be surface dressed or resurfaced. |
Recycling |
In-depth recycling, remixing the existing carriageway to 500mm+ and mixing with either cement or bitumen. |
To reuse existing materials from the failed road to form a new construction which can then be resurfaced. |
Footway Slurry Sealing
|
Covering the footway with a veneer of cold laid surfacing material. |
To seal the surface and restore visual/overall quality. |
Footway Reconstruction |
Excavating the footway to about 200mm depth and replacing the materials with a new structure. |
To replace a failed footway structure. |
Drainage |
Providing an improved or new drainage system. |
To remove water from the carriageway or relieve flooding. |
Contact Us |  |
If you have any queries or would like to request more information please contact us at the following address:
Network Management Group,
Old Budbrooke Road,
Warwick
CV35 7DP
...
Tel: 01926 414081
Fax: 01926 414091
e-mail CountyHighways@Warwickshire.gov.uk
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