Intervention levels

Carriageway

Please note: at formalised pedestrian crossing points footway interventions shall be used.

Area Requirement Repair timescales
Anti skid Excessive wear in running lane(s) at all safety locations on the carriageway at approaches to controlled crossings or junctions. Within 2 hours
None Within 5 days
None Within 28 days
Pothole Greater than or equal to 100mm deep and at least 300mm wide in all directions Within 2 hours
Greater than or equal to 60mm deep and at least 300mm wide in all directions Within 5 days
Greater than or equal to 40mm deep and at least 300mm wide in all directions Within 28 days
Joints or cracks – parallel to road Greater than or equal to 50mm width and at least 40mm deep. Within 2 hours
Greater than or equal to 35mm width and at least 40mm deep. Within 5 days
Greater than or equal to 25mm width and at least 40mm deep. Within 28 days
Joints or cracks – horizontal to road None Within 2 hours
Greater than or equal to 50mm width and at least 40mm deep. Within 5 days
Greater than or equal to 25mm width and at least 40mm deep. Within 28 days
Heave and rutting (Rapid change in surface creating hump or depression) None Within 2 hours
Heave or rutting greater than or equal to 100mm vertically in a maximum length of 600mm Within 5 days
Heave or rutting greater than or equal to 50mm vertically in a maximum length of 600mm Within 28 days
Fatting (Bitumen excess at road surface) Fatting has occurred or occurring Within 2 hours
None Within 5 days
None Within 28 days
Cattle Grid Cattle grid raised or sunken by greater than or equal to 100mm Within 2 hours
Cattle grid raised or sunken by greater than or equal to 60mm Within 5 days
Cattle grid raised or sunken by greater than or equal to 40mm Within 28 days
Blockwork raised table (Raised paving) Missing block(s) Within 2 hours
Rocking paving blocks across 50% and ramps showing signs of rutting/deformation Within 5 days
Rocking paving blocks across 20% and ramps showing signs of rutting/deformation Within 28 days
Rubber bolt-down speed cushion Missing section/exposed bolts Within 2 hours
Loose bolts Within 5 days
None Within 28 days