Road shape, drainage, material and routine maintenance have to work together.
Improving a gravel road usually starts with restoring the crown or crossfall so water leaves the surface, reopening side drains and culverts, correcting erosion, regrading and adding suitable gravel where the wearing course has been lost. Heavier traffic or weak formation may justify targeted stabilisation or more substantial rehabilitation.
A smooth road that traps water can deteriorate rapidly. Shape and drainage should be restored together.
Recording which segments repeatedly corrugate, rut or wash away helps move maintenance from reactive grading toward targeted rehabilitation.
There is no universal interval. Traffic, material, weather, road geometry, drainage and service standard determine the appropriate maintenance cycle.
FB-033Localised surface-patch repair service for suitable shallow asphalt defects.
FB-034Deeper pothole repair involving removal and reinstatement of failed pavement material.
FB-035Pavement base reconstruction service before reinstatement of the surface.
FB-036Routine gravel-road regrading to restore profile and drainage paths.
FB-037Gravel-road rehabilitation with re-sheeting and compaction as specified.
FB-038Stormwater crossing and drainage package illustrated by a twin-pipe culvert.
FB-039Road-edge and shoulder reinstatement to restore pavement support and drainage.
FB-040Local drainage intervention illustrated by a box crossing and lined channel.
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