rapid road inspection: photos

Level of severity Extent of damage (default values) What it looks like Road user perception Type of works required
 

 

 

 

Severity 1

Less than 2cm Speed adjusted, possibly over safe speed, to minimize vibration Grading
 

 

 

 

Severity 2

From 2 to 5 cm Speed increased if possible to minimize vibration Gravel resurfacing
 

 

 

 

Severity 3

Over 5 cm Severe vibration. Speed must be reduced significantly Regravelling

 


Indicators for assessing severity of potholes

Level of severity Extent of damage (default values) What it looks like Road user perception Type of works required
 

 

 

 

Severity 1

Small number and small size Perceptible to the road user. Speed reduced to anticipate and negotiate them gravel resurfacing and local compacting
 

 

 

 

Severity 2

Large number or large size Speed reduced significantly when negotiating them Spot regravelling
 

 

 

 

Severity 3

Road surface almost covered Road users pass at walking pace or not at all Spot regravelling or local reconstruction

 


Indicators for assessing severity of longitudinal gullies

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Indicators for assessing severity of lateral gullies

Level of severity Extent of damage (default values) What it looks like Road user perception Type of works required
 

 

 

 

Severity 1

na Vehicle must slow down significantly
 

 

 

 

Severity 2

na Vehicle must be slowed to walking pace
 

 

 

 

Severity 3

na Vehicle stopped to inspect whether or not gully can be crossed

 


Indicators for assessing severity of mud damage

Level of severity Extent of damage (default values) What it looks like Road user perception Type of works required
 

 

 

 

Severity 1

Can be crossed by conventional vehicle
 

 

 

 

Severity 2

Can be crossed using all-wheel drive
 

 

 

 

Severity 3

Road closed or close to it

 


Indicators for assessing severity of dust problems

Level of severity Extent of damage (default values) What it looks like Motor vehicle user perception Type of works required
 

 

 

 

Severity 1

Close windows to overtake
 

 

 

 

Severity 2

  Overtaking unsafe
 

 

 

 

Severity 3