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Roadside Safety - Sideslope Improvements

Sideslope improvements include measures to reduce the gradient of the embankment or roadside slope adjacent to the carriageway and also the removal of any hazardous objects that are located within that area.

Sideslope improvement will reduce the likelihood of a vehicle rollover in run-off road/loss of control crashes and may also reduce the severity of these types of crashes. Generally flatter sideslopes are safer. A sideslope is considered to be traversable if an errant vehicle can recover and return to the roadway while keeping all wheels in contact with the ground.

If the slope cannot be made traversable and clear of hazards, it should be protected (for example, with the use of safety barriers). In these cases, the geotechnical properties of the sideslope material (soil, rock etc.) should be considered.

le Démonstrateur de classement par étoiles est un outil disponible gratuitement avec le logiciel en ligne iRAP, ViDA. Avec le Démonstrateur de classement par étoiles, il est possible d'explorer l'impact que ce traitement des routes plus sûres a sur le risque.

Treatment Summary

Costs

Medium

Treatment life

20 years +

Effectiveness

10-25%

Études de cas

Aucune étude de cas connexe à ce stade

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