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Central Turning Lane Full Length​

Painted central medians separate traffic travelling in opposite directions on undivided roads. This reduces the risk of head-on crashes.

If there is enough room, the median can contain a turn lane that continues along the length of the road, and allows vehicles to turn into driveways or streets on the opposite side of the road without stopping traffic. These lanes are sometimes constructed through the removal of one or more through lanes.

Two-way turning lanes are typically used in busy urban areas with closely spaced access points. A single lane is marked in the centre of the road to provide an area for vehicles travelling in either direction to slow down before turning across traffic into significant driveways. This type of lane also provides a space for drivers of turning vehicles who must wait for an adequate gap in on-coming traffic. In areas where there is pedestrian activity, these lanes may provide some protection to pedestrians crossing the road, and can be coupled with pedestrian treatments such as pedestrian refuge islands to provide added security.

A two way turn lane can also be used as an emergency lane for traffic to bypass crashes and stalled vehicles and can allow emergency vehicles to reach their destination faster.

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

Low

Treatment life

1 year - 5 years

Effectiveness

10-25%

Études de cas

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