oa Civil Engineering = Siviele Ingenieurswese - Lagging versus leading green right turn arrows
|Article Title||Lagging versus leading green right turn arrows|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Affiliations||1 Transportation and Traffic Technology Africa|
|Publication Date||Aug 1977|
|Pages||19 - 21|
At an intersection, the right turn is the movement with the highest accident potential and the lowest capacity. At the majority of intersections, right-turners must take gaps in opposing traffic. At a signalised intersection, drivers may be presented with a flashing green arrow to aid the right turn. The SADC Road Traffic Signs Manual (RTSM) describes the decision as whether or not to install a protected right-turn stage as the single most important factor when designing a signalised intersection.
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