Optimum signal settings when saturation flow falls during the green period
On some traffic-signal approaches it cannot be assumed that saturation flow will remain constant throughout the greater part of the green period. The effect of blocked right-turning movements and of approaches that are wider at the stop line than on the remainder of the approach is to reduce the flow rate over the stop line as the green period proceeds.
KeywordsActual Green Signal Stop Traffic Signal Green Time Saturation Flow
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