Multiple choice

Design parameters for a signalised intersection are shown in the figure below. The green time calculated for major and minor roads are 34 and 18 s, respectively. The critical land volume on the major road changes to 440 vehicles per hour per lane and the critical lane volume on the minor road remains unchanged. The green time will

  1. increase for the major road and remain same for the minor road

  2. increase for the major road and decrease for the minor road

  3. decrease for both the roads

  4. remain unchanged for both the roads
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