A roundabout is provided with an average entry width of 8.5 m, width of weaving section is 14 m, length of the weaving section between channel island is 70 m. The crossing and Total traffic on the weaving section are 1000 and 2000 PCU per hour respectively.
Then which of the following are true.1
Proportionality ratio is 2
2
Capacity of roundabout is 1750 PCU/ hr/lane
3
Proportionality ratio is 0.5
4
Capacity of roundabout is 4373 PCU/ hr/lane