# GATE Questions & Answers of Types of Intersections and Channelization

## What is the Weightage of Types of Intersections and Channelization in GATE Exam?

Total 5 Questions have been asked from Types of Intersections and Channelization topic of Traffic Engineering subject in previous GATE papers. Average marks 1.20.

A well-designed signalized intersection is one in which the

A priority intersection has a single-lane one-way traffic road crossing an undivided twolane two-way traffic road. The traffic stream speed on the single-lane road is 20 kmph and the speed on the two-lane road is 50 kmph. The perception-reaction time is 2.5 s, coefficient of longitudinal friction is 0.38 and acceleration due to gravity is 9.81 m/s2. A clear sight triangle has to be ensured at this intersection. The minimum lengths of the sides of the sight triangle along the two-lane road and the single-lane road, respectively will be

vehicales arriving at an intersection from one of the approach roads follow the poisson distribution. The mean rate of arrival is 900 vehicales per hour. If a gap is defined as the time difference between two successive vehicale arrivals (with vehicales assumed to be points), the probability (up to four decimal places) that the gap is greater than 8 seconds is _______________

The saftey within a roundabout and the efficency of a roundabout can be increased, respectively, by