Highway Geometric Design

	Question
1	The speed of overtaking and overtaken vehicles are at 70 kmph and 40 kmph respectively. Determine overtaking sight distance. Take This question has 0 answers so far.
0	Define Gradient and its types. This question has 0 answers so far.
0	The maximum quantity of water expected in one of the open longitudinal drains on clayey soil is Design the cross section and longitudinal slope of trapezoidal drain assuming the bottom width of the trapezoidal section to be 1.0 m and cross slope to be 1.0 vertical to 1.5 horizontal. The allowable velocity of flow in the-drain is 1.2 m/sec and Manning's roughness co-efficient is 0.02. This question has 0 answers so far.
0	What is highway drainage? Explain its requirements. This question has 0 answers so far.
0	What is rotary intersection? Explain the design factors of rotary. This question has 0 answers so far.
0	What are grade separated intersection? Explain their advantages. This question has 0 answers so far.
0	What is intersection at grade? Explain the basic requirements of intersection at grade. This question has 0 answers so far.
0	Define unchannelised and channelized intersections. Write a neat sketch, of typical unchannelised and channelized intersections. This question has 0 answers so far.
0	A valley curve is formed by a descending grade of 1 in 25 meeting an ascending grade of 1 in 30. Design the length of valley curve to fulfil both comfort and head light sight distance requirements for a design speed of 80 kmph. Assume allowable rate of change of centrifugal acceleration This question has 0 answers so far.
0	A vertical summit curve is formed at the intersection of two gradients, +3.0 and - 5.0 percent. Design the length of summit curve to provide a stopping sight distance for a design speed of 80 kmph. Assume data as per IRC. This question has 0 answers so far.
0	What is PCU? What are factors affecting PCU values? This question has 0 answers so far.
0	A state highway passing through a rolling terrain has a horizontal curve of radius equal to ruling minimum radius. Design all the geometric features of the curves. Assume: V=80 kmph, No. of lane = 2 and l = 6 m. This question has 0 answers so far.
0	Write a design procedure of evaluating super elevation as per IRC. This question has 0 answers so far.
0	Find the minimum sight distance to avoid head-on collision of 2-cars approaching at 90 kmph and 60 kmph. Given t = 2.5 secs, f = 0.7 and Brake efficiency of 50% in either case. This question has 0 answers so far.
0	Derive an expression for overtaking sight distance. This question has 0 answers so far.
0	Write a note and mention IRC standards: i) Width of formation ii)Right of way-IRC only for open areas. This question has 0 answers so far.
0	List the payment surface characteristics and explain briefly. This question has 0 answers so far.
0	The following data were obtained from the spot speed studies carried out at stretch of highway during a certain period of time. Suggest 1) Speed limit for regulation of traffic. ii) Lower speed group causing congestion. iii) Speed for design of geometric elements. This question has 0 answers so far.