In: Civil Engineering
What do you think are the key issues to consider in designing a road or highway? 10 sentences
While designing of road alignment designer have to consider several issues such a that road construction become economical and also comfortable to passengers and vehicles some of them discussed below.
1.Speed
Designing speed is consider while designing of road alignment it speed at which vehicle should pass from curves and vally without slip and rolling.
2.sight distance
There are Overtaking sight distance , stoping sight distance and intermegiate sight distancecalculated while designing because vehicle should approch from road sefely without collision with other vehicle .
3.Type of road
While designing of road designer should consider which type of road it is means village road, district road, state highway, national highway, express highway according to that the dimensions of road elements is decided.
4.Economy and envornmental impact
Road alignment should not passes through dense forest. It should cross minimum rivers and vallies because it reduce the cost of cross drainage work. Road should give maximum connectivity to the cities.
5.Element content in the road
Means road have different elements like curbs, lighting facilities, cycle tracks, pedestrian tracks, signal system it should be consider while designing of the road.
6.Traffic density and volume
Traffic density and volume survey of road is, done before designing and this data used for designing of various elements of road and duration of one phase of signals and traffic regulators, lanes of roads etc.
7.designing life of road.
Designing life of road should consider while designing of road and on basis of that materials should selected. Elements of road should design for fulfill need of future traffic volume. Traffic volume is forcasted by various methods.
8.Sefty of road users.
It is one of the prime consern keep in mind while design of alignment so before design of road various accidental studies done and conflict points also find out and after that designing of road is done.