Civil Engineering ► Highway & Transportation Engineering ► Design & Functional Classification of Roads and Highways
Classification of Roads Highways |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Advertisements
|
Road classification system groups roads a limited number of clearly defined types. Purpose of Road ClassificationA road network is composed of various types of roads, each of which performs a particular service in facilitating vehicular travel between points of trip origin and destination, and in providing access to property. Road classification is the orderly grouping of roads into systems according to the type and degree of service they provide to the public. Consideration for classification - Factors affecting classification of roadsMany different classification systems have been introduced and used for particular purpose. The basis for some of these classifications is:
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Seldom do these classification system differentiate between roads on basis of service which is is essential for road designer. Design classification systemThis system separates roads;
The eight primary divisions in this system are:
1. Rural and urban:
2. Geometric design:
3. Other variablesAffecting geometric design are;
Road Classification
* UAD100:- Urban, Arterial, Divided, 100km/h (design speed) Freeway is preferred because it is more descriptive of the type of the traffic movement.
Factors affecting highway classificationTo identify the classification to which any road belongs, the following factors should be considered.
|