Civil Engineeiring Transportation Planning & Traffic Engineering

Road classification is the orderly grouping of roads into systems according to the type and degree of service they provide to the public.

A 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... [Read More]

The aim of location survey is to select a route with the following points kept in mind... [Read More]

In general, the sequence of highway location in the urban areas is the same as in rural area i.e. reconnaissance, preliminary location and final location. The location is chiefly dictated by the desired and points of travel, topography, geology and environmental impact...

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To understand the considerations and quantifiable aspects of geometric design consider... [Read More]

The typical cross section provided by AASHTO for a two lane highway is given below.

See fig: Cross Section of a Highway

Lane Width | Media | Shoulders | Side Slopes

Sub Base | Base Course | Surface Wearing Course

Culverts

It is a transverse and totally enclosed drain under a road or railway.

Common Culvert types

Arch | Bridge | Single Pipe | Box | Pipe Arch

Traffic Engineering

Transportation and Highway Engineering Books

Transportation and Traffic Engineering Handbbok

AirPort Design HandBook and Other Collection