plants polluted with pb produced by automobiles along the roads and highways have extensively been reported all over the world. it is the most important source of pollution in the environment. this research was carried out to determine the polluting degree of plants along the highways such as: rasht-anzaly, kelachay-ramsar, tehran-karaj, and isfahan-tehran. at each arbitrary point, a transect 1...

The performance and availability of modern 3D laser scanning systems has created a demand for a system that can survey many kilometres of highway very rapidly. Airborne laser scanning can offer this type of data but aircraft operations are expensive. Tunnels and bridges can be analysed from the bottom up. The StreetMapper mobile laser scanning system was developed initially to fill a demand for...

Road Traffic Accidents are a major cause of disability and death throughout the world. The control of intelligent vehicles in order to reduce human error and boost ease congestion is not accomplished solely by the aid of human resources. The present article is an attempt to introduce an intelligent control system based on RFID technology. By the help of RFID technology, vehicles are connected t...

Usually, selection of a highway alignment depends on an economical route that minimizes alignment sensitive costs, such as construction cost, user cost, right-of-way cost, and earthwork cost. Most of the available highway alignment optimization algorithms do not consider traffic assignment and distribution of traffic as a result of the new road network consisting of the new alignment as well as...

This annotated bibliography summarizes studies of the rural economic development implications of highway investment. Primary emphasis is on research dealing with rural areas, but some urban studies are also cited. Topics covered include the aggregate economic effects of highway investment, the effects of highway investment on business location decisions and employment expansion, the effects of ...