The environmental assessment process involves the prediction of changes over time in various environmental aspects as a result of a proposed project. The prediction of the nature, extent, and magnitude of environmental ...

Road accidents have become a normal and re-occurring phenomenon from the beginning of the operation of the expressway up to this date. This study focuses on analyzing the data collected by the Expressway Operation Maintenance ...

Determining of the pavement life under given structural, environmental, and traffic conditions is considered as one of the main objectives in the pavement design and analysis. Studies in pavement engineering have shown ...

Sri Lankan transport network achieved a significant development during the last decade by utilizing foreign concessions and local government funds for expressway development. Road Development Authority holds the authority ...

The peak flow estimation at Highway -Waterway intersects has substantial effects on Hydraulic design aspects of culverts and bridges. Fair and accurate estimation of peak flow would be the basis in deciding the size of ...

In Sri Lanka, rural roads are not specifically designed on technical requirements. Most of the rural roads (C and D classes) have historical backgrounds as being tracks and trails coming even beyond the colonial times. ...

Road Construction & Development Co. (Pvt) Ltd is one of biggest companies in the highway sector in Sri Lanka. It works throughout the island. Presently it has a costing system but it has several shortcomings. Because of ...

Southern Expressway is the first E class highway in Sri Lanka currently spanning from Kottawa to Godagama. This expressway is 126.1 kilometers long from Kottawa to Godagama. In most expressway projects, service area which ...

Pedestrian facilities can be defined as walkways, pedestrian crossings, under passes, over passes and guard fences etc. In Sri Lanka, designing of highways has been mostly confined to providing the facilities for vehicular ...

The development of corrugation along longitudinal profile is one of the most common failures in asphalt pavement. The corrugation distresses are usually more severe in road sections with high longitudinal slope than sections ...