Motorcycles comprise nearly 30% of the traffic flow in most highways in Sri Lanka. The rapid increase in motorcycle usage has led to a significant increase in the number of motorcycle related accidents and fatalities. The ...

With the increasing demand for transport means, new technological vehicles and heavy loads carrying vehicles are used by people, in order to take the financial advantage. Consequently most of the commercial vehicles plying ...

Safety is one of the main functional requirements of expressways which are designed to operate at 100km/h. One of the key considerations in providing safety is ensuring adequate frictional performance especially during wet ...

Use of concrete paver blocks is becoming increasingly popular. They are used for the paving of approaches, paths and parking areas including their application in pre-engineered buildings and pavements. Interlocking Concrete ...

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 ...

Passenger Car Unit (PCU) or Passenger Car Equivalent (PCE) is defined as the number of passenger cars displaced in the traffic flow by any other vehicle mode under the existing roadway and traffic conditions. PCU value is ...

Traffic congestion due to increasing number of vehicles and pedestrians is one of the major problems that need to be tackled especially in urban areas. Numerous methods are available to reduce delays and financial losses ...

Passenger Car Unit (PCU) or Passenger Car Equivalent (PCE) is a metric used in Transportation Engineering, to assess traffic-flow rate on a road or an intersection. A Passenger Car Equivalent is essentially the impact that ...

Prime coat application is a necessary activity in road constructions. The main function of the prime coat is to seal capillary voids in the base course surface to prevent migration of moisture to the base course and ...

The optimum compaction is required to provide an effective path to enter energy into unbound material under its Optimum Moisture Content (OMC). To achieve the optimum energy level, the relationship between OMC, Maximum Dry ...