Category: transport engineering

Algorithms in self-driving cars need to be calibrated according to differing road conditions in each locality

June 4, 2019

Self-driving cars possess a multitude of sensors capable of gaining an understanding of the immediate area around the car. This helps the self-driving algorithm anticipate possible events on the road as well as in making decisions concerning speed, change of lane, and stopping. However, given that road conditions differ in each locale, the algorithms powering … More Algorithms in self-driving cars need to be calibrated according to differing road conditions in each locality

Speed restricted autonomous vehicles may alter traffic flow patterns

March 4, 2019

Autonomous vehicles tend to operate within speed limits more stringent than those of normal vehicles. For example, the speed limit of autonomous vehicles may be 40 km/h, which is slower than the speed limit of most roads around the world, which is 50 km/h. Imagine a world where an autonomous fleet of vehicles co-exist alongside … More Speed restricted autonomous vehicles may alter traffic flow patterns

Demand modelling of public transport system

February 13, 2018

Data generated by electronic ticketing system used in public transport services could be used in understanding and modelling the demand characteristics for rail and bus services; thereby, helping to better manage demand surge during peak hours.   Specifically, electronic ticketing system in public transport system could capture important information such as the demand for specific … More Demand modelling of public transport system

Downtime on segments of transport network reveals resilience of system in capacity provision

January 29, 2018

Capacity planning of transport system is critical to overall smooth operation of the network. However, demand for public transport remains unpredictable given many factors that could impact on people’s choice of transport at different times of the day. Hence, reserve capacity is usually built into the transport system in the form of double decker buses … More Downtime on segments of transport network reveals resilience of system in capacity provision