Abstract: Studies suggest that a large percentage of traffic congestion occurs during peak hours. Many location-based services and systems today exist that assist traffic routing to maximise on travel time and reduce trip lengths (e.g. Garmin, TomTom). The objective of this study looks at enhancing these systems by adding functionalities and variables that favour fuel savings as well as the shortest route. A system is developed using Open Source GIS (using the PostGIS and pgRouting extensions for the DBMS: PostgreSQL), whereby a number of variables, including weather conditions, road network, traffic status, vehicle specification data, and road gradient are manipulated by the user to achieve shortest and most fuel efficient route. ; peer-reviewed
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