Browsing TRF - 2014 by Author "Perera, L"

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  • An approach to estimate the vehicle travel time on un-signalized two lane roads 
    Galappaththi, GS; Perera, L; Bandara, JMSJ [Conference-Abstract]
    Reliable travel time estimation for a given route is important in transport planning. Even though the developed countries in the world have different methods of forecasting travel time from a simple road network to a complex ...
  • Assessing the appropriateness of providing separate openings for U-turns at signalized intersections 
    Jayasooriya, N; Perera, L; Bandara, JMSJ [Conference-Abstract]
    Generally the right turns along with the U turns is one of the main contributory factors for the delays at signalized intersections. If any intersection is experiencing a high amount of U turns, the effective time that can ...
  • Trends in heavy vehicle crashes in Sri Lanka 
    Devasurendra, KW; Perera, L; Bandara, JMSJ [Conference-Abstract]
    Around 2,250 number of people die annually in Sri Lanka from road accidents. In 2013, the heavy vehicle percentage of the country is 8% but its involvement in fatal crashes is 21%. Therefore it is evident that heavy vehicles ...