The Assessment of Value for Traffic and Energy from Investment of Under Pass in Bangkok

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Jaran Ratanachotinun

Abstract

The Assessment of traffic and energy investment in the construction of under pass on road intersection in Bangkok is to study the suitability of investment received from the traffic and energy after using under pass. In the example, the under passes used in the analysis found that the construction of under pass in Bangkok with an average cost of about 949, 476 baht/m/under pass. Benefits received from the value of travel time and fuel savings equal to average 18, 377, 011 baht/year/under pass and have an average payback time equals 40.53 years/under pass. Under pass at junction in Bangkok can resolve traffic congestion by giving priority only passenger cars which account for 90 percent of all traffic volume. Traffic condition after using the under pass can help to solve the problem with the average travel speed of traffic condition in the overall average speed about 13.33% increased from before to build under pass. The value of travel time savings from an under pass was 14,137, 337 baht/year/under pass. The value of fuel savings from an under pass was 4,239,674 baht/year/under pass. The value of investment compared with the value of travel time and fuel savings that do not have the suitable investment because there have a long payback period to 40 years. The investment to improve travel in Bangkok should encourage the development of public transportation and mass transit, it is a worthwhile investment and to address the issue of sustainable travel in Bangkok.

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บทความวิจัย