Application of a macroscopic transport model in Ho Chi Minh City

  • Nguyen H
  • Nguyen H
  • Embeger C G
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Abstract

Ho Chi Minh City (HCMC) is the largest metropolitan area in Vietnam. Thank to the economic development, urbanisation has been occurring very fast over the last few decades in this city. Transport is now an issue, like traffic congestion and air pollution. The application of simulation models to support transport planning tasks is still at early stage in Vietnam. This paper describes the process of building a model, MARS – a dynamic landuse and transport integrated simulation tool – for Ho Chi Minh City. Though socio-economic and transport data in HCMC is short, the model was calibrated and validated. Then it was used to test various scenarios based on transport masterplan of HCMC and found out that HCMC is not able to reach the defined objectives laid down by the authority. 1. BACKGROUND For the past two decades, the urbanisation in Ho Chi Minh city have been happaning rapidly. Nevetheless, the development of infrastructure in general and transportation system in particular is always far behind the growth of population, leading to a heavy burden for the city. The city has officially some 7.2 million inhabitants (year 2009), nearly 8 million inhabitants 2011 though unofficial estimations are in between 10 to 12 million people and population is growing steadily at the rate of 3% per year. The city area comprises about 2095 km 2 and the land allocated for transportation is almost unchanged, approximately 7% of city area. The GDP per head in 2007 was around 2,600 US$ per capita. Now, transport situation in Ho Chi Minh city is worsening over the time. Traffic congestion is one of six " hot " problems which the local governmnet made the priority. At present modal split for trips is 3-5% pedestrians, 1-3% cycling, around 6% public transport, 9-11% private car and the rest of more than 80% is based on motorcycles. The car motorisation rate was 60 cars per 1000 inhabitants (base year 2008) with a growth rate of 16% per annum. The motorcycle ownership is about 390 motorcycles per 1000 inhabitants with a growth rate of 8% per year (Nguyen and Doan, 2011). These are internationally seen very high growth rates compared to others such as Europe ~1% to 2% p.a., USA ~1% p.a., India and China ~7% to 8% p.a. The high motorisation in combination with low infrastructure provision lead to increasing congestion levels and a deterioration of quality of life in HCMC. The public transport system, which presently counts for only one tenth of all trips is bus based and

Author-supplied keywords

  • dynamic integrated model
  • motorcycle traffic
  • sustainable development

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Authors

  • Hien Q Nguyen

  • Hoang B Nguyen

  • Guenter Embeger C

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