The Optimal Mix of Pricing and Infrastructure Expansions to Alleviate Traffic Congestion and In-Bus Crowding in Grand Casablanca

44 Pages Posted: 28 Aug 2018

See all articles by Alexandros Anas

Alexandros Anas

State University of New York at Buffalo

Sayan De Sarkar

SUNY at Buffalo, College of Arts & Sciences, Department of Economics

Govinda R. Timilsina

World Bank - Development Research Group (DECRG)

Date Written: June 28, 2018

Abstract

Like in many large cities in developing countries, traffic in Grand Casablanca, Morocco, is congested and public buses are crowded. These conditions are alleviated by a combination of supply-side infrastructure expansions, such as more buses and new road capacity, and demand-side pricing instruments, such as parking and fuel taxes. Using an empirical urban transportation mode choice model for Casablanca, this study finds a mix of these expansion policies and pricing instruments to alleviate congestion and maximize aggregate social welfare. The optimal mix is sensitive to the marginal costs of the infrastructure expansions. If the city were to spread out in its periphery where land constraints do not exist and land is available at lower prices, a supply-side instrument, particularly the optimal expansion of roads, would be far more effective in achieving welfare gains than the use of optimal pricing instruments without new roads. By contrast, if the city were to densify in already built-up areas, land and other physical constraints and the high price of land may leave expensive ?elevated roads? as the only option. In this case, demand-side instruments together with the elevated roads would equally contribute to reduce traffic congestion and in-bus crowding.

Keywords: Intelligent Transport Systems, Services & Transfers to Poor, Economic Assistance, Access of Poor to Social Services, Disability, Transport Services, Transport in Urban Areas, Urban Transport, Transport Economics Policy & Planning

Suggested Citation

Anas, Alexandros and De Sarkar, Sayan and Timilsina, Govinda R., The Optimal Mix of Pricing and Infrastructure Expansions to Alleviate Traffic Congestion and In-Bus Crowding in Grand Casablanca (June 28, 2018). World Bank Policy Research Working Paper No. 8501. Available at SSRN: https://ssrn.com/abstract=3238340

Alexandros Anas (Contact Author)

State University of New York at Buffalo

Amherst, NY 14260
United States

Sayan De Sarkar

SUNY at Buffalo, College of Arts & Sciences, Department of Economics ( email )

Buffalo, NY 14260
United States

Govinda R. Timilsina

World Bank - Development Research Group (DECRG) ( email )

1818 H Street NW
MSN3-311
Washington, DC 20433
United States

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