The effect of fuel prices on traffic flows: Evidence from New South Wales

Tong Zhang () and Paul Burke ()

CAMA Working Papers from Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University

Abstract: Understanding how traffic flows respond to fuel price changes is useful for traffic management. This study uses a dataset of 11.9 million hourly observations from 118 traffic count stations over 2010–2017 to investigate the relationship between the gasoline price and traffic flows in the state of New South Wales, Australia. The findings suggest that higher gasoline prices reduce traffic flows, with an average effect size of –0.04 in the hourly estimates. The elasticity is particularly pronounced during off-peak periods, both on weekdays (–0.10) and weekends (–0.07). In contrast, a positive effect of gasoline prices on traffic flows is observed for peak periods on weekdays (0.06). Evidence is also obtained that afternoon peak-hour speeds are faster when gasoline prices are higher, consistent with a lowering of traffic density. The research also finds a negative price elasticity of gasoline demand and that people are more likely to use public transport when gasoline prices are higher. The findings suggest that fuel excise plays a role in both reducing overall road dependence and alleviating the severity of some peak-hour traffic jams.

Keywords: gasoline price; traffic flow; speed; road transport; public transport (search for similar items in EconPapers)
JEL-codes: Q41 Q43 R41 (search for similar items in EconPapers)
Pages: 38 pages
Date: 2020-10
New Economics Papers: this item is included in nep-ene, nep-tre and nep-ure
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Citations: View citations in EconPapers (10)

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https://cama.crawford.anu.edu.au/sites/default/fil ... 0_burke_zhang1_0.pdf (application/pdf)

Related works:
Journal Article: The effect of fuel prices on traffic flows: Evidence from New South Wales (2020)
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Persistent link: https://EconPapers.repec.org/RePEc:een:camaaa:2020-86

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