Congestion Pricing for Efficiency and Equity: Theory and Applications to
the San Francisco Bay Area
- URL: http://arxiv.org/abs/2401.16844v1
- Date: Tue, 30 Jan 2024 09:35:02 GMT
- Title: Congestion Pricing for Efficiency and Equity: Theory and Applications to
the San Francisco Bay Area
- Authors: Chinmay Maheshwari and Kshitij Kulkarni and Druv Pai and Jiarui Yang
and Manxi Wu and Shankar Sastry
- Abstract summary: We propose a new class of congestion pricing schemes that minimize congestion levels and incorporate an equity objective.
We evaluate our pricing schemes in the calibrated freeway network of the San Francisco Bay Area.
Our results show that pricing schemes charging differentiated prices to traveler populations with varying willingness-to-pay lead to a more equitable distribution of travel costs.
- Score: 5.056456697289351
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Congestion pricing, while adopted by many cities to alleviate traffic
congestion, raises concerns about widening socioeconomic disparities due to its
disproportionate impact on low-income travelers. In this study, we address this
concern by proposing a new class of congestion pricing schemes that not only
minimize congestion levels but also incorporate an equity objective to reduce
cost disparities among travelers with different willingness-to-pay. Our
analysis builds on a congestion game model with heterogeneous traveler
populations. We present four pricing schemes that account for practical
considerations, such as the ability to charge differentiated tolls to various
traveler populations and the option to toll all or only a subset of edges in
the network. We evaluate our pricing schemes in the calibrated freeway network
of the San Francisco Bay Area. We demonstrate that the proposed congestion
pricing schemes improve both efficiency (in terms of reduced average travel
time) and equity (the disparities of travel costs experienced by different
populations) compared to the current pricing scheme. Moreover, our pricing
schemes also generate a total revenue comparable to the current pricing scheme.
Our results further show that pricing schemes charging differentiated prices to
traveler populations with varying willingness-to-pay lead to a more equitable
distribution of travel costs compared to those that charge a homogeneous price
to all.
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