Economic Impact of Access Management Treatments
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2024-08-01
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Edition:Final Report July 2022 –June 2024
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Abstract:Access management is a form of traffic engineering utilized by transportation agencies to improve the safety and efficiency of traffic flow on, off, and between roadways. Access management applies a variety of construction interventions that manipulate how vehicles enter and exit roadways and access the driveways or parking lots of homes and businesses. These roadway interventions have been proven to reduce crashes involving vehicles, cyclists, and pedestrians. However, there is often concern about, or resistance to, these treatments from businesses located near the installation site. In most cases, these concerns are due to risk aversion. Businesses fear the roadway change will inconvenience their patrons, increasing travel distance and time to and from the business. This, in turn, may cause customers to opt for more accessible locations, negatively impacting the sales of businesses located closer to the access management treatment sites. This report focuses primarily on investigating and analyzing whether these concerns over economic impact are legitimate. To do so, the sales data of 230 Louisiana businesses affected by access management treatments were collected from 8 different sites. The final analysis of the aggregated sales trends shows no significant change in sales before and after the installation of access management treatments. In addition, a linear regression model was used to compare sales differences between businesses directly impacted by access management treatments and those in the same approximate location that did not have their accessibility affected by the treatment. The model found no significant differences between the two groups when controlling for regional economic factors. To supplement these findings, 334 surveys of businesses and patrons were conducted across 9 sites. Results from these surveys provide insight into the perceptions of access management treatments along with other factors that influence attitudes toward roadways and access points. On average, the surveys reveal an increase in favorability toward access management treatments for both businesses and patrons. Findings from both the sales tax analysis and perception surveys provide evidence that the installation of access management treatments neither had a negative economic impact on businesses nor created a lasting negative attitude toward access management treatments from businesses and their patrons.
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