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Published on: January 20, 2023
The M77 Highway: saving lives and money
Evan O T Crane1, Angelica Augustine, Gavin R Tait
1Department of Orthopaedic Surgery, Crosshouse Hospital, Kilmarnock KA2 0BE, UK. evancrane@doctors.org.uk
Upgrading the A77 road to Highway status significantly reduced serious and fatal accidents. This safety improvement offers substantial annual economic savings and will pay for itself within 17 years.
Area of Science:
- Road safety engineering
- Transportation infrastructure analysis
- Economic impact assessment
Background:
- The A77 is a major international route in South West Scotland.
- Road traffic accidents, particularly serious and fatal ones, pose significant societal and economic burdens.
Purpose of the Study:
- To evaluate the impact of upgrading a section of the A77 to Highway status.
- To quantify the reduction in serious and fatal road traffic accidents.
- To assess the economic benefits and cost-effectiveness of the highway upgrade.
Main Methods:
- Comparative analysis of accident data before and after the road upgrade.
- Economic evaluation of accident prevention, including savings in healthcare, emergency services, and productivity loss.
- Cost-benefit analysis of the highway infrastructure investment.
Main Results:
- Significant reduction in the incidence of serious and fatal road traffic accidents on the A77.
- Annual economic savings exceeding £6.1 Million (approximately $12.14 M/€7.96 M) due to accident reduction.
- The highway upgrade, with its central reservation barrier, is projected to be cost-effective, paying for itself in 17 years.
Conclusions:
- The A77 Highway upgrade has demonstrably improved road safety.
- The investment in highway infrastructure provides substantial economic returns through accident prevention.
- The project serves as a model for effective road safety improvements on major routes.
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