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Diffusing innovative road safety practice: A social network approach to identifying opinion leading U.S. cities
Seth LaJeunesse1, Stephen Heiny1, Kelly R Evenson2
1a University of North Carolina at Chapel Hill, Highway Safety Research Center , Chapel Hill , North Carolina.
Traffic Injury Prevention
|January 26, 2019
Summary
Road safety professionals across the U.S. form a national network, identifying key cities that lead in safe transportation systems. This network facilitates the spread of effective road safety practices nationwide.
Area of Science:
- Transportation Safety
- Public Health
- Urban Planning
Background:
- Safe transportation systems are crucial for public well-being.
- Identifying influential hubs can accelerate the adoption of best practices.
Purpose of the Study:
- To identify opinion-leading U.S. cities in safe transportation systems.
- To map the network of road safety professionals' advice-seeking patterns.
Main Methods:
- Purposive sampling of road safety professionals (n=183).
- Social network analysis to map intermunicipal advice-seeking.
- Identification of opinion-leader and boundary-spanning municipalities.
Main Results:
- A significant intermunicipal network for road user safety was identified.
- 50.4% of network connections crossed regional U.S. census boundaries.
- 7 opinion-leader and 4 boundary-spanning municipalities were identified.
Conclusions:
- A country-spanning network exists among road safety professionals.
- This network facilitates the spread of evidence-based road safety practices.
- Researchers and intervention teams can leverage this network for broader impact.
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