Assessing public inconvenience in highway work zones.

Griffith, Andrew; Lynde, McGregor · 2002 · ROSA P / Oregon. Dept. of Transportation. Research Unit

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Summary

This study, conducted for the Oregon Department of Transportation (ODOT) and the Federal Highway Administration, addresses the need to understand public perceptions of inconvenience and safety in highway work zones. As construction and maintenance activities increasingly impact traffic flow, ODOT sought to identify specific user priorities to improve planning and mitigation strategies. The research aimed to determine how motorists and truck drivers perceive delays, safety, and information dissemination, providing a benchmark for future policy adjustments. The methodology combined a literature review with qualitative and quantitative data collection. Researchers first conducted six focus groups comprising general motorists, school bus drivers, business owners, emergency vehicle operators, and truck drivers to identify key issues. These insights informed the design of two surveys: a computer-assisted telephone survey of 2,002 motorists stratified by ODOT geographic regions, and a mixed-method survey of 448 truck drivers using intercept surveys at rest areas and telephone interviews. Key findings revealed that while users generally rated ODOT’s management of work zones positively, specific operational issues caused significant inconvenience. Nighttime visibility was a major concern, with users citing poor lighting and difficulty seeing signs, barriers, and workers. Truck drivers specifically identified glare from construction lighting as a primary inconvenience. Regarding delays, motorists expressed a willingness to accept 12- to 15-minute delays, though those in more populated regions experienced longer actual delays and reported lower tolerance. Speed enforcement was universally cited as the most critical area for improvement. Information habits varied by group; motorists relied on television, radio, and newspapers, whereas truck drivers depended heavily on CB radios and construction signs, with low internet usage across both groups. In a hypothetical scenario regarding bridge construction, truck drivers preferred a complete closure with a detour over prolonged daily delays, reinforcing a preference for rapid project completion. The study concludes that addressing specific pain points—such as enhancing nighttime visibility, improving speed enforcement, and aligning information sources with user preferences—can significantly reduce public inconvenience. The authors recommend that ODOT review these identified trends to develop corrective actions and mitigation strategies. By understanding the distinct needs of different user groups, particularly the preference for "get in, get out" project timelines among commercial drivers, transportation agencies can better balance construction efficiency with public satisfaction and safety.

Key finding

Motorists accepted 12- to 15-minute construction delays, while truck drivers preferred a two-month complete closure with a detour over six months of daily 15-minute delays.

Methodology

mixed_methods

Sample size: 2450

Provenance

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Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.

Topics

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• work zones
• emergency work zone conspicuity
• rail grade crossings

Information type

What kind of knowledge this paper contributes, grouped by family — independent of topic (what it is about) and method (how it was studied).

• Empirical Findings: observational prevalence