Zhao, M., & Lan, C. L. (2026). Report 26-R48: Emergency Routing Signs Pilot on the I-81 Corridor in the Staunton Area [Research Project Brief] (Report No. 26-R48). Virginia Transportation Research Council (VTRC). https://rosap.ntl.bts.gov/view/dot/92447
Zhao, Mo and Chien-Lun Lan. Report 26-R48: Emergency Routing Signs Pilot on the I-81 Corridor in the Staunton Area [Research Project Brief]. Report no. 26-R48. Virginia Transportation Research Council (VTRC), 2026. https://rosap.ntl.bts.gov/view/dot/92447.
Zhao, Mo, and Chien-Lun Lan Report 26-R48: Emergency Routing Signs Pilot on the I-81 Corridor in the Staunton Area [Research Project Brief]. Virginia Transportation Research Council (VTRC), 2026, Report no. 26-R48, ROSA P. https://rosap.ntl.bts.gov/view/dot/92447.
Research Objectives: Assess how permanently-installed emergency routing signs affect detour activation time, staffing and resources needs, and incident management efficiency. •Evaluate how the signs influence driver route choice during incidents and work zone detours. •Document user experiences and identify opportunities to further improve detour operations.
Traffic incidents on the Interstate 81 corridor account for approximately 77% of all delays, significantly affecting regional mobility and roadway cap
...
Zhao, M., & Lan, C. L. (2026). Report 26-R48: Emergency Routing Signs Pilot on the I-81 Corridor in the Staunton Area [Research Project Brief] (Report No. 26-R48). Virginia Transportation Research Council (VTRC). https://rosap.ntl.bts.gov/view/dot/92447
Zhao, Mo and Chien-Lun Lan. Report 26-R48: Emergency Routing Signs Pilot on the I-81 Corridor in the Staunton Area [Research Project Brief]. Report no. 26-R48. Virginia Transportation Research Council (VTRC), 2026. https://rosap.ntl.bts.gov/view/dot/92447.
Zhao, Mo, and Chien-Lun Lan Report 26-R48: Emergency Routing Signs Pilot on the I-81 Corridor in the Staunton Area [Research Project Brief]. Virginia Transportation Research Council (VTRC), 2026, Report no. 26-R48, ROSA P. https://rosap.ntl.bts.gov/view/dot/92447.
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