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Continuing Project to Synthesize Information on Highway Problems: 2015  (2014)

Continuing Project to Synthesize Information on Highway Problems: 2014  (2014)

Continuing Project to Synthesize Information on Highway Problems: 2011  (2011)

Continuing Project to Synthesize Information on Highway Problems: 2012  (2012)

Continuing Project to Synthesize Information on Highway Problems: 2013  (2013)

Continuing Project to Synthesize Information on Highway Problems: 2018  (2018)

Continuing Project to Synthesize Information on Highway Problems: 2017  (2017)

Continuing Project to Synthesize Information on Highway Problems  (2007)

Continuing Project to Synthesize Information on Highway Problems  (2005)

Continuing Project to Synthesize Information on Highway Problems  (2007)

Continuing Project to Synthesize Information on Highway Problems: 2009  (2009)

Continuing Project to Synthesize Information on Highway Problems: 2010  (2010)

Safety Research for a Changing Highway Environment: Special Report 229  (1990)

Design Guidance for High-Speed to Low-Speed Transitions Zones for Rural Highways  (2012)

Highway Safety Manual Training Materials  (2012)

Changeable Message Sign Displays During Non-Incident, Non-Roadwork Periods  (2008)

Improving the Compatibility of Vehicles and Roadside Safety Hardware  (2004)

Implementing Race-Neutral Measures in State Disadvantaged Business Enterprise Programs  (2011)

Accelerating Implementation of Transportation Research Results  (2014)