Roger P. Bligh
- Transition from Guardrail to Concrete Bridge Rail for Low-Speed Roadways. Dans: Transportation Research Record: Journal of the Transportation Research Board, v. 1904, n. 1 (janvier 2005). (2005):
- Transitions from Guardrail to Bridge Rail That Meet Safety Performance Requirements. Dans: Transportation Research Record: Journal of the Transportation Research Board, v. 1720, n. 1 (janvier 2000). (2000):
- Evaluation of Recycled Content Guardrail Posts. Dans: Journal of Transportation Engineering, v. 128, n. 2 (mars 2002). (2002):
- Commingled Plastic Guardrail Post. Dans: Journal of Transportation Engineering, v. 121, n. 2 (mars 1995). (1995):
- Performance of Guardrail Systems Encased in Pavement Mow Strips. Dans: Journal of Transportation Engineering, v. 131, n. 11 (novembre 2005). (2005):