- AASHTO MASH Implementation
- AKD20 TRB Committee on Roadside Safety Design
- American Association of State Highway and Transportation Officials (AASHTO)
- American Road and Transportation Builders Association (ARTBA)
- American Traffic Safety Services Association (ATSSA)
- Fatality Analysis Reporting System (FARS)
- FHWA MASH & NCHRP 350 Approved Systems
- Federal Highway Administration (FHWA)
- FHWA FAQ’s
- Gregory Highway Products
- Interstate Steel
- MASH Hardware Tested
- Midwest Roadside Safety Facility
- National Cooperative Highway Research Program (NCHRP) – Current Projects
- National Highway Traffic Safety Administration (NHTSA)
- R.G. Steel Corporation
- Safe Direction (Australia)
- State DOT Web Sites (All 50)
- Task Force 13
- Transportation Research Board (TRB)
- TTI Pooled Fund Projects
- Turner Fairbank Highway Research Center
- Universal Industrial Sales
- Work Zone Clearinghouse