This presentation finishes explaining the highly-mobile barrier systems, factors affecting the need for protection, and also device selection considerations. … [Read more...] about Highly-Mobile Barrier Systems to Protect Workers: Wrap-up Session
Barriers (Roads)
Development of an NCHRP Report 350 TL-3 New Jersey Shape 50-Inch Portable Concrete Barrier
For roadside work-zones in areas that have opposing traffic flow, safety is enhanced if the temporary barriers incorporate a glare-shield that blocks headlight glare from oncoming traffic. … [Read more...] about Development of an NCHRP Report 350 TL-3 New Jersey Shape 50-Inch Portable Concrete Barrier
Iowa DOT Standard Road Plans
The standard road plans contained in this manual (commonly referred to as the "Red Book") have been developed to show standardized design features, construction methods and approved materials to be … [Read more...] about Iowa DOT Standard Road Plans
Guidelines for Positive Barrier Use in Construction Zones
The need for positive barriers in construction zones is now based on individual judgment, and there is an expressed need for objective barrier placement criteria. The number, diversity, and … [Read more...] about Guidelines for Positive Barrier Use in Construction Zones
Optimum Design of Pin and Loop Portable Concrete Barrier Connectors
Portable concrete barriers provide positive protection for highway work zones. Since the connection is often structurally the weakest part of the barrier system, connector design is a critical … [Read more...] about Optimum Design of Pin and Loop Portable Concrete Barrier Connectors
International Harmonization of Testing and Evaluation Procedures for Roadside Safety Features – German Testing Procedures
This Circular contains the proceedings of a workshop sponsored by the Transportation Research Board (TRB) Committee A1A04 on Roadside Safety Features and the Federal Highway Administration. The … [Read more...] about International Harmonization of Testing and Evaluation Procedures for Roadside Safety Features – German Testing Procedures