Three full-scale vehicle crash tests were conducted according to the Manual for Assessing Safety Hardware (MASH) Test Level 3 (TL- 3) safety performance criteria on a transition between the Midwest … [Read more...] about Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Temporary Concrete Barriers
Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier
Portable concrete barrier (PCB) systems are often used to redirect errant vehicles through a combination of inertial resistance, lateral friction loads, and tensile loads developed from the mass and … [Read more...] about Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier
Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Often, road construction causes the need to create a work zone. In these scenarios, portable concrete barriers (PCBs) are typically installed to shield workers and equipment from errant vehicles as … [Read more...] about Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
This guideline highlights use of a low-profile concrete barrier (LPB) in low to moderate speed work zones. The low profile barrier enhances line of sight for drivers, especially where work zones and … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
September 2015 Introduction Transportation agencies consider or specify the use of positive protection devices on a variety of project types. Some of the most common needs for protection … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones
Work Zone Positive Protection Guidelines for Idaho
The Code of Federal Regulation (CFR) Title 23 Part 630 Subpart K - Temporary Traffic Control (630.1102–630.1110) rule states that positive protection shall be considered where work zone conditions … [Read more...] about Work Zone Positive Protection Guidelines for Idaho