Barrier and shadow vehicles generally provide Caltrans maintenance workers protection from errant vehicles entering the work zone from the upstream direction of traffic flow. This type of protection … [Read more...] about Crashworthiness Testing of a Portable Maintenance Work-Zone Barrier
Crash Tests
MASH Test 3-11 of the TxDOT Portable Type 2 PCTB with Sign Support Assembly
Portable concrete traffic barriers (PCTBs) are commonly used in work zones or in temporary median barrier applications. PCTBs are needed for separation and channelization of vehicle movement and … [Read more...] about MASH Test 3-11 of the TxDOT Portable Type 2 PCTB with Sign Support Assembly
Safety Performance of Work-Zone Devices Under MASH Testing
As a part of the four-hour webinar hosted by the Smart Work Zone Deployment Initiative (SWZDI) on July 26, 2010, which presented the results of notable recently completed SWZDI projects, this … [Read more...] about Safety Performance of Work-Zone Devices Under MASH Testing
Improving Work Zone Safety: Why You Should Consider Longitudinal Channelizing Devices (LCDs)
Prepared by the Water Barrier Manufacturers Association, the purpose of this paper is to educate transportation departments, consulting engineers, and others on the safety benefits of Longitudinal … [Read more...] about Improving Work Zone Safety: Why You Should Consider Longitudinal Channelizing Devices (LCDs)
Manual for Assessing Safety Hardware, Second Edition
This manual encourages consistency in testing and evaluation of roadside safety features. It includes a new matrix for cable barrier testing on slopes, modifications to several test vehicle … [Read more...] about Manual for Assessing Safety Hardware, Second Edition
An Easy to Use Pinned-Down Temporary Concrete Barrier with Limited Deflections
In work zones where the space available for placing a temporary concrete barrier is very limited, for example bridge replacement projects, the barrier must be strictly restrained to prevent lateral … [Read more...] about An Easy to Use Pinned-Down Temporary Concrete Barrier with Limited Deflections