Information provided below is from an email survey conducted in 2008 __________________ Texa DOT uses only proprietary high-tension cable median barrier. TxDOT follows manufacturer guidelines … [Read more...] about Maintenance guidelines for cable barrier systems
Texas
Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices
Texas work zone devices are most often removed opposing traffic flow. Retrieving devices with the flow of traffic is encouraged only when all necessary shadow vehicles, truck-mounted attenuators, and … [Read more...] about Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices
Sand barrels in work zones
Texas's Design Details for Vehicle Impact Attenuators (Sand Modules) can be found on the web site below. The state applies the same details to permanent or work zone installations. … [Read more...] about Sand barrels in work zones
Changing light bulbs on overhead signs
Texas DOT does not have a hard policy requiring lane closures for replacing lamps on overhead signs. However, the types of facilities (high-speeds, often high-volume) where these signs are located … [Read more...] about Changing light bulbs on overhead signs
Know Your Vital Signs
In the mid-1990s, TxDOT, backed by TTI research, changed its practice for selection and use of more than a dozen traffic control devices. The department also changed the design of several other signs. … [Read more...] about Know Your Vital Signs