Texas DOT tested the opposing traffic lane divider. Designed and evaluated under the Strategic Highway Research Program (SHRP), the device is a small, portable sign with two-way arrows on its face. … [Read more...] about Opposing traffic lane divider
Texas
Allowing work zone staging changes (making the changes of the work zone traffic control setup) at night on high-volume, urban freeways
TxDOT prefers that on high-volume urban freeways the contractors make TCP changes either at night or on weekends, when the traffic volume is lighter. Typically during staging changes and phase … [Read more...] about Allowing work zone staging changes (making the changes of the work zone traffic control setup) at night on high-volume, urban freeways
Work zone speed limit
In Texas: Speed limits are reduced when construction is being done on a highway and activities encroach within 10 ft of the travel way or require a temporary diversion. All types of roadways can have … [Read more...] about Work zone speed limit
Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
In Texas, lanes cannot be closed until 9am, but the devices may be ready along the shoulder. The lane needs to be completely opened by 3pm. … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)
Lane lines in work zones
For standard applications, TxDOT's typical lane line width is 4 inches. Lane lines wider than the typical width are allowed.Using engineering judgment, TxDOT district offices may select to use wider … [Read more...] about Lane lines in work zones
Devices and early warning methods used to reduce hits on low-clearance structures
TxDOT has used high-load detection systems around the state. One system consists of a laser transmitter and receiver installed at clearance height on each side of the road. When the beam is broken by … [Read more...] about Devices and early warning methods used to reduce hits on low-clearance structures