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Road Zipper E-Newsletter Summer 2017

Moveable Barrier Creates Safety and Efficiency in Indiana

Moveable Barrier Creates Safety and Efficiency in Indiana

In Indiana, sections of I-65 are undergoing concrete restoration in a short 1-mile work zone that moves north as the work progresses.  The construction work includes full and partial depth patches and replacing terminal joints with asphalt.  While construction workers were originally separated from traffic by cones and plastic barrels...

QMB-RTS Passes MASH TL-3

QMB-RTS Passes MASH TL-3

Lindsay Transportation Solutions has announced that its QuickChange® Moveable Barrier Concrete Reactive Tension System (QMB-CRTS) meets crash test and evaluation criteria contained in the American Association of State Highway and Transportation Officials’ Manual for Assessing Safety Hardware (MASH).

IH-30 Dallas HOV Lanes: An Inside Look

IH-30 Dallas HOV Lanes: An Inside Look

In 1990, construction began to create a new managed lanes system on IH-30 in Dallas, TX.  A High Occupancy Vehicle lane (HOV) would run for five miles into the downtown in the morning and three miles out of the city center for evening commuters.  Three scenarios were originally considered: 1) an exclusive HOV facility in the median, 2) a concurrent flow HOV facility on the inside shoulder, and 3) a contraflow HOV facility using a lane in the off-peak direction...