The Texas Department of Transportation is installing traffic signals designed to increase congestion and drive toll road traffic. The Texas Department of Transportation (TxDOT) is using traffic signals to create the level of frustration to a point where the public is forced to accept toll roads. Earlier this month in Austin, TxDOT added an extra traffic signal on State Highway 71 to coincide with the opening of the third segment of the State Highway 130 toll road. Residents interviewed by News 8 Austin complained that the change made already bad traffic much worse on nearby free roads. "At its worst...