Iowa assesses a charge to the contractor as a "damage." The amount of the damage is derived from computing the damage to the public. Normally the damage to the public is out-of-distance travel or … [Read more...] about Penalty for failing to promptly open lanes beyond the lane closure limit
Iowa
Flagger training and certification requirements
From Iowa Department of Transportation (DOT) Standard Specifications, Section 2528. Traffic Control: "Flaggers. Prior to flagging operations, ensure the flaggers are trained in safe flagging … [Read more...] about Flagger training and certification requirements
Vehicle warning lights
Iowa DOT does not have written reports regarding tested use of warning lights. Lights are demonstrated by field test on vehicles to see if they are adequate, but no formal research projects have been … [Read more...] about Vehicle warning lights
Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices
Iowa removes devices against the flow of traffic. This method is preferred because there is always a device in the front as a visual cue to tell oncoming traffic where to go. This method also keeps … [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
Iowa uses a standard barrel array for all work zone situations - 15 barrels total, laid out as follows, starting from the rear: (2) 2100 lbs. (2) 1400 (2) 1400 (2) 700 (2) 400 (1) 700 (1) … [Read more...] about Sand barrels in work zones