Iowa requires all contractors to have an ATSSA or IMSA trained traffic control technician (or equivalent) on staff. The complete language of the Iowa specification follows: Section 2528. Traffic … [Read more...] about Flagger training and certification requirements
Iowa
Intelligent Transportation System technology in work zones
Intelligent Transportation System was included in Iowa Smart Work Zone: Application on I-80 reconstruction project where there was two-way travel on two lanes. Project features include highway … [Read more...] about Intelligent Transportation System technology in work zones
Use of orange fluorescent sheeting on STOP/SLOW paddles
Iowa requires the use of the florescent orange sheeting on the STOP/SLOW paddles for two-lane roadways. Iowa DOT's GENERAL SUPPLEMENTAL SPECIFICATIONS for CONSTRUCTION PROJECTS says: "STOP/SLOW and … [Read more...] about Use of orange fluorescent sheeting on STOP/SLOW paddles
Warning lights on channelizing devices
Iowa does not use either Type A or C lights on any lane line and taper channelizing devices. ONLY drums are used in the tapers and either 42 inch channelizers (tall retroreflective cones) or vertical … [Read more...] about Warning lights on channelizing devices
Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
Iowa requires all project signs (either skid-mounted or post-mounted) to use fluorescent orange sheeting (Iowa Type VI or Iowa Type VII). The sheeting products approved in Iowa are found in two … [Read more...] about Switched from Construction/Engineering Grade sheeting to High-Intensity sheeting for barrels and barricades
Lane closures in rainy weather
Iowa has no specific policy regarding rain and opening lanes back up to public traffic. Depending on the type of work activity, oftentimes the lane cannot be opened in a short timeframe due to … [Read more...] about Lane closures in rainy weather