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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Channelizing Devices

Warning lights on channelizing devices

See Section 9.76 Barricade Warning Lights of State of Connecticut Department of Transportation Standard Specifications for Roads, Bridges, Facilities and Incidental Construction Form 819 for guidance … [Read more...] about Warning lights on channelizing devices

Warning lights on channelizing devices

In Pennsylvania, Type A and C lights on drums may be used at the TCP designer's discretion, but there is no requirement to use them. Type A lights may not be used if the distance between the lights is … [Read more...] about Warning lights on channelizing devices

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

Warning lights on channelizing devices

INDOT Standard Drawing indicates where and when construction warning lights are required. The information can be found in the 800 Section of the Standard Drawings at the website below. … [Read more...] about Warning lights on channelizing devices

Warning lights on channelizing devices

Massachusetts practices the following: - Type A lights are used on the first three drums in a series and, if a multiple lane movement is presented, they could be placed on three at the start of each … [Read more...] about Warning lights on channelizing devices

Warning lights on channelizing devices

South Carolina has discontinued the use of warning lights on drums and has drastically limited their use with Type II barricades. The high-intensity reflective sheeting is much brighter than warning … [Read more...] about Warning lights on channelizing devices

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