Advisory speed limits are used to identify safe speeds for a specific condition within a work zone. The signs are installed by the appropriate governing authority. Black-and-orange signs are used in … [Read more...] about Work zone speed limit
Regulation
Work zone speed limit
In North Carolina: Speed reduction is used for long-term application (i.e., posted regulatory speed limit signs) for work zones where geometry and/or lane width/shoulder width restrictions occur on … [Read more...] about Work zone speed limit
Work zone speed limit
Utah allows the project engineer to reduce the speed limit 10 mph at his/her discretion. Further reduction has to be approved by the region traffic engineer. This policy is presently under review. … [Read more...] about Work zone speed limit
Work zone speed limit
New Hampshire DOT does not have any formal policy in place regarding speed limit reductions in work zones. In their coordination meetings, the Bureau of Highway Design and Bureau of Construction … [Read more...] about Work zone speed limit
Work zone speed limit
In Mississippi, the elected highway commission is empowered by law to lower speed zones from the maximum set by law. Mississippi has developed standing commission orders to lower the speed zones in … [Read more...] about Work zone speed limit
Work zone speed limit
In Indiana: Speed are reduced based on the volume of traffic, existing posted speed, and type of project (e.g., lane closures or restrictions). Normally speed reductions affect only interstate … [Read more...] about Work zone speed limit