Engineering/Utility Section Administrative Rule No. 651
Public Street Closure Notice Requirements
Adopted:
July 18, 1999
Revised: March 25, 2005
BACKGROUND: Public street closure is sometimes necessary to efficiently and safely protect
construction work zones for utility or street repair projects. However, closing a public street can also
cause serious access problems for adjacent property owners, businesses, and bus routes. This rule has
been established to provide advance notice requirements for contractors, utility companies, and public
works project coordinators for city street closure.
A. Collector and Arterial Streets: Construction impacts vary depending on the type of street affected.
The following notice requirements shall apply to all non-emergency city street closures more than
four (4) hours in length on streets classified as “collectors” or “arterials” as defined in the Missoula
Traffic Control Plan book. A street closure is defined as blocking access from private property to the
adjacent public street by construction activities or detour routing. These advance notice requirements
do not apply to street closures of less than four (4) hours, mobile and temporary operations, or any
emergency utility repairs or connections, or alley closures.
1. Advance Courtesy Notice (minimum 14-days): First notice of a planned street closure shall
be in writing, delivered by mail or flyer to all property owners, tenants and businesses adjacent
to the street closure. Notice shall be provided to businesses within the limits of the advanced
“Detour” warning sign locations for the approved traffic control plan, and in all cases, to
businesses within 200 feet of the closure. Notice shall also be delivered to all affected
transportation companies.
The notice may be provided any time in advance of the project with a minimum of 14-days
notice prior of the street closure and contain the following information:
a. The estimated date for the start of street closure. If the exact date of the