- Detour (road)
__NOTOC__A detour is a route around a planned area of prohibited or reduced access, such as a
construction site. [U.S.Manual on Uniform Traffic Control Devices [http://mutcd.fhwa.dot.gov/HTM/2003r1/part6/part6c.htm#section6C09 Section 6C.09] ]Standard operating procedure for many road departments is to route any detour over roads within the same jurisdiction as the road with the obstructed area. [Example: [http://www.dot.state.oh.us/traffic/Publication%20Manuals/TEM/Part_06/Part_06_complete_071808_bookmarked.pdf Section 602.6] , [http://www.dot.state.oh.us/traffic/Publication%20Manuals/TEM/TEM.htm Traffic Engineering Manual] ,
Ohio Department of Transportation .]Permanent detours
Various areas have systems of permanent detours as part of
incident management .Canada
Ontario
United Kingdom
The
United Kingdom uses yellow signs with a series of symbols for its "diversion routes." ["Direction signs," " [http://www.direct.gov.uk/en/TravelAndTransport/Highwaycode/Signsandmarkings/index.htm Signs and markings] ",Highway Code .]United States
Connecticut
Connecticut has two examples of permanent detours. [" [http://www.kurumi.com/roads/ct/weird.html Weird Tales] ," "Connecticut Roads".]Michigan
Michigan has a system of Emergency routes which parallel major highways. [" [http://www.roadfan.com/michrdph.html#ei94 Emergency Interstate 94] ", "Michiana Road Photos", "Roadfan.com".] [Photograph at " [http://www.michiganhighways.org/indepth/US-31Freeway_Ottawa.html US-31 Freeway in Ottawa County] ", "Michigan Highways".]Pennsylvania
Pennsylvania has a system of "color detour signs" in which any detour follows signs with a specific color. [ [http://www.dot.state.pa.us/Internet/pdNews.nsf/80289edfc19946cc852572f8006abcd2/9d55f67d0d5d8a228525697a003d8236?OpenDocument Red Detour, Black Detour, Green Detour, Blue Detour: What's It All About?] (press release),Pennsylvania Department of Transportation , 2000-10-10.] [cite news |first=Art |last=Carey |authorlink= |coauthors= |title=PennDot targets tie-ups with color |url= |work=The Philadelphia Inquirer |publisher= |date=2008-01-11 |accessdate= ] [cite news |first= |last= |authorlink= |coauthors= |title=Mystery Of New Color-Coded Detour Signs Answered |url=http://www.nbc10.com/traffic/14974031/detail.html |work= |publisher=WCAU-TV |date=2008-01-03 |accessdate=2008-07-22 ]Wisconsin
Wisconsin has "alternate route designations" in various areas of the state. [" [http://www.dot.wisconsin.gov/travel/stoc/altroute.htm Alternate route designations] ," State Traffic Operations Center,Wisconsin Department of Transportation .]References
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