7
U.S. Route 25 in Michigan This article is about the section of highway in Michigan. For the entire length of highway, see U.S. Route 25. US Highway 25 (US 25) was a part of the United States Numbered Highway System in the state of Michigan that ran from the Ohio state line near Toledo and ended at the tip of The Thumb in Port Austin. Its general routing took it northeasterly from the state line through Monroe and Detroit to Port Huron. Along this southern half, it followed undivided highways and ran concurrently along two freeways, Interstate 75 (I-75) and I-94. Near the foot of the Blue Water Bridge in Port Huron, US 25 turned north and northwesterly along the Lake Huron shoreline to Port Austin. Created with the initial US Highway System on Novem- ber 11, 1926, US 25 replaced several previous state high- way designations. Some of the preceding highways fol- lowed roadways created in the 19th and the early 20th centuries. It initially was only routed as far north as Port Huron; the northern extension to Port Austin happened in 1933. By the end of the 1950s, the entire route was paved. Starting in the early 1960s, segments of I-75 and I-94 were built, and US 25 was shifted to follow them south of Detroit to Port Huron. A business loop was cre- ated when the main highway bypassed downtown Port Huron, and then in 1973, the entire designation was re- moved from the state. The final routing of the highway is still maintained by the state under eight different desig- nations, some unsigned. 1 Route description 1.1 State line to Downriver In its final configuration before it was decommissioned in the state, US 25 entered Michigan south of Erie and fol- lowed Dixie Highway northward. The highway ran paral- lel to US 24 (Telegraph Road) about 2 3 mile (1.1 km) to the east of that roadway; both ran north-northeasterly in the area. At LaSalle, the roadway turned more northeast- erly toward Monroe. US 25 followed Monroe Street next to Lake Monroe and through downtown Monroe over the River Raisin. North of town, Dixie Highway turned due north and terminated at an intersection with US 24; US 25 merged onto Telegraph Road, and the two highways ran concurrently northeasterly through rural Monroe County. At the crossing of the Huron River, US 24/US 25 crossed into Flat Rock and Wayne County. [3][5] US 24/US 25 followed Telegraph Road through down- town Flat Rock and continued into the suburban area of Downriver. At the intersection with Dix–Toledo Road near Woodhaven, US 25 separated from US 24 and con- tinued northeasterly for about two miles (3.2 km) to an interchange with I-75 where it merged onto the freeway. I-75/US 25 continued on the Fisher Freeway through the Downriver suburbs of Taylor, Southgate, Allen Park, Lincoln Park, and Melvindale before entering the city of Detroit. The freeway passed through an industrial area of the city and crossed the River Rouge before turning more northeasterly. At Clark Avenue, US 25 left the freeway to turn a block south and run along Fort Street. The highway continued along Fort Street running under the approaches to the Ambassador Bridge and into downtown. [5][6] 1.2 Downtown Detroit to Port Huron In Downtown Detroit, Fort Street ended at Campus Mar- tius Park at M-1 (Woodward Avenue). US 25 looped around the square and followed the street named Cadil- lac Square over to Randolph Street, turning north to con- nect to Gratiot Avenue. The highway followed Gratiot through the east side of Detroit running northeasterly. US 25 intersected the eastern end of the there-unnumbered Fisher Freeway. Gratiot Avenue is a major thoroughfare on the east side of Detroit running through residential neighborhoods and connecting to the Detroit City Air- port. East of the airport, US 25 intersected the south- ern end of M-97 as well. At M-102 (8 Mile Road), US 25 exited Detroit and entered East Detroit, a suburb in Macomb County. The highway continued, roughly par- allel to I-94 through Roseville and Mount Clemens. At Hall Road near Selfridge Air National Guard Base, M-59 merged with US 25 to follow Gratiot Avenue. At 23 Mile Road west of New Baltimore, US 25/M-59 turned east- ward onto 23 Mile to an interchange with I-94. At that interchange, US 25 turned northward onto the I-94 free- way while M-59 terminated; 23 Mile continues eastward as M-29 into New Baltimore. [5][6] I-94/US 25 ran northeasterly through rural areas of Ma- comb County, intersecting the southern end of M-19 near New Haven. The freeway crossed into rural southern St. Clair County south of Richmond and continued north- eastward to Marysville, where it turned northward, cross- ing Gratiot Avenue. A business loop, Business US 25 (Bus. US 25) ran northeasterly from the freeway along Gratiot Avenue to run parallel to the St. Clair River. From Marysville, I-94/US 25 skirted the western side of 1

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  • U.S. Route 25 in Michigan

    This article is about the section of highway in Michigan.For the entire length of highway, see U.S. Route 25.

    US Highway 25 (US 25) was a part of the United StatesNumbered Highway System in the state of Michigan thatran from the Ohio state line near Toledo and ended atthe tip of The Thumb in Port Austin. Its general routingtook it northeasterly from the state line through Monroeand Detroit to Port Huron. Along this southern half, itfollowed undivided highways and ran concurrently alongtwo freeways, Interstate 75 (I-75) and I-94. Near the footof the Blue Water Bridge in Port Huron, US 25 turnednorth and northwesterly along the Lake Huron shorelineto Port Austin.Created with the initial US Highway System on Novem-ber 11, 1926, US 25 replaced several previous state high-way designations. Some of the preceding highways fol-lowed roadways created in the 19th and the early 20thcenturies. It initially was only routed as far north as PortHuron; the northern extension to Port Austin happenedin 1933. By the end of the 1950s, the entire route waspaved. Starting in the early 1960s, segments of I-75 andI-94 were built, and US 25 was shifted to follow themsouth of Detroit to Port Huron. A business loop was cre-ated when the main highway bypassed downtown PortHuron, and then in 1973, the entire designation was re-moved from the state. The nal routing of the highway isstill maintained by the state under eight dierent desig-nations, some unsigned.

    1 Route description

    1.1 State line to DownriverIn its nal conguration before it was decommissioned inthe state, US 25 entered Michigan south of Erie and fol-lowed Dixie Highway northward. The highway ran paral-lel to US 24 (Telegraph Road) about 23 mile (1.1 km) tothe east of that roadway; both ran north-northeasterly inthe area. At LaSalle, the roadway turned more northeast-erly toward Monroe. US 25 followed Monroe Street nextto Lake Monroe and through downtown Monroe over theRiver Raisin. North of town, Dixie Highway turned duenorth and terminated at an intersection with US 24; US 25merged onto Telegraph Road, and the two highways ranconcurrently northeasterly through rural Monroe County.At the crossing of the Huron River, US 24/US 25 crossedinto Flat Rock and Wayne County.[3][5]

    US 24/US 25 followed Telegraph Road through down-town Flat Rock and continued into the suburban area ofDownriver. At the intersection with DixToledo Roadnear Woodhaven, US 25 separated from US 24 and con-tinued northeasterly for about two miles (3.2 km) to aninterchange with I-75 where it merged onto the freeway.I-75/US 25 continued on the Fisher Freeway throughthe Downriver suburbs of Taylor, Southgate, Allen Park,Lincoln Park, and Melvindale before entering the city ofDetroit. The freeway passed through an industrial area ofthe city and crossed the River Rouge before turning morenortheasterly. At Clark Avenue, US 25 left the freeway toturn a block south and run along Fort Street. The highwaycontinued along Fort Street running under the approachesto the Ambassador Bridge and into downtown.[5][6]

    1.2 Downtown Detroit to Port Huron

    In Downtown Detroit, Fort Street ended at Campus Mar-tius Park at M-1 (Woodward Avenue). US 25 loopedaround the square and followed the street named Cadil-lac Square over to Randolph Street, turning north to con-nect to Gratiot Avenue. The highway followed Gratiotthrough the east side of Detroit running northeasterly. US25 intersected the eastern end of the there-unnumberedFisher Freeway. Gratiot Avenue is a major thoroughfareon the east side of Detroit running through residentialneighborhoods and connecting to the Detroit City Air-port. East of the airport, US 25 intersected the south-ern end of M-97 as well. At M-102 (8 Mile Road), US25 exited Detroit and entered East Detroit, a suburb inMacomb County. The highway continued, roughly par-allel to I-94 through Roseville and Mount Clemens. AtHall Road near Selfridge Air National Guard Base, M-59merged with US 25 to follow Gratiot Avenue. At 23 MileRoad west of New Baltimore, US 25/M-59 turned east-ward onto 23 Mile to an interchange with I-94. At thatinterchange, US 25 turned northward onto the I-94 free-way while M-59 terminated; 23 Mile continues eastwardas M-29 into New Baltimore.[5][6]

    I-94/US 25 ran northeasterly through rural areas of Ma-comb County, intersecting the southern end ofM-19 nearNew Haven. The freeway crossed into rural southern St.Clair County south of Richmond and continued north-eastward to Marysville, where it turned northward, cross-ing Gratiot Avenue. A business loop, Business US 25(Bus. US 25) ran northeasterly from the freeway alongGratiot Avenue to run parallel to the St. Clair River.From Marysville, I-94/US 25 skirted the western side of

    1

  • 2 2 HISTORY

    the Port Huron area, intersecting the M-21 freeway im-mediately east of the city before turning eastward to curvearound the north side of town. After the freeway crossedthe Black River, US 25 turned northward to separate fromI-94.[3][5]

    1.3 Along Lake Huron

    North of downtown Port Huron, US 25 followed PineGrove Avenue to the eastern terminus of M-136 and thenfollowed 24th Avenue out of town. South of Lakeport,the road changed names to Lakeshore Road and ran alongthe Lake Huron shoreline in The Thumb region of thestate. The highway stayed close to the shoreline andpassed Lakeport State Park in the town of the same name.North of the park, US 25 crossed into souther SanilacCounty and followed the shoreline to the community ofLexington where it intersected the eastern end of M-90.Further north, the highway intersected the eastern end ofM-46 in Port Sanilac.[3][5]

    North of the community of Richmondville, US 25 passedSanilac State Park, and then north of Forestville, itcrossed into Huron County. North of the county line, thehighway passed through the community of White Rockand continued along the lake to Harbor Beach. There,US 25 intersected the eastern end of M-142 and beganto curve around to the northwest to follow the northerntip of The Thumb. Eight miles (13 km) north of Har-bor Beach, the highway passed through Port Hope andturned even more to the northwest on Lakeshore Road.US 25 turned due west at Huron City and passed south ofGrindstone City on Grindstone Road. The highway wasfurther inland on this eastwest segment as it ran southof Pointe Aux Barques to Port Austin. At an intersectionwith M-53 (Van Dyke Road), US 25 merged with M-53to run ve blocks north along Lake Street to the water-front in Port Austin. At the intersectionwith Spring Streetjust south of the marina, US 25/M-53 jointly terminatedwhile M-25 continued west along Spring Street.[3][5]

    2 History

    2.1 Before the state highways

    The chief transportation routes in 1701 were the Indiantrails that crossed the future state of Michigan; the oneconnecting what are now Detroit and Port Huron was oneof these 13 trails at the time.[7] Detroit created 120-foot(37 m) rights-of-way for the principle streets of the city,the modern Gratiot Avenue included, in 1805.[8] Thisstreet plan was devised by Augustus Woodward and oth-ers following a devastating re in Detroit.[9] Gratiot Av-enue, then also called DetroitPort Huron Road,[8] wasauthorized by the US Congress on March 2, 1827, as asupply road from Detroit to Port Huron for Fort Gratiot.

    Construction started in Detroit in 1829, and the roadwaywas completed in the same year to Mount Clemens. Therest was nished in 1833.[10] The road was named forthe fort near Port Huron, which was in turn named forColonel Charles Gratiot,[11] the supervising engineer incharge of construction of the structure in the aftermathof the War of 1812.[12]

    Telegraph lines were rst installed from the Detroit areasouth to the Monroe area in the mid-19th century withadditional lines north to Pontiac completed around 1868.As these communication lines were installed, roadwayswere added as needed to provide access for maintenance.The parallel road from Dearborn south was named forthese lines, becoming Telegraph Road.[10] In 1915, theDixie Highway, an auto trail that ran south from Detroitto Miami, Florida, was extended to Detroit,[10] and laterin 1919 northward to the Straits of Mackinac.[13]

    2.2 Initial state highways to US Highway

    When the state highway system was rst signed in1919,[14] ve separate highways were designated alongUS 25s general route from the state line north throughDetroit and Port Huron to Port Austin. From the stateline north to Monroe, the roadway was given the rstM-56 designation. From there northward, there was nostate highway that corresponded to the future US 25, butthe rst M-10 followed the future US 24 into the De-troit area. Near Dearborn, M-10 ran further inland thanthe future US 25 and included a concurrency with M-17into Detroit. From Detroit northward, Gratiot Avenuewas assigned the M-19 number into the Port Huron area.Through downtown Port Huron, the future US 25 wasnumbered as the rst M-27 and along the lakeshore northto Harbor Beach, the highway was M-31. From HarborBeach into Port Austin, M-27 took over the route.[15]

    When the US Highway System was created on November11, 1926,[2] US 25 was included in Michigans section ofthe system.[16] The US Highway designation was assignedto run along Dixie Highway replacing that segment of M-56. From Monroe northward, US 25 overlapped US 24on Telegraph Road to the Dearborn area and then fol-lowedM-17 (Ecorse Road) to Fort Street and into Down-town Detroit. From there, the highway replaced M-19 toPort Huron; the remainder of the highway to Port Austinwas numbered M-29.[17] The highway was rerouted oTelegraph Road along DixToledo Highway into down-town Detroit in 1929.[18][19] By the end of 1932, US 25was rerouted from downtown Monroe along Dixie High-way north to US 24 instead of turning westward in thecity.[20] The next year, US 25 was extended northwardfrom Port Huron to Port Austin, replacing that section ofM-29 in the process. The remainder of M-29 westwardto Bay City was renumbered M-25.[21][22]

    In 1936, US 25 was changed to trac along a one-waypairing of streets on the southwest side of Port Huron.

  • 3US 25 along Gratiot Avenue in Detroit in 1941

    Northbound trac remained on Military Avenue whilesouthbound trac was diverted to Electric Avenue.[23][24]Two US 25A routings were created in the 1940s. Therst, in Port Huron provides access to the Blue WaterBridge from the mainline of the highway in 1940.[25][26]The second near Erie was numbered by 1942,[27] andrenumbered US 24A by 1945.[28] That last segment ofUS 25 to be paved was completed near Port Hope at theend of the 1950s.[29][30]

    2.3 Freeway era

    With the completion of a segment of I-94 betweenRoseville and Marysville in 1963, US 25 was reroutedto follow I-94 from the Mount Clemens area north toMarysville.[31][32] The next year, an additional freewayfrom the northern end of I-94 at Marysville to Port Huronwas completed. I-94/US 25 was extended north and east,replacing part of M-146 to the Blue Water Bridge. Theformer route of US 25 through downtown was redesig-nated Bus. US 25 while US 25A became a part of themainline highway to connect to I-94.[32][33] In 1967, an-other segment, this time south of Detroit, was rerouted tofollow another freeway, I-75.[34][35]

    Six years later, the US 25 designation was decommis-sioned in Michigan, although all sections of it are stillstate highways. The southern section from the stateline northward through Monroe was renumbered M-125and the US 25 designation was removed from US 24(Telegraph Road). In the Detroit area, the connectionbetween US 24 and I-75 in Woodhaven was redesig-nated Conn. US 24. The US 25 designation was re-moved from I-75 northward into Detroit, while the rout-ing along Clark Street became an unsigned connectorhighway (now Connector 850[36]). The routing along FortStreet andGratiot Avenue was numbered asM-3. TheUS25 designation was removed from I-94, and the routingthrough Port Huron and northward to Port Austin becamepart of an extended M-25.[3][4]

    3 Major intersectionsAll exits are unnumbered.

    4 Related trunklinesThere were three additional trunkline highways relatedto US 25 in Michigan. There was a US 25A near Eriewhat was created by 1942;[27] it was renumbered US 24Aby 1945.[28] A second US 25A was designated near PortHuron in 1940 to provide a connection from the mainlineto the Blue Water Bridge approaches.[25][26] A businessloop, Bus. US 25 was created for Port Huron in 1964when the mainline was rerouted to follow the I-94 free-way west of the city.[32][33] Both the remaining US 25Aand Bus. US 25 were decommissioned when US 25 wasdecommissioned in the state in 1973, renumbered as partof M-25 and Business Loop I-94, respectively.[3][4]

    5 See also Michigan Highways portal Metro Detroit portal

    6 References[1] Michigan Department of Transportation & Michigan

    Center for Shared Solutions and Technology Partnerships(2009). MDOT Physical Reference Finder Application(Map). Michigan Department of Transportation. Re-trieved April 9, 2015.

    [2] McNichol, Dan (2006). The Roads that Built America.New York: Sterling. p. 74. ISBN 1-4027-3468-9.

    [3] Michigan Department of State Highways (1973). OcialHighway Map (Map). 1 in14.5 mi. Lansing: MichiganDepartment of State Highways. I14M14, M13N13.OCLC 81679137.

    [4] Michigan Department of State Highways and Transporta-tion (1974). Ocial Transportation Map (Map). 1in14.5 mi. Lansing: Michigan Department of StateHighways and Transportation. I14M14, M13N13.OCLC 83138602.

    [5] Google (April 9, 2015). Overview Map of the FormerUS 25 in Michigan (Map). Google Maps. Google. Re-trieved April 9, 2015.

    [6] Michigan Department of State Highways (1973). OcialHighway Map (Map). 1 in2.5 mi. Lansing: MichiganDepartment of State Highways. Detroit and Vicinity inset. H6A12. OCLC 81679137.

    [7] Mason, Philip P. (1959). Michigan Highways from IndianTrails to Expressways. Ann Arbor, MI: Braun-Brumeld.p. 3. OCLC 23314983.

  • 4 6 REFERENCES

    [8] Lingeman, Stanley D. (April 6, 2001). Michigan High-way History Timeline 17012001: 300 Years of Progress.Lansing: Library of Michigan. pp. 12. OCLC435640179.

    [9] Baulch, Vivian M. (June 13, 1999). Woodward Avenue,Detroits Grand Old 'Main Street'". The Detroit News. Re-trieved September 5, 2010.

    [10] Barnett, LeRoy (2004). ADrive DownMemory Lane: TheNamed State and Federal Highways of Michigan. AlleganForest, MI: Priscilla Press. pp. 7475, 95, 21011. ISBN1-88616-7-24-9.

    [11] Farmer, Silas (1884). History of Detroit and Michigan.Detroit: S. Farmer & Co. p. 940. OCLC 11182400.Retrieved May 9, 2012 via Google Books.

    [12] Jenks, William A. (January 1920). Fort Gratiot and ItsBuilder Gen. Charles Gratiot. Michigan History Mag-azine (Lansing: Michigan Historical Commission) 4 (1):14446. Retrieved May 9, 2012 via Google Books.

    [13] System of RoadsUrged byHoosier State Automobile As-sociation. Fort Wayne News and Sentinel. August 27,1919. p. 6. OCLC 11658858.

    [14] Michigan May Do Well Following Wisconsins RoadMarking System. The Grand Rapids Press. September20, 1919. p. 10. OCLC 9975013.

    [15] Michigan State Highway Department (July 1, 1919). Stateof Michigan: Lower Peninsula (Map). Scale not given.Lansing: Michigan State Highway Department. OCLC15607244.

    [16] Bureau of Public Roads & American Association of StateHighway Ocials (November 11, 1926). United StatesSystem of Highways Adopted for Uniform Marking by theAmerican Association of State Highway Ocials (Map).1:7,000,000. Washington, DC: U.S. Geological Survey.OCLC 32889555. Retrieved November 7, 2013 viaUniversity of North Texas Libraries.

    [17] Michigan State Highway Department (December 1,1926). Ocial Highway Condition Map (Map). Scalenot given. Lansing: Michigan State Highway Department.OCLC 79754957.

    [18] Michigan State Highway Department (May 1, 1929). Of-cial Highway Service Map (Map). Scale not given. Lans-ing: Michigan State Highway Department.

    [19] Michigan State Highway Department & H.M. Gousha(January 1, 1930). Ocial Highway Service Map (Map).Scale not given. Lansing: Michigan State Highway De-partment.

    [20] Michigan State Highway Department & Rand McNally(October 1, 1932). Ocial Michigan Highway Map(Map). Scale not given. Lansing: Michigan State High-way Department.

    [21] Michigan State Highway Department & Rand McNally(May 1, 1933). Ocial Michigan Highway Map (Map).Scale not given. Lansing: Michigan State Highway De-partment.

    [22] Michigan State Highway Department & Rand McNally(September 1, 1933). Ocial Michigan Highway Map(Map). Scale not given. Lansing: Michigan State High-way Department.

    [23] Michigan State Highway Department & Rand McNally(June 1, 1936). Ocial Michigan Highway Map (Map).Scale not given. Lansing: Michigan State Highway De-partment. Port Huron inset.

    [24] Michigan Department of Transportation (2014). PureMichigan: State Transportation Map (Map). 1 in3.5 mi/ 1 cm2 km. Lansing: Michigan Department of Trans-portation. Port Huron inset. OCLC 900162490.

    [25] Michigan State Highway Department & Rand McNally(April 15, 1940). Ocial Michigan Highway Map (Map)(Spring ed.). Scale not given. Lansing: Michigan StateHighway Department. Port Huron inset.

    [26] Michigan State Highway Department & Rand McNally(December 1, 1940). Ocial Michigan Highway Map(Map) (Winter ed.). Scale not given. Lansing: MichiganState Highway Department. Port Huron inset.

    [27] Michigan State Highway Department & Rand McNally(June 1, 1942). Ocial Michigan Highway Map (Map)(Summer ed.). Scale not given. Lansing: Michigan StateHighway Department. N13.

    [28] Michigan State Highway Department (October 1, 1945).Ocial HighwayMap ofMichigan (Map). Scale not given.Lansing: Michigan State Highway Department. N13.OCLC 554645076.

    [29] Michigan State Highway Department (1958). OcialHighway Map (Map). Scale not given. Lansing: Michi-gan State Highway Department. I14. OCLC 51856742.(Includes all changes through July 1, 1958)

    [30] Michigan State Highway Department (1960). OcialHighway Map (Map). Scale not given. Lansing: Michi-gan State Highway Department. I14. OCLC 81552576.(Includes all changes through July 1, 1960)

    [31] Michigan State Highway Department (1963). OcialHighway Map (Map). Scale not given. Lansing: MichiganState Highway Department. K14L14.

    [32] Michigan State Highway Department (1964). OcialHighway Map (Map). Scale not given. Lansing: Michi-gan State Highway Department. K14L14. OCLC81213707.

    [33] Michigan State Highway Department (1965). OcialHighway Map (Map). Scale not given. Lansing: MichiganState Highway Department. K14.

    [34] Michigan Department of State Highways (1967). OcialHighway Map (Map). Scale not given. Lansing: MichiganDepartment of State Highways. M13.

    [35] Michigan Department of State Highways (1968). OcialHighway Map (Map). Scale not given. Lansing: MichiganDepartment of State Highways. M13.

  • 5[36] Sta (May 1, 2008). Appendix C: State TrunklineConnector Routes (PDF). Michigan Geographic Frame-work. Michigan Department of Information Technology.Archived from the original on January 8, 2011. RetrievedOctober 15, 2008.

    7 External linksRoute map: Bing

    Historic US 25 at Michigan Highways

  • 6 8 TEXT AND IMAGE SOURCES, CONTRIBUTORS, AND LICENSES

    8 Text and image sources, contributors, and licenses8.1 Text

    U.S. Route 25 in Michigan Source: http://en.wikipedia.org/wiki/U.S.%20Route%2025%20in%20Michigan?oldid=659505552 Contrib-utors: Imzadi1979, Dough4872, Pepper and Anonymous: 1

    8.2 Images File:Business_plate.svg Source: http://upload.wikimedia.org/wikipedia/commons/8/87/Business_plate.svg License: Public domain Con-

    tributors: Own work Original artist: Ltljltlj File:Connector_plate.svg Source: http://upload.wikimedia.org/wikipedia/commons/9/9b/Connector_plate.svg License: Public domain

    Contributors: Own work Original artist: Ltljltlj File:I-375_(MI_1957).svg Source: http://upload.wikimedia.org/wikipedia/commons/2/2e/I-375_%28MI_1957%29.svg License: Public

    domain Contributors: Own work Original artist: Michigan State Highway Department and the Bureau of Public Roads File:I-75_(MI_1957).svg Source: http://upload.wikimedia.org/wikipedia/commons/c/cc/I-75_%28MI_1957%29.svg License: Public do-

    main Contributors: Own work Original artist: Michigan State Highway Department and the Bureau of Public Roads File:I-94_(MI_1957).svg Source: http://upload.wikimedia.org/wikipedia/commons/9/95/I-94_%28MI_1957%29.svg License: Public

    domain Contributors: Own work Original artist: Michigan State Highway Department and the Bureau of Public Roads File:M-102_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/f/f3/M-102_1948.svg License: Public domain Contribu-

    tors: File:M template 1948.svg Original artist: Fredddie File:M-136_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/7/70/M-136_1948.svg License: Public domain Contrib-

    utors: File:M template 1948.svg Original artist: Imzadi1979 File:M-142_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/6/68/M-142_1948.svg License: Public domain Contrib-

    utors: File:M template 1948.svg Original artist: Imzadi1979 File:M-19_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/9/9b/M-19_1948.svg License: Public domain Contribu-

    tors: File:M template 1948.svg Original artist: Imzadi1979 File:M-1_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/d/d9/M-1_1948.svg License: Public domain Contributors:

    File:M template 1948.svg Original artist: Imzadi1979 File:M-21_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/2/2b/M-21_1948.svg License: Public domain Contribu-

    tors: File:M template 1948.svg Original artist: Imzadi1979 File:M-24.svg Source: http://upload.wikimedia.org/wikipedia/commons/7/74/M-24.svg License: Public domain Contributors: Sign M1-6

    of the Michigan Department of Transportation, Michigan State Police, Federal Highway AdministrationManual on Uniform Trac ControlDevices (PDF) (2005 Michigan supplement to 2003 edition ed.), Michigan Department of Transportation, p. 2D-5 Original artist: IW4

    File:M-25.svg Source: http://upload.wikimedia.org/wikipedia/commons/8/88/M-25.svg License: Public domain Contributors: Sign M1-6of the Michigan Department of Transportation, Michigan State Police, Federal Highway AdministrationManual on Uniform Trac ControlDevices (PDF) (2005 Michigan supplement to 2003 edition ed.), Michigan Department of Transportation, p. 2D-5 Original artist: IW4

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  • 8.3 Content license 7

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    File:US_25_(1961).svg Source: http://upload.wikimedia.org/wikipedia/commons/1/11/US_25_%281961%29.svg License: Public do-main Contributors: File:US XX 1961.svg Original artist: Fredddie, Scott Nazelrod, SPUI, Levente Jakab

    File:US_25_Gratiot_Ave_1941.jpg Source: http://upload.wikimedia.org/wikipedia/commons/5/54/US_25_Gratiot_Ave_1941.jpg Li-cense: Public domain Contributors: Kulsea, Bill; Shawver, Tom (1980) Making Michigan Move: A History of Michigan Highways and theMichigan Department of Transportation, Lansing: Michigan Department of Transportation., p. 17 OCLC: 8169232. Original artist: Unknown

    File:US_25_Michigan_1948.svg Source: http://upload.wikimedia.org/wikipedia/commons/9/92/US_25_Michigan_1948.svg License:Public domain Contributors: Based on File:US 66 Arizona 1926.svg Original artist: Fredddie

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    Route descriptionState line to DownriverDowntown Detroit to Port HuronAlong Lake Huron

    HistoryBefore the state highwaysInitial state highways to US HighwayFreeway era

    Major intersectionsRelated trunklinesSee alsoReferencesExternal linksText and image sources, contributors, and licensesTextImagesContent license