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M-24 (Michigan highway)

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This article is about a Michigan state trunkline highway numbered M-24. For the U.S. Highway, see U.S. Route 24 in Michigan.
M-24 marker
M-24
Map
M-24 highlighted in red
Route information
Maintained by MDOT
Length75.691 mi[1] (121.813 km)
Existed1927[2]–present
Major junctions
South end I-75 / BL I-75 in Auburn Hills
Major intersections I-69 near Lapeer
North end M-25 near Unionville
Location
CountryUnited States
StateMichigan
CountiesOakland, Lapeer, Tuscola
Highway system
← US 24→
Bus. M-24

M-24 is a north–south state trunkline highway in the U.S. state of Michigan that extends 75.691 miles (121.813 km) through Southeast Michigan and The Thumb, from northeast Auburn Hills to Unionville. It starts at an interchange with Interstate 75 (I-75) and ends where it merges with M-25. While the M-24 designation is similar to that of US Highway 24 (US 24) which has a northern terminus located only a few miles from the southern terminus of M-24, M-24 was never part of US 24.

The first M-24 in Michigan was replaced by M-20 when US 10 replaced the original M-20 in 1926. A 1936 bypass of downtown Pontiac resulted in the creation of M-24A which later became BUS M-24 in 1940. An extension in 1997 moved the northern end of M-24 northward from Caro to Unionville, replacing a section of M-138 in the process.

Route description

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M-24 begins a hundred feet south of an overpass that is part of a double trumpet interchange with I-75 in Auburn Hills. The interchange also connects with an entrance into The Palace of Auburn Hills, former home of the NBA's Detroit Pistons, and a variety of electronic signs are contained in the area to indicate the status of access to the entrance. The roadway is a continuation of Business Loop I-75 (BL I-75) that travels through Pontiac.[3] This section of the highway dedicated to William Davidson, former owner of the Pistons, in legislation signed by Michigan Governor Rick Snyder in May 2011.[4]

The section of M-24 from its southern terminus in Auburn Hills north to the village of Oxford is one of the busiest stretches of road in the state in terms of annual average daily traffic (AADT).[5] Near The Palace of Auburn Hills, 50,600 vehicles used the roadway on average in 2007.[6] The road is a standard Michigan expressway design, with at-grade intersections, traffic signals, and Michigan Lefts. M-24 continues north through the Bald Mountain Recreation Area and along the eastern shore of Lake Orion in the village of Lake Orion. This expressway continues a few miles north of the Lapeer County line, where the highway becomes a two-lane highway for a few miles, before returning to expressway from Metamora to I-69.[7] South of Metamora, M-24 runs parallel to the former right-of-way for the Michigan Central Railroad north into the city of Lapeer.[8]

M-24 continues north from Lapeer running west of Barnes Lake and east of the community of Columbiaville just south of the M-90 junction. South of the Tuscola County line, the trunkline passes the Greenbriar Golf Club and crosses the Pere Marquette Railroad before turning west along Saginaw Road into the community of Mayville and turning north along Mertz Road. South of Caro, M-24 meets M-46. Once past Frank Street in Caro, M-24 becomes Ellington Street. M-24 then comes to meet M-81 in Caro, where the highway becomes Cleaver Road. M-24 then jogs west along Biebel Road and then north along Unionville Road past a junction with M-138 to end in Unionville at M-25.[9]

M-24 is also known locally as Lapeer Road in several areas, including Orion Township, Oxford Township, and Metamora. In the Village of Oxford, it is also known as Washington Street. In downtown Lapeer, it is known as Main Street, and north of Mayville as Mertz Rd. In the Unionville area, it is also known as Unionville Road.[7][9]

History

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Original designation

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In 1919, the first M-24 was designated along today's M-20. From Midland east, M-24 continued along today's M-47.[10] When the U.S. Highway System was created, US 10 replaced M-20 and M-20 in turn replaced the first M-24.[11] The M-24 designation was then applied to the current routing.[2]

Current designation

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The current designation was assigned in two pieces, Pontiac to Lapeer and Vassar to Bay City. The two sections would be joined in 1927 by a concurrency along M-21 and M-15.[2] This arrangement lasted until a permanent solo routing was created in 1930.[12] The Pontiac area saw a rerouting of M-24 to an eastern bypass of town in 1936. The former routing in town became M-24A.[13] It would be redesignated as BUS M-24 in 1940 when the State Highway Department debuted business routes in Michigan.[14] The northern terminus was moved to M-81 in Caro in 1942,[15] and the southern terminus was shifted to the present location in 1963.[16] Prior to a 1997 extension, M-24 ended at M-81 in Caro;[17] now it continues up to M-25 in Unionville.[18]

From 2006 to 2008, M-24 was expanded to a boulevard between Metamora and Lapeer. There is still a two lane section between the Lapeer/Oakland County Line and Metamora that is planned to be upgraded in the near future. The construction has been delayed because of development close to the highway near Metamora.[19]

Major intersections

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CountyLocationmi[1]kmDestinationsNotes
OaklandAuburn Hills0.0000.000 I-75 – Detroit, Flint
BL I-75 – Pontiac		Exit 81 on I-75; roadway continues south as BL I-75
LapeerLapeer23.940–
23.964		38.528–
38.566		 I-69 – Flint, Port HuronExit 155 on I-69
Deerfield Township37.61060.527
 M-90 east – North Branch
TuscolaIndianfields Township53.14185.522 M-46 – Saginaw, Sandusky
Caro59.12295.148 M-81 – Reese, Cass City
Akron Township69.723112.208
 M-138 west – Akron, Fairgrove
Unionville75.691121.813 M-25 / LHCT – Bay City, Sebewaing
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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References

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  1. ^ a b Michigan Department of Transportation (2021). Next Generation PR Finder (Map). Michigan Department of Transportation. Retrieved October 11, 2021.
  2. ^ a b c Michigan State Highway Department (December 1, 1927). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC 12701195, 79754957.
  3. ^ Michigan Department of Transportation (2008). Michigan: Official Department of Transportation Map (Map). c. 1:158,400. Lansing: Michigan Department of Transportation. Detroit Area inset. OCLC 42778335.
  4. ^ Christoff, Chris (May 25, 2011). "Portion of M-24 near Palace named for Bill Davidson". Detroit Free Press.
  5. ^ Michigan Department of Transportation (2007). State AADT Map (PDF) (Map). Lansing: Michigan Department of Transportation. Retrieved October 4, 2008.
  6. ^ Michigan Department of Transportation (2007). Pontiac AADT Map (PDF) (Map). Lansing: Michigan Department of Transportation. Retrieved October 4, 2008.
  7. ^ a b "M-24 & I-75, Auburn Hills, MI 48326 to Lapeer, MI" (Map). Google Maps. Retrieved October 4, 2008.
  8. ^ Michigan Department of Transportation (2008). Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. § J13-L13. OCLC 42778335.
  9. ^ a b "Lapeer, MI to Unionville, MI" (Map). Google Maps. Retrieved October 4, 2008.
  10. ^ Michigan State Highway Department (July 1, 1919). State of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Lower Peninsula sheet. OCLC 15607244. Retrieved October 17, 2019 – via Michigan History Center.
  11. ^ Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: United States Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via Wikimedia Commons.
  12. ^ Michigan State Highway Department & H.M. Gousha (January 1, 1930). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC 12701195, 79754957.
  13. ^ Michigan State Highway Department & Rand McNally (June 1, 1936). Official Michigan Highway Map (Map). [c. 1:850,000]. Lansing: Michigan State Highway Department. § L13. OCLC 12701143.
  14. ^ Michigan State Highway Department & Rand McNally (July 15, 1940). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. § L13. OCLC 12701143. Retrieved October 17, 2019 – via Michigan History Center.
  15. ^ Michigan State Highway Department & Rand McNally (June 1, 1942). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ J12–K13. OCLC 12701143.
  16. ^ Michigan State Highway Department (1963). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § L13. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  17. ^ Michigan Department of Transportation (1997). Michigan Department of Transportation Map (Map). c. 1:918,720. Lansing: Michigan Department of Transportation. § J13. OCLC 42778335, 39132463. Retrieved October 17, 2019 – via Michigan History Center.
  18. ^ Michigan Department of Transportation (1998). Michigan Department of Transportation Map (Map). c. 1:918,720. Lansing: Michigan Department of Transportation. § J13. OCLC 42778335.
  19. ^ Richardson, Anita (September 19, 2006). "M-24 between I-69 and Newark Road scheduled to close beginning Wednesday, Sept. 20" (Press release). Michigan Department of Transportation. Retrieved July 21, 2008.
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  • M-24 at Michigan Highways

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