M-120 (Michigan highway)

M-120 is a state trunkline highway in the US state of Michigan in the southwest Lower Peninsula. The highway runs northeast from Muskegon to Hesperia. In between, the road passes through suburban Muskegon, forests and farmland. Some 5,900–26,000 vehicles use the highway each day on average as it runs long a series of roads that follow county lines in the area.

M-120
M-120 highlighted in red
Route information
Maintained by MDOT
Length27.901 mi[1] (44.902 km)
Existed1969–present
Major junctions
South end
Bus. US 31 in Muskegon
 
North end M-20 in Hesperia
Location
CountiesMuskegon, Oceana, Newaygo
Highway system
← M-119M-121 →

The current highway to bear the M-120 designation is the third in the state. The first was a spur route in the Lansing area in the 1930s. The second was a route that connected to like-numbered state highways in both Ohio and Indiana. The current M-120 was originally part of M-20 until that highway was rerouted between New Era and US Highway 31 (US 31).

Route description

The current route starts at Business US 31 (Bus. US 31) where Muskegon Lake and the Muskegon River meet in Muskegon. As it crosses the river, it is known as the Veterans Memorial Causeway, with a section of Veterans Memorial Park between the northbound and southbound sections of the road. This road continues north as Whitehall Road, which connects Muskegon to Whitehall. At Whitehall Road, M-120 turns east on Holton Road and continues in a northeastern direction through the suburb of North Muskegon. The south side of the roadway abuts residential areas and Reeths-Puffer High School; the north side is largely undeveloped. M-120 meets the US 31 freeway in Muskegon Township. Holton Road continues northeasterly past Oak Hill Cemetery and turns northerly at Bard Road. The highway curves to the northeast again through Twin Lake to avoid several lakes in the area. The landscape along the road between Twin Lake and Holton, like much of the overall route of the highway, is woodland. Northeast of Holton, those forests transition to farm land as M-120 turns to the north. The highway meets B-31 as it turns north to run along the Muskegon–Newaygo county line.[2][3]

As M-120 continues north along the county line, it runs in Holton Township in Muskegon County to the west and Sheridan Township in Newaygo County to the east along Maple Island Road. West of Fremont, the highway meets an intersection with M-82 and B-86. B-86 runs along the Muskegon–Oceana county line, and M-82 runs along a township line in Newaygo County. North of this intersection, M-120 follows the Oceana–Newaygo county line that divides Greenwood Township from Dayton Township. Maple Island Road enters the south side of Hesperia on Division Street. M-120 terminates at an intersection with M-20 in the middle of the village, 27.901 miles (44.902 km) from its starting point.[1][2]

The Michigan Department of Transportation (MDOT) maintains M-120 like all other components of the Michigan state trunkline highway system. As part of these responsibilities, the department tracks traffic volumes along the highway. MDOT uses a metric called average annual daily traffic, which is a calculation of the traffic along a roadway segment for any average day of the year. In 2009, the highest traffic levels were near the southern terminus at 26,736 vehicles each day. The lowest levels MDOT calculated were in Holton at 5,936 vehicles daily.[4] The section between the south end and US 31, M-120 has been listed on the National Highway System,[5] a network of roads important to the nation's economy, defense, and mobility.[6] The remainder of the highway has not been listed.[7]

History

Previous routings

The M-120 designation was originally used on two different roadways in the state. In 1930, a road from US 16 for about a mile at the northwest corner of Lansing was numbered M-120.[8][9] In early 1939, the M-174 designation replaced the M-120 moniker on the road.[10][11] Later that year, the Michigan State Highway Department (MSHD) used the number for a road along the Michigan-Ohio state line. This highway connected to State Route 120 on its east end at the state line and ran west to US 127 at Meridian Road along the Hillsdale–Lenawee county line.[12][13] By the end of 1940, M-120 was extended through Hillsdale County to connect to State Road 120 along the short north–south Michigan–Indiana border.[14][15] By the middle of 1961, the M-120 designation was retired by the MSHD again.[16][17] The Ohio and Indiana SR 120 highways are still in place today with only the county road in Michigan connecting them.[18]

Current routing

The MSHD's successor, the Michigan Department of State Highways, realigned the route of M-20 through Western Michigan in 1969. In the aftermath of the reroute, the M-20 designation was moved from Muskegon to New Era. The former routing of M-20 south of Hesperia to Muskegon was renumbered M-120, including a segment that ran concurrently with M-82.[19][20] That concurrency was removed in 1978.[21][22]

Major intersections
CountyLocationmi[1]kmDestinationsNotes
MuskegonMuskegon0.0000.000
Bus. US 31 (Seaway Drive/Skyway Drive) / LMCT – Downtown Muskegon
Muskegon Township4.134–
4.173		6.653–
6.716		 US 31 – Ludington, Grand HavenExit 118 on US 31
Muskegon–Newaygo
county line		Brunswick18.05029.049 B-31 (Maple Island Road) – NunicaM-120 follows the Muskegon–Newaygo county line here
Muskegon–Oceana–
Newaygo county tri-point		Holtona–Greenwoodb–
Daytonc–Sheridanc township quadri-point		20.91433.658 M-82 east (48th Street) – Fremont
B-86 west (Skeets Road) – Montague		B-86 is located on the Muskegon–Oceana county line; M-120 is on the Muskegon–Newaygo county line south of the intersection and the Oceana–Newaygo county line north of the junction
Oceana–Newaygo
county line		Hesperia27.90144.902 M-20 (South Street) – New Era, White CloudM-120 is located on the Oceana–Newaygo county line here
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
aMuskegon County • bOceana County • cNewaygo County
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See also
  •  Michigan Highways portal

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. Retrieved February 20, 2011.
  2. Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. §§ J8–K8. OCLC 42778335, 639960603.
  3. Google (February 20, 2011). "Overview Map of M-120" (Map). Google Maps. Google. Retrieved February 20, 2011.
  4. "Traffic Monitoring Information System". Michigan Department of Transportation. 2008. Retrieved February 22, 2011.
  5. Michigan Department of Transportation (2005). National Highway System: Muskegon Urbanized Area (PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Retrieved January 1, 2011.
  6. "The National Highway System". Federal Highway Administration. August 26, 2010. Retrieved January 1, 2011.
  7. Michigan Department of Transportation (April 23, 2006). National Highway System, Michigan (PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Archived from the original (PDF) on September 21, 2012. Retrieved October 7, 2008.
  8. Michigan State Highway Department & H.M. Gousha (January 1, 1930). Official Highway Service Map (Map). Scale not given. Lansing: Michigan State Highway Department. Lansing inset. OCLC 12701195, 79754957.
  9. Michigan State Highway Department & H.M. Gousha (July 1, 1930). Official Highway Service Map (Map). Scale not given. Lansing: Michigan State Highway Department. Lansing inset. OCLC 12701195, 79754957.
  10. Michigan State Highway Department & Rand McNally (December 1, 1938). Official Michigan Highway Map (Map) (Winter ed.). Scale not given. Lansing: Michigan State Highway Department. Lansing inset. OCLC 12701143. Retrieved October 17, 2019 – via Archives of Michigan.
  11. Michigan State Highway Department & Rand McNally (April 15, 1939). Official Michigan Highway Map (Map) (Summer ed.). Scale not given. Lansing: Michigan State Highway Department. Lansing inset. OCLC 12701143.
  12. Michigan State Highway Department & Rand McNally (April 15, 1939). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. § N11. OCLC 12701143.
  13. Michigan State Highway Department & Rand McNally (December 1, 1939). Official Michigan Highway Map (Map) (Winter ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. § N11. OCLC 12701143. Retrieved October 17, 2019 – via Archives of Michigan.
  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. §§ N10–N11. OCLC 12701143. Retrieved October 17, 2019 – via Archives of Michigan.
  15. Michigan State Highway Department & Rand McNally (December 1, 1940). Official Michigan Highway Map (Map) (Winter ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ N10–N11. OCLC 12701143.
  16. Michigan State Highway Department (1960). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ N10–N11. OCLC 12701120, 81552576. Retrieved October 17, 2019 – via Archives of Michigan. (Includes all changes through July 1, 1960)
  17. Michigan State Highway Department (1961). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ N10–N11. OCLC 12701120, 51857665. Retrieved October 17, 2019 – via Archives of Michigan. (Includes all changes through July 1, 1961)
  18. Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. §§ N10-N11. OCLC 42778335, 639960603.
  19. Michigan Department of State Highways & H.M. Gousha (1969). Michigan, Great Lake State: Official Highway Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways. §§ J8–K8. OCLC 12701120. Retrieved October 17, 2019 – via Archives of Michigan.
  20. Michigan Department of State Highways (1970). Michigan, Great Lake State: Official Highway Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways. §§ J8–K8. OCLC 12701120.
  21. Michigan Department of State Highways and Transportation (1978). Michigan, Great Lake State: Official Transportation Map (Map) (1978–1979 ed.). c. 1:918,720. Lansing: Michigan Department of State Highways and Transportation. § J8. OCLC 12701177.
  22. Michigan Department of State Highways and Transportation (1979). Michigan, Great Lake State: Official Transportation Map (Map) (1978–1979 ed.). c. 1:918,720. Lansing: Michigan Department of State Highways and Transportation. § J8. OCLC 12701177. Retrieved October 17, 2019 – via Archives of Michigan.

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