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State Route 48 (Ohio)

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Article Genealogy
Parent: Interstate 71 Hop 4
Expansion Funnel Raw 51 → Dedup 0 → NER 0 → Enqueued 0
1. Extracted51
2. After dedup0 (None)
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State Route 48 (Ohio)
StateOH
TypeSR
Route48
Length mi56.38
Established1924
Terminus aDayton
Terminus bBellefontaine
CountiesMontgomery County, Miami County, Champaign County, Logan County

State Route 48 (Ohio) is a north–south state highway in western Ohio. The route connects the urban center of Dayton with the county seat of Bellefontaine and passes through suburbs and rural communities such as Brookville, Tipp City, Piqua, and Urbana. Established in the early 20th century, the corridor serves commuter, commercial, and regional agricultural traffic and intersects multiple U.S. and state highways.

Route description

SR 48 begins at an interchange with Interstate 75 near central Dayton and proceeds north through the Dayton metropolitan area, paralleling corridors used by Great Miami River tributaries and historic transportation routes. Within Montgomery County the route passes near landmarks such as Trotwood and Kettering before entering Miami County and the suburban and exurban town of Tipp City. North of Tipp City SR 48 traverses agricultural land toward Piqua, where it intersects U.S. Route 36, U.S. Route 35, and local arterials serving Miami County Fairgrounds. Continuing into Champaign County SR 48 approaches Urbana, intersecting U.S. Route 68 and state routes that connect to Ohio Wesleyan University-style regional anchors. Northbound, the highway enters Logan County and terminates at Bellefontaine, meeting U.S. 68 and local streets near the Logan County Courthouse.

Along its length SR 48 shifts between two-lane rural sections, multilane suburban arterials, and limited-access segments near I-75 interchanges; the highway intersects rail corridors associated with Norfolk Southern Railway and crossings near historic canal-era alignments tied to the Miami and Erie Canal.

History

The designation for SR 48 was assigned in the 1920s during a statewide renumbering that aligned Ohio routes with expanding federated highway systems such as the U.S. Highway System. Early segments overlaid former county roads that linked Dayton, Piqua, and Bellefontaine, reflecting 19th-century market routes connecting to Ohio and Erie Canal-era trade corridors. Through the 1930s and 1940s, paving and realignment projects were carried out under agencies including the Ohio Department of Transportation predecessor authorities and New Deal-era public works influences that paralleled national programs like the Works Progress Administration.

Postwar growth around Dayton and suburbanization of Montgomery County triggered capacity upgrades, interchange construction with I-75, and bypass sections near Tipp City and Piqua. In the late 20th century, improvements addressed safety at intersections shared with U.S. 36, U.S. 35, and U.S. 68. Preservation of historic downtowns along SR 48 involved coordination with local governments such as the City of Dayton and county commissioners in Miami County and Logan County.

Major intersections

The route's key junctions include: - Southern terminus: interchange with I-75 near Dayton. - Concurrency/junctions with state and U.S. routes near Brookville and Tipp City providing access to SR 725 and SR 571. - Major crossing at Piqua with US 36 and proximity to US 35 interchanges. - Intersections in Urbana with US 68 and SR 29. - Northern terminus: junction with roadways in Bellefontaine near the Logan County Courthouse and connections to US 68.

These intersections integrate SR 48 into statewide networks that link to I-70, I-71, and other corridors facilitating freight movement tied to carriers like CSX Transportation.

Future plans and improvements

Planned and proposed projects affecting SR 48 are guided by regional metropolitan planning organizations such as the Miami Valley Regional Planning Commission and Ohio Department of Transportation. Priorities include intersection safety upgrades funded through state multimodal programs, corridor resurfacing coordinated with county engineers in Montgomery County and Miami County, and targeted interchange enhancements near I-75 to improve freight access for industrial sites linked to Dayton International Airport-area logistics. Local economic development initiatives involving city governments in Piqua and Tipp City have proposed multimodal improvements that may add sidewalks, bicycle lanes, and traffic-calming measures consistent with federal transportation grant programs administered by the Federal Highway Administration.

SR 48 connects with a range of federal and state-numbered highways including I-75, US 36, US 35, and US 68, and intersects multiple Ohio State Routes such as SR 725 and SR 29. The corridor interacts with county and municipal road systems under the jurisdiction of Montgomery County Engineer, Miami County Engineer, Champaign County Engineer, and Logan County Engineer. Historical alignments relate to early auto trails and the development of the U.S. Highway System and regional planning by entities like the Miami Valley Regional Planning Commission.

Category:State highways in Ohio Category:Transportation in Montgomery County, Ohio Category:Transportation in Miami County, Ohio Category:Transportation in Champaign County, Ohio Category:Transportation in Logan County, Ohio