Ohio State Route 315

Last updated


State Route 315

Ohio 315 map.svg
Route information
Maintained by ODOT
Length22.48 mi [1]  (36.18 km)
Existed1933 [2] –present
Major junctions
South endI-70.svgI-71.svg I-70  / I-71 in Columbus
Major intersectionsI-670.svg I-670 in Columbus
I-270.svg I-270 in Worthington
North endUS 23.svg US 23 near Delaware
Country United States
State Ohio
Counties Franklin, Delaware
Highway system
  • Ohio State Highway System
OH-314.svg SR 314 OH-316.svg SR 316

State Route 315, known locally as the Olentangy Freeway, running almost parallel to Olentangy River Road for most of its length, [3] is a north–south highway in central Ohio, in the Columbus metropolitan area. It may be seen abbreviated as SR 315, OH-315, or simply 315. Its southern terminus is at the south junction of I-70 and I-71 in Columbus, and its northern terminus is at US 23 near Delaware. It is a controlled access freeway from its southern terminus to I-270. The controlled access section carries two or three lanes in each direction, depending on the location. North of I-270, it becomes a two-lane road. It roughly follows the Olentangy River for about two-thirds of its length. The route passes through Ohio State University campus. The section between Interstate 670 and Interstate 70 is known as the West Innerbelt, and it is commonly referred to as such in traffic reports. The original name of this section was Sandusky Street.


Route description

Lawrence E. Hughes Memorial Highway

Southbound at 5th Avenue OHSR315.JPG
Southbound at 5th Avenue

Running in a north and south direction within Franklin County, commencing at the point where that state route crosses over King Avenue and extending northward to the boundary of Franklin County and Delaware County. [4]

Exit list

CountyLocationmi [5] [6] kmExitDestinationsNotes
Franklin Columbus 0.00–
I-70.svgI-71.svg I-70  / I-71  Wheeling, Cleveland, Dayton Mound-Sandusky Interchange; I-70 exit 99B; I-71 exit 106B.
1AUS 62.svgOH-3.svg US 62 (Rich Street) / SR 3 (Town Street) Split diamond interchange with one-way couplet
0.921.481BUS 40.svg US 40 (West Broad Street)Southbound exit from I-670/US 33 ramps only; exit to West Broad Street from OH-315 southbound is prohibited.
1CUS 33.svg US 33 (Dublin Road)Northbound exit and southbound entrance; part of Spring Sandusky Interchange
1DI-670.svgAirport Sign.svg I-670 (John Glenn Columbus International Airport)Northbound-westbound and eastbound-southbound movements handled by US 33, Spring Sandusky Interchange; I-670 exit 2B eastbound to 315 northbound, 2A-B westbound.
2To plate blue.svg
SR 315C (Goodale Street) / CR 9 (Olentangy River Road) to I-670
3Medical Center Drive/King AvenueNorthbound exit and southbound entrance; access to Ohio State University Wexner Medical Center
3CR 9 (Olentangy River Road) / CR 176 (Kinnear Road)Southbound exit and northbound entrance; southbound access to King Avenue, Fifth Avenue, and Third Avenue
4CR 59 (Lane Avenue)Access to Ohio State University, Ohio Stadium, Schottenstein Center and Upper Arlington
5CR 52M (Ackerman Road)
6Hospital sign.svg CR 523 (West North Broadway) / CR 9 (Olentangy River Road)Signed as exits 6A (west) and 6B (Olentangy River Road) northbound. Access to Riverside Methodist Hospital.
7CR 55 (Henderson Road) / CR 9 (Olentangy River Road)
8CR 67 (Bethel Road)
Worthington 10.22–
10OH-161.svg SR 161 (Dublin–Granville Road)
Sharon Township 11.66–
12I-270.svg I-270 (Jack Nicklaus Freeway)I-270 exits 22A-B; Modified cloverleaf interchange.
12.2819.76Northern end of freeway
Delaware Liberty Township 15.2224.49OH-750.svg SR 750 (Powell Road)
Delaware Township 22.4836.18US 23.svg US 23 (Columbus Pike)Northern terminus of SR 315
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

State Route 315C

State Route 315C

Location Columbus, Ohio
Length1.09 mi [7]  (1.75 km)

An unsigned State Route 315C exists which begins on the Interstate 670 westbound ramp to Neil Avenue, follows Neil south to the Goodale-Neil Connector and Goodale Avenue, then up Olentangy River Road and onto the ramp to State Route 315 southbound, where it ends. It is clear from the Straight Line Diagram that SR 315C exists westbound only. [7]

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  1. Ohio Department of Transportation. "Technical Services Straight Line Diagrams".
  2. "Route 315 Is Included In State Road System". Columbus Evening Dispatch . Columbus, Ohio. August 9, 1933. p. 6 via NewsBank.
  3. Google (17 August 2013). "Olentangy Freeway" (Map). Google Maps . Google. Retrieved 17 August 2013.
  4. "Ohio Revised Code 5533.90".
  5. Ohio Department of Transportation. "Ohio State Route 315 - Straight Line Diagram - Franklin County" (PDF).
  6. Ohio Department of Transportation. "Ohio State Route 315 - Straight Line Diagram - Delaware County" (PDF).
  7. 1 2 Ohio Department of Transportation. "Route 315C Straight Line Diagram" (PDF).
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