Ohio State Route 315

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State Route 315 marker

State Route 315
Route information
Maintained by ODOT
Length: 22.48 mi[1] (36.18 km)
Existed: 1933 – present
Major junctions
South end: I‑70 / I‑71 in Columbus
  I‑670 in Columbus
I‑270 in Columbus
North end: US 23 near Delaware
Location
Counties: Franklin, Delaware
Highway system
SR 314 SR 316

State Route 315, or known locally as the Olentangy Freeway, running almost parallel to Olentangy River Road for most of its length,[2] is a north–south highway in central Ohio, mainly 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 near The Ohio State University campus.

The section between Interstate 670 and Interstate 70 is known as the West Innerbelt, and is commonly referred to as such in traffic reports. The original name of this section was Sandusky Street.

Route description[edit]

Lawrence E. Hughes Memorial Highway[edit]

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.[3]

Southbound at 5th Avenue


Exit list[edit]

All exits were unnumbered, but now numbered.

County Location Mile[4][5] km Destinations Notes
Franklin Columbus 0.00–
0.44
0.00–
0.71
I‑70 / I‑71 Mound-Sandusky Interchange
0.51–
0.79
0.82–
1.27
US 62 (Rich Street) / SR 3 (Town Street) Split diamond interchange with one-way couplet
0.92 1.48 US 40 (West Broad Street) Southbound exit and those on the on-ramp only; exit to West Broad Street from OH-315 southbound is prohibited. Access to Mount Carmel West Hospital
1.21–
1.70
1.95–
2.74
US 33 (Dublin Road) Northbound exit and southbound entrance; part of Spring Sandusky Interchange
1.29–
1.66
2.08–
2.67
I‑670 (Port Columbus International Airport) Northbound-westbound and eastbound-southbound movements handled by US 33, Spring Sandusky Interchange
1.97–
2.59
3.17–
4.17
SR 315C (Goodale Street) / CR 9 (Olentangy River Road) to I‑670
3.18–
3.26
5.12–
5.25
Medical Center Drive/King Avenue Northbound exit and southbound entrance; access to Ohio State University Wexner Medical Center
3.69–
3.81
5.94–
6.13
CR 9 (Olentangy River Road) / CR 176 (Kinnear Road) Southbound exit and northbound entrance; southbound access to King Avenue, Fifth Avenue, and Third Avenue
4.20–
4.49
6.76–
7.23
CR 59 (Lane Avenue) Access to Ohio State University, Ohio Stadium, Schottenstein Center and Upper Arlington
5.03–
5.35
8.10–
8.61
CR 52M (Ackerman Road)
5.69–
6.52
9.16–
10.49
CR 523 (West North Broadway) / CR 9 (Olentangy River Road) Access to Riverside Methodist Hospital
7.61–
8.11
12.25–
13.05
CR 55 (Henderson Road) / CR 9 (Olentangy River Road)
8.35–
8.83
13.44–
14.21
CR 67 (Bethel Road)
Worthington 10.22–
10.59
16.45–
17.04
SR 161 (Dublin–Granville Road)
Sharon Township 11.66–
12.28
18.76–
19.76
I‑270 (Jack Nicklaus Freeway) Modified cloverleaf interchange
12.28 19.76 Begin at-grade highway northbound and limited access highway southbound
Delaware Liberty Township 15.22 24.49 SR 750 (Powell Road)
Delaware Township 22.48 36.18 US 23 (Columbus Pike) Northern terminus of SR 315
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

State Route 315C[edit]

State Route 315C
Location: Columbus, Ohio
Length: 1.09 mi[6] (1.75 km)

An unsigned State Route 315C exists which begins on the I-670 westbound ramp to Neil Ave, follows Neil south to the Goodale-Neil Connector and Goodale Ave, then up Olentangy River Rd and onto the ramp to SR 315 southbound, where it ends. It is not clear from the Straight Line Diagram whether SR 315C exists in both directions, or westbound only.[6]

See also[edit]

List of unused highways in Ohio

References[edit]

Route map: Google / Bing