State Route 503 | ||||
|---|---|---|---|---|
 | ||||
| Route information | ||||
| Maintained by ODOT | ||||
| Length | 40.53 mi [1] (65.23 km) | |||
| Existed | 1937 [2] [3]–present | |||
| Major junctions | ||||
| South end | 
US 127 in
Seven Mile | |||
US 35 in
West Alexandria
I-70 in
Lewisburg
US 40 in Lewisburg | ||||
| North end | 
SR 121 in
Wayne Lakes | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Butler, Preble, Darke | |||
| Highway system | ||||
| ||||
| ||||
State Route 503 (SR 503) is a north–south state highway in the southwestern quadrant of the U.S. state of Ohio. The southern terminus of SR 503 is at U.S. Route 127 (US 127) in Seven Mile. Its northern terminus is at a T-intersection with SR 121 on the eastern limits of the village of Wayne Lakes.
Route description
Along its way, SR 503 travels through northern Butler County, eastern Preble County and southern Darke County. There are no segments of SR 503 that are included as a part of the National Highway System, a network of highways identified as being most important for the economy, mobility and defense of the nation. [4]
![[icon]](/info/en/?search=File:Wiki_letter_w_cropped.svg){kind=small} | This section needs expansion. You can help by
adding to it. (February 2011) |
History
The SR 503 designation was assigned in 1937. The highway was established along the routing that it maintains to this day between US 127 in Seven Mile and SR 121 in Wayne Lakes. No changes of major significance have taken place to the routing of the highway since its inception. [2] [3]
Major intersections
| County | Location | mi [1] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Butler | Seven Mile | 0.00 | 0.00 |
US 127 (Main Street) / Mill Road –
Hamilton | |
| Wayne Township | 0.97 | 1.56 | 
SR 73 (Trenton Oxford Road) –
Trenton,
Oxford | ||
| 4.61 | 7.42 | 
SR 744 (Somerville Jacksonburg Road) –
Somerville,
Jacksonburg | |||
| Preble | Gratis | 12.19 | 19.62 | 
SR 725 (South Street) | |
| 12.26 | 19.73 | 
SR 122 (Franklin Street) | |||
| West Alexandria | 19.16 | 30.84 |
US 35 (Dayton Street) | ||
| Harrison Township | 25.60 | 41.20 |
I-70 –
Columbus,
Indianapolis | Exit 14 (I-70) | |
| Lewisburg | 26.83 | 43.18 |
US 40 (Cumberland Street) | ||
| Darke | Ithaca | 32.71 | 52.64 |  
SR 722 east (Cross Street) | Southern end of SR 722 concurrency |
| Twin Township | 32.85 | 52.87 | 
SR 722 west | Northern end of SR 722 concurrency | |
| Butler Township | 38.94 | 62.67 |
US 127 –
Castine,
Greenville | ||
| Wayne Lakes | 40.53 | 65.23 |
SR 121 –
New Madison,
Fort Jefferson,
Greenville | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
- ^ a b Ohio Department of Transportation. "Technical Services Straight Line Diagrams". Retrieved 2011-02-26.
- ^ a b Official Ohio Highway Map ( MrSID) (Map). Cartography by ODOH. Ohio Department of Highways. 1936. Retrieved 2011-02-25.
- ^ a b Official Ohio Highway Map (MrSID) (Map). Cartography by ODOH. Ohio Department of Highways. 1937. Retrieved 2011-02-25.
- ^ National Highway System: Ohio (PDF) (Map). Federal Highway Administration. December 2003. Retrieved 2011-02-25.