Ohio State Route 173

State Route 173
Route information
Maintained by ODOT
Length:	20.98 mi[1] (33.76 km)
Existed:	1924 – present
Major junctions
West end:	SR 44 near Alliance
	SR 183 in Alliance
East end:	SR 14/SR 9 in Salem
Location
Counties:	Stark, Mahoning, Columbiana
Highway system
Ohio highways Interstates • U.S. Routes • State Routes ← SR 172 SR 174 →

State Route 173 is located in northeastern Ohio, and runs east–west from State Route 44, about 4 miles (6.4 km) north of Louisville, Ohio to State Route 14 and State Route 9 in downtown Salem, Ohio. It primarily passes through Stark and Columbiana counties, though it also straddles the county line between Mahoning County and Columbiana County for some of its length. Much of the route is also ran in concurrency with U.S. Route 62.

Major intersections

County	Location	Mile	Destinations	Notes
Stark	Nimishillen Township	0.00	SR 44	Western terminus.
	Alliance	4.60	US 62 to SR 225	US 62 joins from south. Route 62T leads north to SR 225.
		7.80	SR 183	SR 183 crosses north–south.
Columbiana	Beloit	13.74	SR 165	SR 165 begins to the north (western terminus). SR 173/US 62 straddles Columbiana/Mahoning County line from Stark County line until near Salem.
	Damascus	15.80	SR 534	SR 534 begins to the north (southern terminus).
	Salem	19.71	US 62 SR 45	US 62 leaves to north. SR 45 crosses north–south.
		20.33	SR 14	SR 14 joins from the northwest.
		20.98	SR 14 SR 9	Eastern Terminus. SR 14 continues to the east, SR 9 runs east concurrent with SR 14 and to the south.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

History

• 1924 – Original State Highway established^[2]; Originally routed from 2 miles (3.2 km) north of Louisville to 1-mile (1.6 km) south of Beloit ^[3].
• 1931 – rerouted through Alliance along previous and current unnumbered roads; certified as SR 19^[3].
• 1972 - Rerouted along current routing; old route decertified ^[3].

References

1. ^ Mileages retrieved from Technical Services Straight Line Diagrams unless otherwise noted.
2. ^ Explanation of the Ohio State Highway System (The Unofficial Ohio State Highways Web Site) by John Simpson
3. ^ ^{a b c} Route 173 (The Unofficial Ohio State Highways Web Site) by John Simpson