Ohio State Route 45

State Route 45
State Route 45
	Route of SR 45 highlighted in red
Route information
	Maintained by ODOT
Length	96.56 mi (155.40 km)
Existed	1924–present
Major junctions
South end	SR 7 / SR 39 in Wellsville
	US 30 near Lisbon; US 62 / SR 14 near Salem; US 224 in Ellsworth; US 422 in Warren; US 322 in Orwell; US 6 in Rome; I-90 near Ashtabula; US 20 near Ashtabula;
North end	SR 531 near Ashtabula
Location
Country	United States
State	Ohio
Counties	Columbiana, Mahoning, Trumbull, Ashtabula
Highway system
	Ohio State Highway System; Interstate; US; State; Scenic;

State Route 45 (SR 45) is a north–south state highway in the northeastern portion of the U.S. state of Ohio. Its southern terminus is at the State Route 7/State Route 39 concurrency in Wellsville, and its northern terminus is at State Route 531 about three miles (4.8 km) west of Ashtabula.