![State Routes 154 and 170 in Negley](https://upload.wikimedia.org/wikipedia/commons/3/3c/State_Routes_154_and_170_in_Negley.jpg)
State Route 170 (SR 170) is a north–south running
state route
A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
located in
Mahoning and
Columbiana counties in northeast
Ohio
Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
. It runs within a few miles of the
Pennsylvania
Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
border for much of its route as it passes through the eastern parts of the two counties. The southern terminus is at an interchange with
U.S. 30,
State Route 7
The following highways are numbered 7. For roads numbered A7, see list of A7 roads.
Route 7, or Highway 7, may refer to:
International
* AH7, Asian Highway 7
* European route E07
* European route E007
Afghanistan
*Kunduz-Khomri Highway (A7)
...
, and
State Route 11 near
Calcutta
Kolkata (, or , ; also known as Calcutta , List of renamed places in India#West Bengal, the official name until 2001) is the Capital city, capital of the Indian States and union territories of India, state of West Bengal, on the eastern ba ...
, and the northern at
U.S. 62
U.S. Route 62 or U.S. Highway 62 (US 62) runs from the Mexican border at El Paso, Texas, to Niagara Falls, New York, near the Canadian border. It is the only east-west United States Numbered Highway that connects Mexico and Canad ...
in
Youngstown
Youngstown is a city in the U.S. state of Ohio, and the largest city and county seat of Mahoning County. At the 2020 census, Youngstown had a city population of 60,068. It is a principal city of the Youngstown–Warren metropolitan area, which ...
.
ODOT extended the northern terminus from the previous point of
Interstate 680, changing signs on July 16 and 17, 2008.
History
In 1924, it became the original state highway where it routed from East Palestine to Petersburg. In 1931 the highway extended to East Liverpool along a previously unnumbered road. Later in 1962 it was extended to north of North Kingsville along previous route 90. The road was truncated at north of Poland in 1970.
[Route 170](_blank)
by John Simpson In 2008, it extended to U.S. 62 in Youngstown along the former
Route 625.
Major junctions
References
{{Reflist
170
Transportation in Columbiana County, Ohio
Transportation in Mahoning County, Ohio