Question: In what Ohio city does the highway which the northern terminus of Pennsylvania Route 75 interchanges with originate?

Context articles: Pennsylvania Route 837
Pennsylvania Route 550
U.S. Route 22 in Pennsylvania
U.S. Route 222 Business (Reading, Pennsylvania)
Pennsylvania Route 75
Pennsylvania Route 347
Pennsylvania Route 89
Pennsylvania Route 36
Pennsylvania Route 201
Pennsylvania Route 74

Pennsylvania Route 837 (PA 837) is a state route located in western Pennsylvania.
 The southern terminus of the route is at Pennsylvania Route 88 in the Carroll Township hamlet of Wickerham Manor.
 The northern terminus is at U.S. Route 19 and Pennsylvania Route 51 in downtown Pittsburgh at the junction of the Ohio, Allegheny and Monongahela rivers.
 The highway parallels the Monongahela River for all of its route with the exceptions of its extreme north and south ends.
 Popular amusement park Kennywood is located along this route.
Pennsylvania Route 550 (PA 550) is a 36 mile (58 km) long state highway in Pennsylvania.
 The southern terminus of the route is at Pennsylvania Route 45 Truck and Pennsylvania Route 453 east of Tyrone.
 The northern terminus is at Pennsylvania Route 64 in Zion.
U.S. Route 22 (US 22) is an east–west route stretching from Cincinnati, Ohio in the west to Newark, New Jersey in the east.
 In Pennsylvania, the route runs for 337.60 mi between the West Virginia state line at Washington County, where it is a limited-access expressway-grade route through the western suburbs of Pittsburgh, to the New Jersey state line at Easton.
U.S. Route 222 Business (US 222 Bus.)
 is a 12.17 mi business route of US 222 located in Reading, Pennsylvania.
 The southern terminus is at US 222 in Cumru Township.
 Its northern terminus is at US 222 in Ontelaunee Township.
 The route begins at the US 222 freeway and heads through the southwestern suburbs of Reading as Lancaster Avenue, intersecting Pennsylvania Route 724 (PA 724) in Shillington.
 US 222 Bus.
 continues into Reading on Lancaster Avenue and intersects the northern termini of PA 625 and PA 10 before reaching an interchange with the US 422 freeway.
 The business route crosses the Schuylkill River and becomes Bingaman Street.
 US 222 Bus.
 turns north on 5th Street and intersects US 422 Bus.
 in downtown Reading and the southern terminus of PA 61 to the north of downtown.
 The route interchanges with the PA 12 freeway and continues north through suburban Muhlenberg Township as 5th Street Highway.
 US 222 Bus.
 reaches Temple and continues northeast to its northern terminus as Allentown Pike.
 US 222 Bus.
 is the only auxiliary route of US 222 in Pennsylvania.
Pennsylvania Route 75 (PA 75) is a 71.2 mi north–south state highway located in central Pennsylvania.
 The southern terminus is at the Mason–Dixon line in Montgomery Township, where the road continues into Maryland as Maryland Route 494 (MD 494).
 The northern terminus is at an interchange with U.S. Route 22 (US 22) and US 322 northeast of Port Royal.
 PA 75 is a two-lane undivided road that passes through the Ridge-and-Valley Appalachians in Franklin and Juniata counties.
 The route heads north from the Maryland border in Franklin County to Mercersburg, where it runs concurrent with PA 16 and PA 416.
 From Mercersburg, PA 75 heads north and crosses US 30 in Fort Loudon before it runs northeast through a long valley, where it has an interchange with the Pennsylvania Turnpike (Interstate 76 or I-76) in Willow Hill.
 The route turns north and heads into Juniata County, where it continues through another valley.
 PA 75 passes through Port Royal and crosses the Juniata River before it comes to its terminus at US 22/US 322.
Pennsylvania Route 347 (PA 347) is a 10.8 mi state highway located in Lackawanna County, Pennsylvania.
 The southern terminus is at State Route 2020 (SR 2020) at Drinker and Blakely streets in Dunmore.
 The northern terminus is at PA 524 in Scott Township.
 The route runs through suburban areas to the northeast of Scranton, serving Dunmore, Throop, Olyphant, and Blakely.
 From here, PA 347 heads north through rural areas of farms and woods to its northern terminus.
 The route has interchanges with Interstate 81 (I-81)/U.S. Route 6 (US 6) in Dunmore and US 6 Business (US 6 Bus.)
 in Blakely and an intersection with PA 632 in Scott Township.
Pennsylvania Route 89 (PA 89) is a 50 mi north–south state highway located in northwestern Pennsylvania.
 The southern terminus of the route is at Pennsylvania Route 8 and Pennsylvania Route 27 in Titusville.
 The northern terminus is at Pennsylvania Route 5 north of North East.
Pennsylvania Route 36 (PA 36) is a 151.12 mi long state highway located in the U.S. state of Pennsylvania.
 The southern terminus is at Pennsylvania Route 26 near the Hopewell Township community of Yellow Creek.
 The northern terminus is at Pennsylvania Route 27 and Pennsylvania Route 227 in Pleasantville.
Pennsylvania Route 201 (designated by the Pennsylvania Department of Transportation as State Route 201, abbreviated PA 201) is a 25 mi south-north state highway located in Southwestern Pennsylvania in the counties of Fayette and Westmoreland.
 The southern terminus is at U.S. Route 119/PA 711 in Connellsville.
 The highway heads northwest and meets up with Pennsylvania Route 51 twice at two separate locations and Interstate 70 in Rostraver Township.
 The northern terminus is at Pennsylvania Route 136 in Rostraver Township.
Pennsylvania Route 74 (PA 74) is a 96.4 mi north–south state highway located in central Pennsylvania.
 The southern terminus of the route is at the Mason–Dixon line southwest of Delta, where PA 74 continues into Maryland as Maryland Route 165.
 The northern terminus is at Pennsylvania Route 75 south of Port Royal.