Roads of the Mid-South & West > Highways of the Commonwealth of Pennsylvania > Pennsylvania State Route 42 > Pennsylvania State Route 42, Columbia County

Pennsylvania State Route 42 Columbia County

Pennsylvania State Route 42 is a north-south highway in Columbia County. It runs from Pennsylvnaia State Route 61, at Centralia, to the Columbia/Lycoming County Line, near Unityville.

---

PA St Rt 42 passes through the following towns in Columbia County.
Centralia
Aristes
Numidia
Slabtown
Queen City
Catawissa
Bloomsburg

Mordansville
Millville
Iola
Sereno

---

PA St Rt 42 is multi-plexed in Columbia County.
Pennsylvania State Route 487, near Catawissa.
U.S. Rt. 11, at Bloomsburg.

---

PA St Rt 42 intersects the following highways in Columbia County.
Pennsylvania State Route 61, at Centralia.
Pennsylvania State Route 487, near Catawissa.
Pennsylvania State Route 487, at Catawissa.
U.S. Rt. 11, at Bloomsburg.
U.S. Rt. 11, at Bloomsburg.
Interstate 80, near Bloomburg.
Pennsylvania State Route 44, near Bloomburg.
Pennsylvania State Route 254, at Millville.
Pennsylvania State Route 442, at Iola.

---

A BGS on EB U.S. Rt. 11.

EB U.S. Rt. 11/NB PA St Rt 42 at Fishing Creek.

A BGS on EB U.S. Rt. 11/NB PA St Rt 42.

---

8 September 2025