I-78 Traffic Cameras: Lehigh Valley to Manhattan
Monitor real-time traffic cameras along all 144 miles of Interstate 78, from I-81 northeast of Harrisburg, Pennsylvania through Allentown, Phillipsburg, and northern New Jersey to the Holland Tunnel entrance to Lower Manhattan in New York City. Track the Lehigh Valley freight spine on TrafficVision.Live.
VIEW I-78 CAMERAS →Interstate 78 spans 144 miles from I-81 near Union Township, Pennsylvania (northeast of Harrisburg) through Allentown, Bethlehem, and northern New Jersey to the Holland Tunnel entrance in Jersey City, NJ — continuing as NY-9A in Lower Manhattan per Wikipedia's I-78 entry. I-78 replaced US-22 as the primary east-west route connecting Harrisburg to Allentown, Bethlehem, North Jersey, and Manhattan. Pennsylvania carries 78 miles (the longest state segment) from the western terminus to the Delaware River at Easton / Phillipsburg, where the Interstate 78 Toll Bridge crosses into New Jersey. New Jersey's 67.83 miles run through Phillipsburg, Clinton, Bedminster, Watchung, Newark, and Jersey City to the Holland Tunnel. PennDOT, 511PA, NJDOT, and 511NJ operate extensive I-78 camera coverage.
I-78 Route Overview
I-78 traverses 3 states: Pennsylvania (78 mi), New Jersey (68 mi), and New York (Holland Tunnel). The route connects the Harrisburg region through Pennsylvania Dutch country, the Lehigh Valley (Allentown, Bethlehem, Easton), across the Delaware River, through New Jersey's Hunterdon and Somerset counties, and into the Newark/Jersey City metro with the Holland Tunnel into Lower Manhattan.
Key I-78 Corridors and Bottlenecks
I-81 junction (Union Township, PA)
Western terminus
I-78 begins at I-81 — primary Harrisburg-to-NYC freight feeder.
Allentown / Bethlehem / Lehigh Valley
PA freight and commuter hub
Lehigh Valley's I-78 segment carries heavy truck volume plus commuter traffic to NYC and Philadelphia.
I-78 Toll Bridge (PA/NJ line)
Delaware River crossing
Per Wikipedia, the Interstate 78 Toll Bridge carries the highway over the Delaware River at Phillipsburg.
Central New Jersey
Hunterdon to Somerset
I-78 runs through Clinton, Bedminster, Watchung — bedroom communities for NYC commuters.
Holland Tunnel
Manhattan terminus
I-78 terminates at the Holland Tunnel entrance in Jersey City — Port Authority of NY/NJ operates the tunnel.
State-by-State Camera Coverage
Pennsylvania (78 miles — longest state segment) — PennDOT and 511PA. Harrisburg area, Hamburg, Lehighton, Allentown, Bethlehem, Easton coverage. See Pennsylvania traffic cameras guide.
New Jersey (68 miles) — NJDOT and 511NJ. Phillipsburg, Clinton, Bedminster, Watchung, Newark, Jersey City coverage. See New Jersey traffic cameras guide.
New York (Holland Tunnel) — Port Authority of NY/NJ operates the Holland Tunnel. See New York traffic cameras guide and NYC guide.
Track I-78 Traffic Live
Browse live state DOT camera feeds across all 144 miles of I-78 from Harrisburg to the Holland Tunnel.
VIEW I-78 CAMERAS →Major Events Affecting I-78
- 2026 FIFA World Cup at MetLife Stadium — major I-78 / NJ Turnpike corridor impact. See MetLife Stadium World Cup guide.
- NYC events (marathons, parades, New Year's Eve) — Holland Tunnel compounding
- Musikfest Bethlehem (August) — Lehigh Valley regional spike
- Lehigh University / Lafayette College rivalry — annual football
- Thanksgiving / Christmas-NYE travel — peak I-78 PA-NYC volume
- Hurricane / nor'easter events — periodic closures
Plan Your I-78 Route
Use the route builder to plot your drive along I-78 with every state DOT camera along the way.
BUILD YOUR ROUTE →How long is I-78?
Interstate 78 is 144 miles long per Wikipedia, running from I-81 near Union Township, Pennsylvania (northeast of Harrisburg) to the Holland Tunnel entrance in Jersey City, NJ. It traverses 3 states: Pennsylvania (78 mi), New Jersey (68 mi), and New York (Holland Tunnel).
Is the I-78 Toll Bridge a toll road?
Yes — the I-78 Toll Bridge carries I-78 over the Delaware River at Phillipsburg, NJ per Wikipedia. Operated by the Delaware River Joint Toll Bridge Commission. Tolls collected eastbound only (into NJ).
Does I-78 go to Manhattan?
Yes. I-78's eastern terminus is the Holland Tunnel entrance in Jersey City, NJ. The Holland Tunnel crosses under the Hudson River into Lower Manhattan, where I-78 continues as NY-9A (West Side Highway).
Are I-78 traffic cameras free to view?
Which I-78 segment has the worst traffic?
Holland Tunnel approach in Jersey City produces the heaviest recurring I-78 congestion — especially weekday AM westbound from Manhattan and PM eastbound approach. Lehigh Valley (Allentown / Bethlehem) has heavy truck volume but generally freer flowing.
Ready to Monitor I-78?
Track every mile from Harrisburg to the Holland Tunnel with live state DOT cameras — free, instant, no sign-up.
VIEW I-78 CAMERAS →