MileCheckNew Jersey packs a lot of highway into a small state — and, uniquely, a lot of overlapping numbering. Here's how mile markers work on the Turnpike, the Parkway, and the interstates, and how to see your exact one plus live New Jersey road alerts in real time.
The dual-numbering state
Most states have one milepost system per road. New Jersey has two of its biggest highways running their own: the New Jersey Turnpike and the Garden State Parkway each keep independent mileposts. And where the Turnpike carries I-95, the same stretch of pavement has different numbers depending on which system you're reading. That's why the golden rule in New Jersey is to name the road first — "Turnpike, mile 74" means something different from "I-95, mile 74." MileCheck carries both, along with every other New Jersey highway, bundled to work offline.
The corridors people actually drive
- The Garden State Parkway runs about 172 miles from Cape May at mile 0 to the New York line, the shore-traffic backbone of the state.
- The New Jersey Turnpike carries the heaviest truck and through traffic in the Northeast, overlapping I-95 for much of its run.
- I-78 and I-80 cross the state east–west toward the Hudson crossings.
- I-295 and US-1 handle the Philadelphia-side and central corridors.
Where mile markers matter most
On the Parkway in summer, shore traffic turns a fender-bender into a miles-long backup — and the location of every incident is given by milepost. On the Turnpike, knowing your mile marker (and saying "Turnpike," not "I-95") is what gets a tow truck to the right roadway, since the inner and outer roadways and the overlapping interstate numbering can confuse even locals.
Shore traffic, storms, and drawbridges
New Jersey's hazards are mostly human-made — summer shore congestion, dense truck traffic, and constant construction — but coastal storms and nor'easters flood shore routes and shut causeways too. The shore is also drawbridge country: movable spans carry traffic across the back bays and inlets, and an opening can stall a whole barrier island. MileCheck maps New Jersey's drawbridges, so you know where the movable spans are before you're stopped at one.
Live New Jersey alerts, in one place
MileCheck pulls live New Jersey road alerts — closures, crashes, and work zones — tied to route and mile marker so you can see what's ahead of you before you commit to the Turnpike or the Parkway. Alerts are live across the state, and mile markers for every New Jersey highway work even with no signal.
Everyday and emergency
Whether you're crawling toward the shore on a July Saturday, reporting a breakdown on the Turnpike, or telling a tow dispatcher exactly which roadway you're on, the mile marker — plus the road's name — is the location New Jersey runs on. MileCheck shows yours in real time, down to a tenth of a mile, in the car via CarPlay and Android Auto too.
Keep reading
Nearby state guides: Delaware · New York · Pennsylvania
New Jersey drawbridges: every movable bridge, its opening rules →
Essentials: What to tell 911 on the highway · How to find your mile marker · Browse the live mile marker map · All 50 states