Amtrak · New York, NY – Harrisburg, PA
Keystone Service Cell Service & Coverage Map
Modeled coverage on board the Keystone Service, New York, NY to Harrisburg, PA. On the train, AT&T has the most solid coverage at 100% of the route, ahead of Verizon (99%) and T-Mobile (87%). Amber stretches are spotty: signal often works but may drop. AT&T's longest true dead zone runs about 0 miles near New York, NY.
The whole line at a glance
Harrisburg, PA on the left, New York, NY on the right. Scroll sideways on a phone. Hover a band for its mileposts. Verizon, on the train.
Carriers compared on the train
| Carrier | Coverage mix | Solid | Spotty | 5G | Dead-zone miles | Longest gap |
|---|---|---|---|---|---|---|
| AT&T Best on board | 100% | 0% | 96% | 0 | 0.0 mi | |
| Verizon | 99% | 1% | 55% | 0 | 0.0 mi | |
| T-Mobile | 87% | 12% | 81% | 2 | 1.5 mi |
Coverage summary
Verizon · On the train (in-vehicle model)
of the route has solid Verizon service on the train, plus 1% spotty
has modeled 5G; 44% at the faster 35/3 Mbps tier
longest dead zone (no signal in either model), near New York, NY
longest unbroken covered stretch, near Ardmore, PA
- 5G NR · 35/3 Mbps 44.4%
- 5G NR · 7/1 Mbps 10.2%
- 4G LTE 44.7%
- Spotty (outdoor-strength only) 0.7%
Verizon · Outdoor model
of the route has solid Verizon service outdoors
has modeled 5G; 93% at the faster 35/3 Mbps tier
longest dead zone (no signal in either model), near New York, NY
longest unbroken covered stretch, near Ardmore, PA
- 5G NR · 35/3 Mbps 93.0%
- 5G NR · 7/1 Mbps 4.1%
- 4G LTE 2.8%
AT&T · On the train (in-vehicle model)
of the route has solid AT&T service on the train
has modeled 5G; 79% at the faster 35/3 Mbps tier
longest dead zone (no signal in either model), near New York, NY
longest unbroken covered stretch, near Ardmore, PA
- 5G NR · 35/3 Mbps 79.1%
- 5G NR · 7/1 Mbps 16.4%
- 4G LTE 4.5%
AT&T · Outdoor model
of the route has solid AT&T service outdoors
has modeled 5G; 84% at the faster 35/3 Mbps tier
longest dead zone (no signal in either model), near New York, NY
longest unbroken covered stretch, near Ardmore, PA
- 5G NR · 35/3 Mbps 83.9%
- 5G NR · 7/1 Mbps 16.1%
T-Mobile · On the train (in-vehicle model)
of the route has solid T-Mobile service on the train, plus 12% spotty
has modeled 5G; 69% at the faster 35/3 Mbps tier
longest dead zone (no signal in either model), near Elizabethtown, PA
longest unbroken covered stretch, near Philadelphia, PA
- 5G NR · 35/3 Mbps 69.5%
- 5G NR · 7/1 Mbps 11.1%
- 4G LTE 6.3%
- Spotty (outdoor-strength only) 12.3%
- No modeled coverage 0.8%
Plan downloads and calls around Elizabethtown–Middletown (1.5 mi without coverage).
T-Mobile · Outdoor model
of the route has solid T-Mobile service outdoors
has modeled 5G; 96% at the faster 35/3 Mbps tier
longest dead zone (no signal in either model), near Elizabethtown, PA
longest unbroken covered stretch, near Philadelphia, PA
- 5G NR · 35/3 Mbps 95.8%
- 5G NR · 7/1 Mbps 3.0%
- 4G LTE 0.4%
- No modeled coverage 0.9%
Plan downloads and calls around Elizabethtown–Middletown (1.6 mi without coverage).
Station to station
In timetable order from New York, NY. Distances are along the track. Follows the carrier and model selected on the map.
| Segment | Miles | Coverage mix | Solid | 5G | Longest gap |
|---|---|---|---|---|---|
| New York → Newark | 10 | 100% | 87% | — | |
| Newark → Newark | 3 | 100% | 100% | — | |
| Newark → Trenton | 45 | 99% | 54% | — | |
| Trenton → Cornwells Heights | 15 | 100% | 54% | — | |
| Cornwells Heights → Philadelphia | 12 | 100% | 44% | — | |
| Philadelphia → Philadelphia | 4 | 100% | 63% | — | |
| Philadelphia → Ardmore | 8 | 100% | 56% | — | |
| Ardmore → Paoli | 11 | 100% | 60% | — | |
| Paoli → Exton | 8 | 100% | 29% | — | |
| Exton → Downingtown | 5 | 100% | 43% | — | |
| Downingtown → Coatesville | 6 | 100% | 77% | — | |
| Coatesville → Parkesburg | 6 | 100% | 38% | — | |
| Parkesburg → Lancaster | 24 | 99% | 44% | — | |
| Lancaster → Mount Joy | 11 | 100% | 71% | — | |
| Mount Joy → Elizabethtown | 7 | 100% | 82% | — | |
| Elizabethtown → Middletown | 8 | 95% | 34% | — | |
| Middletown → Harrisburg | 9 | 100% | 44% | — |
| Segment | Miles | Coverage mix | Solid | 5G | Longest gap |
|---|---|---|---|---|---|
| New York → Newark | 10 | 100% | 100% | — | |
| Newark → Newark | 3 | 100% | 100% | — | |
| Newark → Trenton | 45 | 100% | 88% | — | |
| Trenton → Cornwells Heights | 15 | 100% | 100% | — | |
| Cornwells Heights → Philadelphia | 12 | 100% | 100% | — | |
| Philadelphia → Philadelphia | 4 | 100% | 100% | — | |
| Philadelphia → Ardmore | 8 | 100% | 100% | — | |
| Ardmore → Paoli | 11 | 100% | 100% | — | |
| Paoli → Exton | 8 | 100% | 100% | — | |
| Exton → Downingtown | 5 | 100% | 100% | — | |
| Downingtown → Coatesville | 6 | 100% | 100% | — | |
| Coatesville → Parkesburg | 6 | 100% | 100% | — | |
| Parkesburg → Lancaster | 24 | 100% | 100% | — | |
| Lancaster → Mount Joy | 11 | 100% | 100% | — | |
| Mount Joy → Elizabethtown | 7 | 100% | 100% | — | |
| Elizabethtown → Middletown | 8 | 100% | 100% | — | |
| Middletown → Harrisburg | 9 | 100% | 100% | — |
| Segment | Miles | Coverage mix | Solid | 5G | Longest gap |
|---|---|---|---|---|---|
| New York → Newark | 10 | 100% | 100% | — | |
| Newark → Newark | 3 | 100% | 100% | — | |
| Newark → Trenton | 45 | 100% | 93% | — | |
| Trenton → Cornwells Heights | 15 | 100% | 100% | — | |
| Cornwells Heights → Philadelphia | 12 | 100% | 100% | — | |
| Philadelphia → Philadelphia | 4 | 100% | 100% | — | |
| Philadelphia → Ardmore | 8 | 100% | 100% | — | |
| Ardmore → Paoli | 11 | 100% | 100% | — | |
| Paoli → Exton | 8 | 100% | 87% | — | |
| Exton → Downingtown | 5 | 100% | 92% | — | |
| Downingtown → Coatesville | 6 | 100% | 100% | — | |
| Coatesville → Parkesburg | 6 | 100% | 60% | — | |
| Parkesburg → Lancaster | 24 | 100% | 92% | — | |
| Lancaster → Mount Joy | 11 | 100% | 100% | — | |
| Mount Joy → Elizabethtown | 7 | 100% | 100% | — | |
| Elizabethtown → Middletown | 8 | 100% | 100% | — | |
| Middletown → Harrisburg | 9 | 100% | 100% | — |
| Segment | Miles | Coverage mix | Solid | 5G | Longest gap |
|---|---|---|---|---|---|
| New York → Newark | 10 | 100% | 100% | — | |
| Newark → Newark | 3 | 100% | 100% | — | |
| Newark → Trenton | 45 | 100% | 100% | — | |
| Trenton → Cornwells Heights | 15 | 100% | 100% | — | |
| Cornwells Heights → Philadelphia | 12 | 100% | 100% | — | |
| Philadelphia → Philadelphia | 4 | 100% | 100% | — | |
| Philadelphia → Ardmore | 8 | 100% | 100% | — | |
| Ardmore → Paoli | 11 | 100% | 100% | — | |
| Paoli → Exton | 8 | 100% | 100% | — | |
| Exton → Downingtown | 5 | 100% | 100% | — | |
| Downingtown → Coatesville | 6 | 100% | 100% | — | |
| Coatesville → Parkesburg | 6 | 100% | 100% | — | |
| Parkesburg → Lancaster | 24 | 100% | 100% | — | |
| Lancaster → Mount Joy | 11 | 100% | 100% | — | |
| Mount Joy → Elizabethtown | 7 | 100% | 100% | — | |
| Elizabethtown → Middletown | 8 | 100% | 100% | — | |
| Middletown → Harrisburg | 9 | 100% | 100% | — |
| Segment | Miles | Coverage mix | Solid | 5G | Longest gap |
|---|---|---|---|---|---|
| New York → Newark | 10 | 100% | 100% | — | |
| Newark → Newark | 3 | 100% | 100% | — | |
| Newark → Trenton | 45 | 87% | 78% | — | |
| Trenton → Cornwells Heights | 15 | 93% | 86% | — | |
| Cornwells Heights → Philadelphia | 12 | 100% | 100% | — | |
| Philadelphia → Philadelphia | 4 | 100% | 100% | — | |
| Philadelphia → Ardmore | 8 | 100% | 100% | — | |
| Ardmore → Paoli | 11 | 100% | 100% | — | |
| Paoli → Exton | 8 | 84% | 70% | — | |
| Exton → Downingtown | 5 | 82% | 64% | — | |
| Downingtown → Coatesville | 6 | 100% | 91% | — | |
| Coatesville → Parkesburg | 6 | 68% | 68% | — | |
| Parkesburg → Lancaster | 24 | 76% | 72% | — | |
| Lancaster → Mount Joy | 11 | 96% | 88% | — | |
| Mount Joy → Elizabethtown | 7 | 87% | 66% | — | |
| Elizabethtown → Middletown | 8 | 35% | 24% | 1.5 mi | |
| Middletown → Harrisburg | 9 | 78% | 73% | — |
| Segment | Miles | Coverage mix | Solid | 5G | Longest gap |
|---|---|---|---|---|---|
| New York → Newark | 10 | 100% | 100% | — | |
| Newark → Newark | 3 | 100% | 100% | — | |
| Newark → Trenton | 45 | 100% | 98% | — | |
| Trenton → Cornwells Heights | 15 | 100% | 100% | — | |
| Cornwells Heights → Philadelphia | 12 | 100% | 100% | — | |
| Philadelphia → Philadelphia | 4 | 100% | 100% | — | |
| Philadelphia → Ardmore | 8 | 100% | 100% | — | |
| Ardmore → Paoli | 11 | 100% | 100% | — | |
| Paoli → Exton | 8 | 100% | 100% | — | |
| Exton → Downingtown | 5 | 100% | 100% | — | |
| Downingtown → Coatesville | 6 | 100% | 100% | — | |
| Coatesville → Parkesburg | 6 | 100% | 100% | — | |
| Parkesburg → Lancaster | 24 | 100% | 100% | — | |
| Lancaster → Mount Joy | 11 | 100% | 100% | — | |
| Mount Joy → Elizabethtown | 7 | 100% | 100% | — | |
| Elizabethtown → Middletown | 8 | 79% | 79% | 1.6 mi | |
| Middletown → Harrisburg | 9 | 100% | 100% | — |
Keystone Service cell service FAQ
Does the Keystone Service have cell service?
For most of the trip, yes. Inside the train, solid coverage (the FCC's in-vehicle model) reaches 100% for AT&T, 99% for Verizon, 87% for T-Mobile of the 192-mile route from New York, NY to Harrisburg, PA. Much of the rest is spotty rather than dead: AT&T has some signal on 100%, Verizon has some signal on 100%, T-Mobile has some signal on 99%.
Which carrier is best on the Keystone Service?
AT&T has the most modeled on-train coverage (100%), with 5G on 96% of the route. Verizon covers 99% and T-Mobile covers 87%.
Where is the longest dead zone on the Keystone Service?
AT&T: about 0 miles near New York, NY. Verizon: about 0 miles near New York, NY. T-Mobile: about 2 miles near Elizabethtown, PA.
Does Amtrak Wi-Fi work on the Keystone Service?
Amtrak Wi-Fi relies on cellular networks, so it generally weakens or drops in the same places your phone does. Expect it to be unreliable through the dead zones shown on this map.
How accurate is this coverage map?
It reflects carrier-reported modeled coverage published by the FCC (data as of Dec 31, 2025). It is not an onboard measurement. BarTrakr shows the FCC's in-vehicle model by default; the outdoor model is available with the Outdoor switch.
Can I use BarTrakr on the train without signal?
Yes. Tap “Save for offline” before you board. The route, coverage data and map background up to zoom 10 are stored on your device, and live tracking uses your phone's GPS, which works without cell service.
About this data
- Coverage: FCC Broadband Data Collection mobile coverage for Verizon, AT&T, T-Mobile, release D25 (as of Dec 31, 2025, published Oct 13, 2026).
- Route: U.S. DOT / BTS National Transportation Atlas Database, Amtrak Routes. Stations and stop order: Amtrak GTFS.
- On the train: colored where the FCC in-vehicle model shows coverage; amber (spotty) where only the outdoor model does; red where neither does.
- Stretches shorter than a quarter mile are merged into their neighbors; at train speed they last only seconds.