BarTrakr

Amtrak · Springfield, MA – New Haven, CT

Hartford Line Cell Service & Coverage Map

Modeled coverage on board the Hartford Line, Springfield, MA to New Haven, CT. On the train, AT&T has the most solid coverage at 100% of the route, ahead of Verizon (86%) and T-Mobile (82%). Amber stretches are spotty: signal often works but may drop. AT&T's longest true dead zone runs about 0 miles near Springfield, MA.

FCC data as of Dec 31, 2025 Released Oct 13, 2026 62 route miles · 9 stations Modeled, not measured

The whole line at a glance

New Haven, CT on the left, Springfield, MA on the right. Scroll sideways on a phone. Hover a band for its mileposts. Verizon, on the train.

5G NR · 35/3 Mbps: mile 0–34G LTE: mile 3–35G NR · 35/3 Mbps: mile 3–44G LTE: mile 4–6Spotty (outdoor-strength only): mile 6–64G LTE: mile 6–7Spotty (outdoor-strength only): mile 7–84G LTE: mile 8–16Spotty (outdoor-strength only): mile 16–164G LTE: mile 16–18Spotty (outdoor-strength only): mile 18–194G LTE: mile 19–19Spotty (outdoor-strength only): mile 19–224G LTE: mile 22–225G NR · 35/3 Mbps: mile 22–235G NR · 7/1 Mbps: mile 23–244G LTE: mile 24–245G NR · 35/3 Mbps: mile 24–295G NR · 7/1 Mbps: mile 29–304G LTE: mile 30–335G NR · 35/3 Mbps: mile 33–344G LTE: mile 34–375G NR · 35/3 Mbps: mile 37–374G LTE: mile 37–39Spotty (outdoor-strength only): mile 39–404G LTE: mile 40–405G NR · 35/3 Mbps: mile 40–414G LTE: mile 41–41Spotty (outdoor-strength only): mile 41–424G LTE: mile 42–435G NR · 7/1 Mbps: mile 43–444G LTE: mile 44–44Spotty (outdoor-strength only): mile 44–464G LTE: mile 46–475G NR · 7/1 Mbps: mile 47–474G LTE: mile 47–485G NR · 7/1 Mbps: mile 48–484G LTE: mile 48–50Spotty (outdoor-strength only): mile 50–514G LTE: mile 51–525G NR · 35/3 Mbps: mile 52–524G LTE: mile 52–545G NR · 35/3 Mbps: mile 54–544G LTE: mile 54–555G NR · 35/3 Mbps: mile 55–584G LTE: mile 58–585G NR · 7/1 Mbps: mile 58–594G LTE: mile 59–595G NR · 35/3 Mbps: mile 59–615G NR · 7/1 Mbps: mile 61–615G NR · 35/3 Mbps: mile 61–62SpringfieldWindsor LocksWindsorHartfordBerlinMeridenWallingfordNew HavenNew Haven
← New Haven, CTSpringfield, MA →

Carriers compared on the train

CarrierCoverage mixSolidSpotty5GDead-zone milesLongest gap
AT&T Best on board100%0%72%00.0 mi
Verizon86%14%37%00.0 mi
T-Mobile82%18%76%00.0 mi

Coverage summary

Verizon · On the train (in-vehicle model)

86%

of the route has solid Verizon service on the train, plus 14% spotty

37%

has modeled 5G; 32% at the faster 35/3 Mbps tier

0.0 mi

longest dead zone (no signal in either model), near Springfield, MA

17 mi

longest unbroken covered stretch, between Hartford and Berlin

  • 5G NR · 35/3 Mbps 31.6%
  • 5G NR · 7/1 Mbps 5.2%
  • 4G LTE 49.6%
  • Spotty (outdoor-strength only) 13.5%

Station to station

In timetable order from Springfield, MA. Distances are along the track. Follows the carrier and model selected on the map.

Verizon on the train, station to station
SegmentMilesCoverage mixSolid5GLongest gap
Springfield → Windsor Locks 15 91% 28% —
Windsor Locks → Windsor 4 70% 0% —
Windsor → Hartford 6 65% 46% —
Hartford → Berlin 11 100% 49% —
Berlin → Meriden 7 83% 25% —
Meriden → Wallingford 6 73% 20% —
Wallingford → New Haven 12 94% 58% —
New Haven → New Haven 1 100% 100% —

Hartford Line cell service FAQ

Does the Hartford Line 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, 86% for Verizon, 82% for T-Mobile of the 62-mile route from Springfield, MA to New Haven, CT. 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 100%.

Which carrier is best on the Hartford Line?

AT&T has the most modeled on-train coverage (100%), with 5G on 72% of the route. Verizon covers 86% and T-Mobile covers 82%.

Where is the longest dead zone on the Hartford Line?

AT&T: about 0 miles near Springfield, MA. Verizon: about 0 miles near Springfield, MA. T-Mobile: about 0 miles near Springfield, MA.

Does Amtrak Wi-Fi work on the Hartford Line?

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.

Read the methodology →