Car Insurance in Derry, NH: Driving Without an Exit

In 1984, Derry town officials looked at a map of Interstate 93 and noticed something odd: their town was growing faster than almost anywhere else along the corridor, and it was one of the only communities on the route without its own exit. More than four decades later, that's still true. Car insurance in Derry has quietly absorbed that fact into its pricing the whole time, because a town without a highway exit drives differently than one with it.

A Highway Exit Four Decades in the Making

Derry is New Hampshire's fourth-largest community, home to more than 34,000 people — bigger than the state capital. Planning for its own I-93 interchange, known as Exit 4A, began in 1984. An environmental impact process started in 1998, stalled in 2003, restarted under state direction in 2015, and as of 2026 is still under construction management by NHDOT. Local officials have warned it may not open until 2031 or later.

For everyone driving in Derry right now, that means the exit that should exist doesn't. It isn't a hypothetical inconvenience — it's four decades of daily commuters routing around a gap in the interstate system instead of through it.

Where the Traffic Actually Goes

Without a Derry-based interchange, NH Route 28 and the Route 28 Bypass carry the load that a direct highway exit would normally absorb. Drivers headed for I-93 either work their way north to Exit 4 in neighboring Londonderry or stay on Route 28 surface streets for trips a highway on-ramp would otherwise shorten. Average commute time in Derry runs close to 29 minutes — respectable for a town this size, but built on more intersections and traffic signals than a highway-adjacent commute would require.

The Trade-Off: Congestion Versus Crime

That surface-street pattern cuts one way on a policy — more stop-and-go driving generally means more exposure to the kind of low-speed collision claims that show up on collision coverage. It cuts the other way somewhere else. Derry's property crime rate, including vehicle theft, sits well under both the state and national averages, and comprehensive coverage prices against exactly that kind of risk. A town that's congested but not crime-heavy doesn't face the same premium pressure a city like Manchester does, where a high theft rate pushes rates toward the top of the state.

What That Nets Out To

New Hampshire's statewide averages run about $455 a year for minimum coverage and $1,555 for full coverage, for the drivers who carry it — remember, New Hampshire is still the only state that doesn't require insurance at all. Derry's minimum-coverage costs tend to land close to that state figure, while full coverage more commonly runs somewhere in the $1,500s to $1,700s, reflecting a town that's neither the cheapest nor the most expensive place in New Hampshire to insure a car.

• Don't skimp on collision coverage: Route 28's intersections see more stop-and-go claim activity than a highway-fed commute would.
• Keep comprehensive coverage reasonable: Derry's low crime numbers mean it's not the town's biggest cost driver, but it's still worth carrying.
• Carry at least 25/50/25 liability: it matches what New Hampshire law would eventually require anyway after an at-fault crash.
• Check pricing by ZIP: 03038 and East Derry's 03041 don't always price identically.

For more on whether New Hampshire's 25/50/25 floor covers enough for a commute like Derry's, see our minimum vs. full coverage guide.

Derry has spent 40 years driving around a highway exit that was supposed to exist decades ago. Until it does, price your policy for the town Derry actually is — Route 28 traffic and all — not the one the map suggests it should be.