Car insurance in Randolph starts at the same statewide floor as every other New Jersey town, but few towns this size have had to call in state troopers just to keep one road moving. Randolph has about 26,780 residents spread across roughly 20 square miles of Morris County, and nearly all of them eventually end up on Route 10 — the single corridor that runs the length of the township.

That road carries more than local traffic. It's the main route to County College of Morris, a steady stream of I-287 and I-80 commuters, and, increasingly, drivers detouring around construction elsewhere on the highway network. Randolph's insurance picture starts with that road, not with the township's comfortable income numbers.

A Township Asked for Help With Its Own Road

According to WRNJ Radio, Randolph Township requested that the New Jersey State Police extend an existing Route 10 traffic management detail into four of its intersections: Canfield Avenue, Dover Chester Road, Center Grove Road, and Millbrook Avenue. The township's stated reason was blunt — extremely heavy traffic volumes and heightened safety concerns along the corridor.

Troopers now coordinate directly with NJDOT crews on signal timing at those intersections, actively managing flow rather than just responding after something goes wrong. That's a meaningfully different posture than most New Jersey suburbs take with their main roads.

Where the Extra Traffic Is Coming From

Part of the congestion isn't even generated by Randolph. The same report ties a chunk of the added Route 10 volume to road repairs on I-80 Eastbound near Exit 34, which sends detouring drivers straight through town on a road that was already carrying its own commuter and campus traffic.

Center Grove Road, one of the four intersections now getting dedicated coverage, sits right at the entrance to County College of Morris. Student and staff traffic layers on top of everything else moving through that stretch, which is exactly the kind of mixed, high-frequency exposure insurers weigh when they price a ZIP code.

Income Doesn't Change the Road, Just the Policy

Randolph's median household income runs well above New Jersey's statewide figure — comfortably into six figures by most Census estimates. That affects what Randolph drivers choose to buy, not what the risk actually costs. Insurers price liability and collision coverage against traffic volume and claims frequency for an area, and Route 10's numbers don't move just because the surrounding ZIP code is affluent.

Where the income does show up is coverage mix. Higher-income households more often carry full coverage on newer, financed vehicles instead of leaning on the state's bare liability minimums, simply because they have more vehicle value to protect.

What New Jersey Requires

As of January 1, 2026, New Jersey's Standard Policy requires at least $35,000 in bodily injury liability per person, $70,000 per accident, and $25,000 in property damage, plus $15,000 in PIP under the state's no-fault system. Statewide, minimum coverage averages $1,570 a year and full coverage averages $3,268 a year.

  • Confirm your policy meets the 2026 minimums: 35/70/25 liability plus $15,000 PIP is the current Standard Policy baseline statewide.
  • Ask how your insurer weighs corridor traffic volume: Route 10's documented congestion is a real, non-anecdotal rating factor here.
  • Carry full coverage if you're financing a newer vehicle: it's the piece of a policy liability alone doesn't touch.
  • Re-shop after any 2026 renewal: the new liability floor may already be baked into your premium without a side-by-side comparison.

For more on how much coverage to carry above the state floor, see our minimum vs. full coverage guide.

The New Jersey Department of Banking and Insurance publishes current Standard and Basic Policy minimums and fields complaints against licensed carriers — worth checking before signing with an insurer you haven't used before.

Randolph car insurance ultimately comes down to one road doing more work than it was built for — commuters, a college, and now highway overflow, all funneling through the same four intersections troopers didn't used to cover. Shop your quote with Route 10 in mind, not just the township's zip code reputation.