RoadGuard Ignition Interlock

Address

29 Liberty Hill Dr, Henniker, NH 03242

Phone

(833) 611-1801

Website

roadguardinterlock.com/locations/new-hampshire/ignition-interlock-newhampshire-henniker-29-liberty-hill-dr-03242

Last checked September 23, 2026. Call ahead to confirm hours.

Listing details from Overture Maps open data.