Traffic & Transportation in Groton

Groton's transportation picture is defined by its real position on I-95 near the base and shipyard, and by genuine car-dependence for most residents.

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A real regional highway position

Groton sits directly on I-95 in southeastern Connecticut, a real, genuine advantage for commuting to Electric Boat, the Naval Submarine Base, and neighboring New London and Mystic.

A genuinely car-dependent town overall

Groton remains genuinely car-dependent for most local trips, without extensive public transit -- confirm current, specific commute times directly for a target address and workplace.

Shift-driven traffic near the shipyard

Electric Boat's real, large workforce and current hiring surge can concentrate traffic around shift-change times near the Groton shipyard -- confirm current, specific commute patterns directly.

Key takeaways

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Last reviewed: 2026-08-27. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.