Benefits · Transportation

How to apply for NJ Transit (Northeast Corridor + River Line Light Rail) + Local Bus (Mercer County)

NJ Transit serves Mercer County. Mercer County: NJ Transit Northeast Corridor (Trenton, Hamilton, Princeton Junction — Trenton is also the southern terminus for SEPTA's regional rail to Philly) + River Line Light Rail (Trenton-Camden, NJ's only diesel light rail). Local NJ Transit bus + Princeton TigerTransit. NJ Transit Senior Reduced Fare half-fare for 62+. Trenton/Mercer is NJ's transit-system intersection with PA SEPTA.

Who it's for

NJ Transit (Northeast Corridor + River Line Light Rail) + Local Bus serves Mercer County. Mercer County: NJ Transit Northeast Corridor (Trenton, Hamilton, Princeton Junction — Trenton is also the southern terminus for SEPTA's regional rail to Philly) + River Line Light Rail (Trenton-Camden, NJ's only diesel light rail). Local NJ Transit bus + Princeton TigerTransit. NJ Transit Senior Reduced Fare half-fare for 62+. Trenton/Mercer is NJ's transit-system intersection with PA SEPTA.. NJ Transit Senior Reduced Fare ID required for half-fare — apply at NJ Transit customer service center or via mail-in form. Access Link statewide ADA paratransit within ¾ mile of NJ Transit bus routes.

Mercer: NJ Transit Senior Reduced Fare (half-fare 62+) + Access Link statewide ADA paratransit.

What you'll need

Proof of Mercer County / NJ residency
Proof of age 62+
Photo identification

Where to apply

Apply online: official application

By phone: 973-491-7600

Renewals

Senior ID is permanent

Official source →Last verified · June 11, 2026

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Not legal or financial advice. The agency makes the final eligibility decision.