- View Route 1 Dover / Somersworth / Berwick
- View Route 2 Rochester / Somersworth / Dover / Newington / Portsmouth
- View Route 6 Farmington / Rochester
- View Route 7 Exeter / Newmarket / Stratham
- View Route 33 Downtown Dover / County Complex
- View Route 40 Pease Tradeport Trolley
- View Route 41 Lafayette Road Trolley
- View Route 100 Somersworth / Berwick / Kittery (PNSY Gate 1)
- View Route 101 Dover / Kittery (PNSY Gate 1)
- View Route 103 Rochester / Kittery (PNSY Gate 1)
- View Route 41CC Market Square / Kittery (PNSY Gate 1)
Become a Volunteer Driver
Help keep Portsmouth healthy by volunteering to drive seniors and adults with disabilities to their medical appointments.
Why I Ride
Why I Ride is a campaign to collect stories from our customers, and show the many faces of COAST passengers.
Our Future
Join the conversation as COAST looks at ways to improve its service for the future.
Advertise With Us
Advertising on COAST buses and bus shelters means your business is seen daily throughout the greater seacoast area.
Projects & Partnerships
COAST's growth is based on partnering with area organizations to collaboratively work to bring new public transit services to the region and promote existing services.