An intercity bus service (North American English) or intercity coach service (British English and Commonwealth English), also called a long-distance, express, over-the-road, commercial, long-haul, or highway bus or coach service, is a public transport service using coaches to carry passengers significant distances between different cities, towns, or other populated areas.

Public transport bus services are generally based on regular operation of transit buses along a route calling at agreed bus stops according to a published public transport timetable.

contracts issued by the Government of New South Wales to metropolitan bus operators in Sydney, Australia, to operate its public bus route network.

(SBS; stylized as +selectbusservice) a service provided by the Metropolitan Transportation Authority's Regional Bus Operations for limited-stop bus routes with some bus rapid transit features in New York City.

The Premium Point-to-Point Bus Service, formerly known as Express Connect, is an express bus service in the Philippines administered by the Department of Transportation and operated by private bus companies in partnership with the Land Transportation Franchising and Regulatory Board.

A tour bus service is an escorted tour (sometimes a package holiday) or bus service that takes visitors sightseeing, with routes around tourist attractions.

A rail replacement bus service uses buses to replace a passenger train service on a temporary or permanent basis.