S90 (New York City bus)

The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Staten Island, New York, United States. Some of them are the direct descendants of streetcar lines (see list of streetcar lines in Staten Island). Most of the routes run to the St. George Ferry Terminal of the Staten Island Ferry. At least one other route is operated by a private company.

This table gives details for the routes prefixed with "S" - in other words, those considered to run primarily in Staten Island by the MTA. For details on routes with other prefixes, see the following articles:

Routes S40, S46, S48, S51, S53, S62, S74, and S78 run 24 hours a day.

Operated as a Select Bus Service (SBS) route with specially-wrapped buses, the S79 provides full-time limited-stop service. Formerly a local route, the S79 was converted to an SBS route in 2012, with the number of stops cut by about three-quarters.

The S93 runs weekdays from 6:00am to 10:00pm. Other routes run weekday rush hours only.

Except for the S61, all current Staten Island bus routes originally had different designations before they were renumbered by service patterns, as follows:

Old and new routes are given below, along with discontinued service patterns. In addition, before 1975, routes were designated with R (for Richmond, the borough's official name before 1975) instead of S. The R designation is shown in the "Old Route" section.

Ramp "A"

Ramp "B"

Ramp "C"

Ramp "E"

Ramp "A"

Ramp "E"

Ramp "D"

Ramp "E"

Ramp "C"

Ramp "B"

Mostly a rush hour service.

Ramp "B"

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