Subpart A -- General
Section 1192.1 Purpose.
This part provides minimum guidelines and requirements for accessibility
standards to be issued by the Department of Transportation in 49 CFR part 37
for transportation vehicles required to be accessible by the Americans with
Disabilities Act (ADA) of 1990, 42 U.S.C. 12101 et seq.
Section 1192.2 Equivalent facilitation.
Departures from particular technical and scoping requirements of these
guidelines by use of other designs and technologies are permitted where the
alternative designs and technologies used will provide substantially
equivalent or greater access to and usability of the vehicle. Departures are
to be considered on a case-by-case basis by the Department of Transportation
under the procedure set forth in 49 CFR 37.7.
Section 1192.3 Definitions.
Accessible means, with respect to vehicles covered by this part,
compliance with the provisions of this part.
Automated guideway transit (AGT) system means a fixed-guideway
transportation system which operates with automated (driverless) individual
vehicles or multi-car trains. Service may be on a fixed schedule or in
response to a passenger-activated call button. Such systems using small, slow
moving vehicles, often operated in airports and amusement parks, are sometimes
called "people movers".
Bus means any of several types of self-propelled vehicles, other than an
over-the-road bus, generally rubber tired, intended for use on city streets,
highways, and busways, including but not limited to minibuses, forty- and
thirty-foot transit buses, articulated buses, double-deck buses, and electric
powered trolley buses, used to provide designated or specified public
transportation services. Self- propelled, rubber tire vehicles designed to
look like antique or vintage trolleys or street cars are considered buses.
Common wheelchairs and mobility aids means belonging to a class of three
or four wheeled devices, usable indoors, designed for and used by persons with
mobility impairments which do not exceed 30 inches in width and 48 inches in
length, measured 2 inches above the ground, and do not weigh more than 600
pounds when occupied.
Commuter rail car means a rail passenger car obtained by a commuter
authority (as defined by 49 CFR 37.3) for use in commuter rail transportation.
Commuter rail transportation means short-haul rail passenger service
operating in metropolitan and suburban areas, operated by a commuter authority
whether within or across the geographical boundaries of a state, usually
characterized by reduced fare, multiple ride, and commutation tickets and by
morning and evening peak period operations. This term does not include light
or rapid rail transportation.
Demand responsive system means any system of transporting individuals,
including the provision of designated public transportation service by public
entities and the provision of transportation service by private entities,
including but not limited to specified public transportation service, which is
not a fixed route system.
Designated public transportation means transportation provided by a
public entity (other than public school transportation) by bus, rail, or other
conveyance (other than transportation by aircraft or intercity or commuter
rail transportation) that provides the general public with general or special
service, including charter service, on a regular and continuing basis.
Fixed route system means a system of transporting individuals (other
than by aircraft), including the provision of designated public transportation
service by public entities and the provision of transportation service by
private entities, including but not limited to specified public transportation
service, on which a vehicle is operated along a prescribed route according to
a fixed schedule.
High speed rail means an intercity-type rail service which operates
primarily on a dedicated guideway or track not used,for the most part, by
freight, including, but not limited to, trains on welded rail, magnetically
levitated (maglev) vehicles on a special guideway, or other advanced
technology vehicles, designed to travel at speeds in excess of those possible
on other types of railroads.
Intercity rail passenger car means a rail car intended for use by
revenue passengers obtained by the National Railroad Passenger Corporation
(Amtrak) for use in intercity rail transportation.
Intercity rail transportation means transportation provided by Amtrak.
Light rail means a streetcar-type vehicle railway operated on city
streets, semi-private rights-of-way, or exclusive private rights- of-way.
Service may be provided by step-entry vehicles or by level- boarding.
New vehicle means a vehicle which is offered for sale or lease after
manufacture without any prior use.
Over-the-road bus means a vehicle characterized by an elevated passenger
deck located over a baggage compartment.
Rapid rail means a subway-type transit vehicle railway operated on
exclusive private rights-of-way with high-level platform stations. Rapid rail
may also operate on elevated or at-grade level track separated from other
Remanufactured vehicle means a vehicle which has been structurally
restored and has had new or rebuilt major components installed to extend its
Specified public transportation means transportation by bus, rail, or
any other conveyance (other than aircraft) provided by a private entity to the
general public, with general or special service (including charter service) on
a regular and continuing basis.
Tram means any of several types of motor vehicles consisting of a
tractor unit, with or without passenger accommodations, and one or more
passenger trailer units, including but not limited to vehicles providing
shuttle service to remote parking areas, between hotels and other public
accommodations, and between and within amusement parks and other recreation
Used vehicle means a vehicle with prior use.
Section 1192.4 Miscellaneous instructions.
(a) Dimensional conventions. Dimensions that are not noted as minimum or
maximum are absolute.
(b) Dimensional tolerances. All dimensions are subject to conventional
engineering tolerances for material properties and field conditions, including
normal anticipated wear not exceeding accepted industry-wide standards and
(c) Notes. The text of these guidelines does not contain notes or
footnotes. Additional information, explanations, and advisory materials are
located in the Appendix.
(d) General terminology. The terms used in this part shall have the
(1) Comply with means meet one or more specification of these
(2) If, or if...then denotes a specification that applies only when the
conditions described are present.
(3) May denotes an option or alternative.
(4) Shall denotes a mandatory specification or requirement.
(5) Should denotes an advisory specification or recommendation and is
used only in the appendix to this part.