encyclopedia

AMALGAMATED TRANSIT UNION

A major labor union representing workers in the transit industry; membership is limited to operators, mechanics and other non-supervisory employees of the transit industry. (APTA) The ATU also represents the parallel job positions in the rail system as well as…

AMBIENT AIR QUALITY

A physical and chemical measure of the concentration of various chemicals in the outside air, usually determined over a specific time period, for example, 5 minutes, 1 hour, or 1 day. (TRB)

AMBULATORY HANDICAPPED

Handicapped people who are able to move around without assistance. In the context of transportation, the term usually refers to people who, although handicapped, are able to use regular transportation services without assistance or special equipment such as wheelchair lifts.…

AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS

American Association of State Highway and Transportation Officials (AASHTO). Membership includes state and territorial highway and transportation departments and agencies and the U.S. Department of Transportation. Its goal is to develop an improve methods of administration, design, construction, operation and…

AMERICAN BUS ASSOCIATION

(ABA) Membership is primarily privately owned bus operating firms in intercity, local, charter, and tour bus service; bus manufacturers; oil and gas refiners and distributors; travel and tourism organizations; and others concerned with the operation of bus service and promotion…

AMERICAN FEDERATION OF STATE COUNTY AND MUNICIPAL EMPLOYEES

American Federation of State County and Municipal Employees. A union at the LACMTA representing maintenance and transportation supervisors.

AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS

the voice of the accounting profession since 1887. The AICPA prides itself on its serving the CPA profession and the public interest to which it is profoundly committed. AICPA members work in all sectors of the business and financial services…

AMERICAN PUBLIC TRANSPORTATION ASSOCIATION

American Public Tranportation Association (APTA). An International, nonprofit trade association representing the public transit industry. APTA members include more than 400 public transit systems, as well as state and local departments of transportation and planning agencies, manufacturers and suppliers of…

AMERICAN PUBLIC WORKS ASSOCIATION

American Public Works Association (APWA). Members include those involved in the theory and practice of the design, construction, maintenance, administration, and operation of public works facilities and services. It conducts historical research on public works subject; sponsors research and educational…

AMERICANS WITH DISABILITIES ACT ACCESSIBILITY GUIDELINES

Americans with Disabilities Act Accessibilty Guidelines — These regulations apply to new construction, as well as to any alterations of existing structures, and provide specific guidance in implementing the ADA.