49 CFR § 605.3 - Definitions.
(b) For purposes of this part—
Administrator means the Federal Mass Transit Administrator or his designee.
Adequate transportation means transportation for students and school personnel which the Administrator determines conforms to applicable safety laws; is on time; poses a minimum of discipline problems; is not subject to fluctuating rates; and is operated efficiently and in harmony with state educational goals and programs.
Assistance means Federal financial assistance for the purchase of buses and the construction or operation of facilities and equipment for use in providing mass transportation services under the Acts, but does not include research, development and demonstration projects funded under the Acts.
Incidental means the transportation of school students, personnel and equipment in charter bus operations during off peak hours which does not interfere with regularly scheduled service to the public (as defined in the Opinion of the Comptroller General of the United States, B160204, December 7, 1966, which is attached as appendix A of this part).
Interested party means an individual, partnership, corporation, association or public or private organization that has a financial interest which is adversely affected by the act or acts of a grantee with respect to school bus operations.
Reasonable Rates means rates found by the Administration to be fair and equitable taking into consideration the local conditions which surround the area where the rate is in question.
School bus operations means transportation by bus exclusively for school students, personnel and equipment in Type I and Type II school vehicles as defined in Highway Safety Program Standard No. 17.
Tripper service means regularly scheduled mass transportation service which is open to the public, and which is designed or modified to accommodate the needs of school students and personnel, using various fare collections or subsidy systems. Buses used in tripper service must be clearly marked as open to the public and may not carry designations such as “school bus” or “school special”. These buses may stop only at a grantee or operator's regular service stop. All routes traveled by tripper buses must be within a grantee's or operator's regular route service as indicated in their published route schedules.
Urban area means the entire area in which a local public body is authorized by appropriate local, State and Federal law to provide regularly scheduled mass transportation service. This includes all areas which are either: (a) Within an “urbanized area” as defined and fixed in accordance with 23 CFR part 470, subpart B; or (b) within an “urban area” or other built-up place as determined by the Secretary under section 12(c)(4) of the Federal Mass Transit Act of 1964, as amended (49 U.S.C. 1608(c)(4)).