The US Clean Air Act stipulates that any approved transportation project, plan, or program must conform to the State Implementation Plan, a document with prescribed procedures for the implementation, maintenance and enforcement of primary and secondary pollutants.

The conformity rule requires that transportation plans, programs, and projects conform to state air quality implementation plans (SIPs) and establishes the criteria and procedures to determine if plans comply. Conformity to a SIP means that transportation activities will not produce new air quality violations, worsen existing violations, or delay timely attainment of the national ambient air quality standards.

The ongoing federal process that ensures the planning for highway and transit systems, as a whole and over the long term, is consistent with the state air quality plans for attaining and maintaining health-based air quality standards; conformity is determined by metropolitan planning organizations (MPOs) and the U.S. Department of Transportation (U.S. DOT), and is based on whether transportation plans and programs meet the provisions of a State Implementation Plan.

A process in which transportation plans and spending programs are reviewed to ensure they are consistent with federal clean air requirements; transportation projects collectively must not worsen air quality.

Finding that a plan confirms with the SIP's purpose of eliminating or reducing the severity and number of violations of the National Ambient Air Quality Standards. Conformity also means that the plan will help achieve expeditious attainment of the standards, and that activities in the conforming plan will not a) cause of contribute to any new violations of any standard in any area, b) increase the frequency or severity of an existing violation of any standard in any area, or c) delay timely attainment of any standard or any required interim emission reductions or other milestones in any area.

Conformity is a determination made by the Metropolitan Planning Organizations (MPOs) and the U.S. DOT that transportation plans and programs in nonattainment and maintenance areas meet the purpose of the State Implementation Plan (SIP), which is reducing pollutant emissions to meet the National Ambient Air Quality Standards (NAAQS) criteria.

A demonstration of whether a federally-supported activity is consistent with the State Implementation Plan (SIP) - per Section 176 (c) of the Clean Air Act. Transportation conformity refers to plans, programs, and projects approved or funded by the Federal Highway Administration or the Federal Transit Administration. General conformity refers to projects approved or funded by other federal agencies.

The fulfillment of specified requirements. Same as compliance.

A process that ensures that highway and transit projects are consistent with state clean air plans.

Compliance with a specified quality standard.

The tendency, among young adults in particular, to adopt attitudes, styles of dress and behaviour patterns that are guided by peer pressure and the desire to belong to a group rather than by personal choice.

action in accordance with predetermined rules, customs, beliefs or styles

orthodoxy in thoughts and belief

A yielding to perceived group pressure.

is the degree to which members of a group will change their behavior, views and attitudes to fit the views of the group. Sometimes conformity is distinguished by type: compliance, conforming only publicly, but keeping one's own views in private; identification, conforming while a group member, publicly and privately, but not after leaving the group; and internalization, comforming publicly and privately, during and after group membership. Sociologists believe that compliance is conformity that is usually a result of a direct order while internalization is conformity that comes from one's total and utter belief in one's act.

Doing what others in the group do.

Conformity is changing one's behavior, views, and attitudes due to the real or imagined influence of others. The group can influence members through subconscious processes or by overt peer pressures on individuals. Conformity has many consequences, some of them are useful while others cause hysteria and tragedies.

Fulfillment by a product, process or service of all requirements specified. [ISO/IEC 86] See also Subclause 1.1.3 of [Ada95].

The fulfillment of a requirement.

The ability to satisfy specified requirements.

The tendency to change our perceptions, opinions, or behavior in ways that are consistent with group norms.

Conformity is the act of maintaining a certain degree of similarity (in clothing, manners, behaviors, etc.) to those in your general social circles or to those in authority. Usually, conformity implies a tendency to submit to others in thought and behavior other than simply clothing choice. It can also refer to

Bedding surface separating younger from older strata, along which there is no evidence of subaerial or submarine erosion or nondeposition and along which there is no evidence of a significant hiatus. Unconformities (sequence boundaries) and flooding surfaces (parasequence boundary) will pass laterally into correlative conformities, most commonly in deeper marine sediments.