US Code - Subpart I: Public transportation other than by aircraft or certain rail operations

Section 12141 Definitions
Section 12142 Public entities operating fixed route systems
Section 12143 Paratransit as a complement to fixed route service
Section 12144 Public entity operating a demand responsive system
Section 12145 Temporary relief where lifts are unavailable
Section 12146 New facilities
Section 12147 Alterations of existing facilities
Section 12148 Public transportation programs and activities in existing facilities and one car per train rule
Section 12149 Regulations
Section 12150 Interim accessibility requirements

Actions applicable to public transportation provided by public entities considered discriminatory

Public transportation by intercity and commuter rail