Versions of See prior versions of a law on LawServer 2024 N.Y. Transportation Law 121 – Substitution of motor vehicles or trackless trolleys for cars on tracks; supplemental or extended operation 2023 N.Y. Transportation Law 121 – Substitution of motor vehicles or trackless trolleys for cars on tracks; supplemental or extended operation 2022 N.Y. Transportation Law 121 – Substitution of Motor Vehicles or Trackless Trolleys for Cars On Tracks; Supplemental or Extended Operation 2020 N.Y. Transportation Law 121 – Substitution of Motor Vehicles or Trackless Trolleys for Cars On Tracks; Supplemental or Extended Operation 2017 N.Y. Transportation Law 121 – Substitution of Motor Vehicles or Trackless Trolleys for Cars On Tracks; Supplemental or Extended Operation 2015 N.Y. Transportation Law 121 – Substitution of Motor Vehicles or Trackless Trolleys for Cars On Tracks; Supplemental or Extended Operation 2014 N.Y. Transportation Law 121 – – Substitution of Motor Vehicles or Trackless Trolleys for Cars On Tracks; Supplemental or Extended Operation 2013 N.Y. Transportation Law 121 – Substitution of motor vehicles or trackless trolleys for cars on tracks; supplemental or extended operation 2010 N.Y. Transportation Law 121 – Substitution of motor vehicles or trackless trolleys for cars on tracks; supplemental or extended operation