TRB’s Transit Cooperative Research Program (TCRP) Synthesis 70: Mobile Data Terminals explores the state-of-the-practice of mobile data terminals in transit and examines the capability of mobile data computers offered by technology vendors to the industry. The report also reviews wireless communications infrastructure that supports mobile data terminal (MDT) deployment in transit.  A copy of this report can be found at https://onlinepubs.trb.org/onlinepubs/tcrp/tcrp_syn_70.pdf