TRB Transit Cooperative Research Program (TCRP) Synthesis 37: Communicating with Persons with Disabilities in a Multimodal Transit Environment describes current North American transit practice in information and communication technologies, as well as operations, implementation, and human factor issues. Attention is given to information and communication technologies related to planning, customer service, marketing, and training that can improve the travel experience for all persons traveling in a transit environment. The focus is on the communication techniques and technologies for persons with sensory and cognitive disabilities. 

The report is published at https://onlinepubs.trb.org/onlinepubs/tcrp/tsyn37.pdf