emergency acknowledge   (Planned)  

Acknowledge request for emergency assistance and provide additional details regarding actions and verification requirements.

emergency data request   (Planned)  

A request for additional information or a control command issued by the emergency response agency in response to an emergency request for assistance from a traveler.

emergency notification   (Planned)  

An emergency request for assistance originated by a traveler using an in-vehicle, public access, or personal device or originated by a transit vehicle operator using an on-board device.