maint and constr work plans
(Future)
Future construction and maintenance work schedules and activities including anticipated closures with anticipated impact to the roadway, alternate routes, anticipated delays, closure times, and durations.
request for road network conditions
(Future)
Request for traffic information, road conditions, surface weather conditions, incident information, and other road network status. The request specifies the region/route of interest, the desired effective time period, and other parameters that allow preparation of a tailored response. The request can be a subscription that initiates as-needed information updates as well as a one-time request for information.
request transit information
(Future)
Request for transit service information and current transit status.
road network conditions
(Future)
Current and forecasted traffic information, road and weather conditions, incident information, and other road network status. Either raw data, processed data, or some combination of both may be provided by this architecture flow.
road weather information
(Future)
Road conditions and weather information that are made available by road maintenance operations to other transportation system operators.
traffic control priority request
(Future)
Request for signal priority at one or more intersections along a particular route.
traffic control priority status
(Future)
Status of signal priority request functions at the roadside (e.g. enabled or disabled).
transit system data
(Future)
Current transit system operations information indicating current transit routes, the level of service on each route, and the progress of individual vehicles along their routes for use in forecasting demand and estimating current transportation network performance.