



Q-WARN User Needs (2)
Need to obtain roadway weather information to understand queuing conditions approaching weather event areas
Need to obtain information, if available,
from weather
systems or weather sensors system to identify queue areas associated with weather events, e.g. fog warnings, ice warnings, etc.
Need to disseminate queue warning information to other information dissemination systems on the roadway
To enable near-term gains, there may be a benefit in taking queue warning information
obtained from
the Q-WARN DMA and dissemination Q-WARN alerts utilizing existing DMS signs.
Need to obtain information from fixed queue generation points
To enable an effective queue warning
system, it would be
beneficial to obtain information from existing fixed queue generation points (e.g. border crossings, mainline metering,
toll payment
sites, etc.) especially those with queue length detection systems.
Need to obtain traffic information from arterial traffic signal systems
To facilitate queue warning on arterials, especially higher speed rural highways,
there is benefit in
obtaining real-time data from traffic signals systems to assist with impending queues and stop points.