SPD-HARM User Needs (2)
92
User Type
User Need
Description
6
Roadway System
Need to obtain information from traditional roadway weather sensor systems, in near real time, to assess roadway weather conditions
Need to obtain information, if available, from weather systems or weather sensors system to determine how and when speed harmonization should occur related to weather conditions
7
Roadway System
Need to disseminate speed harmonization information to other information dissemination systems on the roadway
To enable near-term gains, there may be a benefit in taking speed harmonization information obtained from the INFLO DMA and dissemination speed recommendations using traditional infrastructure, e.g. utilizing existing VSL or DMS signs.
8
Roadway System
Need to obtain information from ramp metering systems
To enable speed harmonization that is coordinated with ramp metering systems, there is a need to obtain real-time information from ramp metering systems or controllers
9
Roadway System
Need to obtain traffic information from arterial traffic signal systems
To facilitate speed harmonization on arterials, there is benefit in obtaining
real-time data
from traffic signals systems related to vehicle detection, signal time plans and signal coordination