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Planning Guidance for the Installation and Use of Technology Devices for Transportation Operations and Maintenance

ENTERPRISE Transportation Pooled Fund Study

RWIS Guideline 2 - Support Regional, Statewide or Provincial Weather Monitoring

Purpose: To monitor weather and road surface conditions on a regional, statewide, or provincial grid in order to support wide area weather monitoring and/or modeling and weather prediction in support of snow and ice management activities.

Engineering judgment should be used to assess potential implications that may result from installation of RWIS. This planning guidance does not mandate the use of RWIS.

1. The candidate region, state, or province typically encounters 10 or more inclement weather events each year.

AND

2a. The transportation agency responsible for maintenance in the region, state, or province has (or is planning) the ability to utilize grid weather reports (either manually or with the help of a decision support system) to influence their treatment of conditions.

OR

2b. The transportation agency responsible for traveler information in the region, state, or province operates (or is planning to operate) a region-wide traveler information system including weather reports throughout the area.

AND

3. The transportation agency responsible for maintenance and the agency responsible for traveler information in the region has examined and/or tested current perpetual data sources (e.g. NWS) and determined that these sources do not fully meet the needs for the region.