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Road Weather Management > Traffic Control
Traffic control technologies improve traveler safety under poor weather conditions. A variety of technologies allow these control measures to be taken quickly in response to developing adverse weather.
In Oregon, automated wind warning systems cost approximately $90,000 each and annual O&M costs range between $3,000 and $3,500.(February 2006)
Portable DMS Rental - Capital cost/unit - $295(11/30/2017)
Portable DMS Rental - Capital cost/unit - $295(11/30/2017)
Portable DMS Rental - Capital cost/unit - $295(11/30/2017)
Contingency - Big Savage - Capital cost/unit - $7000(7 November 2003)
Furnish and install radio transmitter, cabinet, and omni-directional antenna - Big Savage - Capital cost/unit - $5000(7 November 2003)
ESS warning sign - Capital cost/unit - $13000(7 November 2003)
Furnish and install solar panel power system (repeater site and two warning signs) - Big Savage - Capital cost/unit - $7500(7 November 2003)
Environmental Sensing Station (Weather Station) Fog Upgrade - Capital cost/unit - $2500(7 November 2003)
RWIS Software - Capital cost/unit - $5000(7 November 2003)
ESS Contingency - Capital cost/unit - $14000(7 November 2003)
ESS solar panel power system - Capital cost/unit - $7000(7 November 2003)
ESS Electrical power and telephone connect - Capital cost/unit - $5000(7 November 2003)
Contingency - Keysers Ridge - Capital cost/unit - $6000(7 November 2003)
ESS (RWIS station) that provides contact closure under low visibility (fog) conditions - Capital cost/unit - $60000(7 November 2003)
Variable Speed Limit System shows promise; crashes reduced to lowest level in a decade.(October 2010)
A study of travelers on Snoqualmie Pass, WA found that DMS can decrease mean driving speeds and reduce accident severity.(December 2001)
In Oregon, the benefit-to-cost ratios for two automated wind warning systems were 4.13:1 and 22.80:1.(February 2006)