DOT Survey Asks Drivers about Visibility over Snoqualmie Pass - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

DOT Survey Asks Drivers about Visibility over Snoqualmie Pass

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Crews plan to install solar-powered LED lane markers on I-90, similar to this picture. Crews plan to install solar-powered LED lane markers on I-90, similar to this picture.

HYAK, WA - Drivers who squint to see lane stripes through rain, snow or ice on Snoqualmie Pass may want to weigh in on a new survey.

The Washington State Department of Transportation is asking drivers to take a few minutes to fill out an online survey regarding visibility of striping on Interstate 90 over Snoqualmie Pass.

The DOT says the responses from the survey will provide feedback about conditions before construction starts this summer on a pilot project aimed at improving visibility and safety on I-90.

"Snoqualmie Pass gets more than 400 inches of snow each year and one of the numerous challenges operating and maintaining Snoqualmie Pass is maintaining the stripes during the winter with the use of deicer, studded tires and chains," said Troy Suing, WSDOT assistant regional administrator. "We know we need something on the pass that can handle the harsh weather conditions that gives drivers the ability to see the lanes." 

The pilot project is the first in the state to install lane markings with solar-powered light-emitting diodes. WSDOT hopes the new style of lane markings will improve visibility of the lane lines despite the harsh weather conditions on the pass.

If successful, the solar-powered LED markers could possibly be used in other locations along the corridor.

WSDOT plans to conduct another online survey this fall to determine if visibility improved after installing the LED lane markings.

To learn more about what the survey hopes to determine, click here.  For a direct link to the survey, click here

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