How WSDOT keeps traffic safely moving through avalanche zones


This video explores the procedures that Washington State department of transportation (WSDOT) are carrying out to keep dangerous areas of the I-90 Snoqualmie Pass and US 2 Stevens Pass safe from avalanches. Such procedures include ‘clearing’ snow with manmade avalanches and building road bridges over snowy areas where natural avalanches are most likely to occur.

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About Author


Rachelle joined Traffic Technology International in early 2016 after having worked for an HR magazine and prior to that, as a freelance sub editor for various lifestyle consumer magazines. As deputy editor, she supports the editor in making each issue and updating the website. Outside of work, she enjoys tap dancing, playing the piano and video games, and eating spicy food.