The Wyoming Department of Transportation will open up WYO 22, Teton Pass to eastbound trailer traffic under 40,000 gross vehicle weight starting May 1st. WYDOT extended the seasonal trailer traffic closure there in the eastbound direction earlier this year, due to the closure of the arrestor system. However, a temporary system called a “sand barrel array” is being installed within the current catch-net arrestor, within the next 2-3 weeks and will remain active until the permanent changes can be implemented on the arrestor. A “sand barrel array” utilizes a configuration of impact barrels filled with varying amounts of weight or sand to stop an errant vehicle. The barrels, filled with varying amounts of sand, disperse on impact and slow an errant vehicle, eventually stopping it. This system is most efficient for lighter weight trucks at lower speeds. Currently, there is only one escape ramp open on Teton Pass, located at milepost 8.2, which is approximately a mile above the current closed vehicle arrestor.
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