<\/a>Elected officials prepare to break ground on the State Route 18\/I-90 interchange project. From left: Snoqualmie Mayor Katherine Ross, State Rep. Lisa Callan, U.S. Rep Kim Schrier, State Sen. Mark Mullet, Snoqualmie Tribal Chairman Robert de los Angeles. Photo by Conor Wilson\/Valley Record<\/p><\/div>\n\t\t\t\t
Local momentum<\/p>\n\t\t\t\t
For the estimated 4,000 workers in Snoqualmie and North Bend, including school teachers and hospital staff, who travel over SR 18 daily for work, the interchange improvement could deliver much faster and safer commutes. It could also help aid city businesses struggling to hire and retain workers.<\/p>\n\t\t\t\t
Work on SR 18 has long been a priority for leaders in the Valley, who joined leaders in Issaquah, Maple Valley and Covington as the South East Area Legislative Transportation Coalition to advocate for improvements along SR 18 as their top priority.<\/p>\n\t\t\t\t
“It’s that determination and that single-minded focus — that really coming together — that really brought this [forward],” State Rep. Lisa Callan said of the SLTC’s efforts.<\/p>\n\t\t\t\t
It was that local momentum that allowed state leaders to go after funding for the project. State Sen. Mark Mullet said that took years of collaboration and required those outside of the Highway 18 corridor to see the benefits of the project on a state-wide level.<\/p>\n\t\t\t\t
Mullet said he held his first meeting on SR 18 back in 2013. Although the project received funding in a 2015 state transportation package, Mullet said it was not until 2017 that they were able to move the project forward.<\/p>\n\t\t\t\t
“We can’t give birth to a transportation baby without a lot of help from people who don’t live here,” he said. “It helps to pick a road that elected officials in Eastern Washington need to use to get to Olympia, and I was extremely grateful.”<\/p>\n\t\t\t\t
The SR 18\/I-90 interchange project is expected to begin this November and wrap by 2025. It is expected to bring four weekend closures near the intersection as well as occasional lane and speed reduction.<\/p>\n\t\t\t\t
Construction will build a diverging diamond interchange. The Washington State Department of Transportation (WSDOT) said this type of interchange will reduce the number of traffic lights and drop the number of conflict points between vehicles from 26 to 14. According to WSDOT, that means up to a 15% reduction in crashes and a 36% reduction in fatalities.<\/p>\n\t\t\t\t
Further, construction will expand the highway by one additional lane in each direction for two miles south of the interchange. Combined with the Issaquah-Hobart Road to Deep Creek Expansion that received funding this past year, the entirety of SR 18 will eventually have two lanes in both directions.<\/p>\n\t\t\t\t
That’s something that has taken nearly 30 to 40 years of work, said State Rep. Bill Ramos, noting that the highway has been expanded in pieces.<\/p>\n\t\t\t\t
“This piece and one more after and we’ll have a full four-lane divided road,” he said. “It’s going to make it safe for all of us and our workers that drive it every day.”<\/p>\n\t\t\t\t
The interchange project will also add new bridges at Deep Creek and Lake Creek to allow wildlife, such as deer and elk, to cross under the freeway. The project will also remove fish passage barriers to restore access to 13 miles of blocked salmon habitat.<\/p>\n\t\t\t\t
The majority of the $188 million project was funded through by the state’s gas tax, while $5 million was contributed from the state’s 2015 Connecting Washington transportation package.<\/p>\n\t\t\t\t
Construction on the remainder of the highway, as part of the $640 million Issaquah-Hobart Road to Deep Creek Expansion Project, is expected to begin, at the earliest, in 2025. If WSDOT meets its earliest projections, the entire highway could be four lanes wide by 2029.<\/p>\n\t\t\t","protected":false},"excerpt":{"rendered":"
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