Updated on: 7/8/2020
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Interstate 5 is a 1,381-mile highway that stretches from Mexico to Canada. It's the busiest road in the state of Washington, with an estimated 240,000 motorists using the road daily. Interstate 5 serves the cities of Vancouver, Kelso, Chehalis, Centralia, Olympia, Tacoma, Seattle, Everett, Mount Vernon, and Bellingham, and it is the main route between Portland, Oregon, and Vancouver, British Columbia. I-5 stretches the whole north–south length of Washington, making it a major trucking route.
In 2015, there were 38 fatal crashes involving commercial vehicles/large trucks in Washington state. That's out of 6,091 collisions involving large trucks. Large trucks were involved in 85 serious injury collisions and 1,352 minor injury collisions.
We hope this report makes the public realize how dangerous large trucks are on the Interstate 5 corridor through Washington state. Davis Law Group updates this map monthly to identify accidents trends. The data serves as a reminder that accidents are unpredictable and occur every single day all around us.
How To Use The Map
Zoom and scroll around the state with your mouse or finger
Select a point on the map to see date and time, secondary intersection, injury severity, motor vehicles involved, and a brief description
Washington Semi Truck Accident Map
The map on this page shows the location of each injury collision from Jan. 1, 2017 through March 30, 2018.
📌 Fatality ⬤ Serious Injury ⬤ Minor Injury ⬤ Unknown Injury | Disclaimer: Davis Law Group, P.S., is not liable for errors and omissions or for the consequences of any actions taken on the basis of the information provided above. The accident location and crash data are approximations based on available information. Please report errors to [email protected].
Most Dangerous Mile Posts on I-5
We determined the most dangerous parts of I-5 by assigning weight to different types of accidents: fatal accidents (x 10), serious injury accidents (x 5) and minor injury accidents (x 1).
1. Milepost 140-177, King County
The most-populated area in Washington state produces the most truck crashes on Interstate 5. King County and its cities along I-5 — Federal Way, Kent, SeaTac, Tukwila, Seattle and Shoreline — saw 66 commercial vehicle accidents during the studied time period, by far the most of any area.
While 60 of the reported accidents with large trucks were minor, there were five serious accidents and one fatality accident. The fatality occurred near Spokane Street in Seattle, when a semi truck driver died in a single vehicle accident.
Heavily traveled routes in the area merging with other major routes such as I-90 and I-405 make for a treacherous passing through this metropolitan hub. Combine those factors with occasional bad weather, steep grades and an influx of passenger vehicles and you can see why this is the most dangerous stretch in Washington.
2. Milepost 115-139, Pierce County
This stretch of highway south of Seattle is also a major spot for large truck crashes. Home to Tacoma, DuPont, Lakewood and Fife, Pierce County had 42 total truck crashes in the 15 months observed for this project.
Tacoma is home to a large industrial sector, with I-5 twisting and turning through the city. Trucks entering the exiting the highway present a serious danger, and that's evidenced in the rate of fatalities and serious injuries on this part of Interstate 5.
Three fatal accidents occurred in this area of highway, all three taking place in Lakewood, just south of Tacoma. Two other serious collisions to go with that make it a major hot spot for accidents in the Evergreen state.
3. Milepost 178-217, Snohomish County
Snohomish County is on the northern edge of the Seattle metropolitan area and also has I-5 run through it. Though not as dangerous as King County, Interstate 5 through Snohomish can be congested with traffic from the Boeing Company plant and Naval stations in the area.
Everett, the main city in Snohomish County, is a connecting point for eastern Washington via Highway 2, which combines with I-5. So it's no wonder that Snohomish County had three fatal wrecks involving large trucks and another three serious injury accidents from Jan. 2017 through March 2018.
4. Milepost 55-87, Lewis County
While just 15 collisions involving large trucks occurred in Lewis County, four of them involved serious injuries. There was also one fatality. The fatality involved a 57-year-old motorcyclist killed in a three-vehicle crash. A 44-year-old man in a pickup was cited for felony hit-and-run.
5. Milepost 88-114, Thurston County
The state capital Olympia is located in Thurston County, another point along I-5 that sees significant freight traffic throughout the year. This stretch of highway — which also goes through Tumwater and Lacey — had 17 large truck accidents during this time period, including two fatalities.
One fatality involved three semi trucks in a seven-vehicle collision. The driver of one of the semi trucks was distracted, causing the crash. A 61-year-old man was killed.
The other fatality happened when a semi truck driver under the influence of drugs — cited for vehicular homicide — killed an 80-year-old woman.
Washington's Top Truck Accident Attorney
At Davis Law Group, we give personal attention to all of our clients. If you or a loved one has been injured in a truck accident, attorney Chris Davis can help.
With the help of Mr. Davis, our truck accident clients have recovered millions in verdicts and settlements. We will help you fight for the compensation you deserve. Mr. Davis and his legal team will conduct a full investigation into your truck accident and work with the insurance representatives involved to try to obtain fair compensation for your claim.
If you are in need of a Washington state personal injury attorney, contact Davis Law Group for a free, no obligation consultation. We are located in Seattle and work only on a contingency fee basis. This means there are no upfront costs if we handle your claim. Call us today at (206) 727-4000. If you prefer contacting our accident attorneys online, you can fill out the form on this page or use the chat feature below.
