Snohomish County started to develop sections of the Centennial Trail in 1989 during the State’s centennial celebration. Today the rail alignment is part of a developing regional trail network connecting to Woodinville, Monroe, Everett, Lake Stevens, Arlington and Skagit County. The Centennial Trail is one of the region’s most popular attractions. Walking, biking, skating and horseback riding activate the trail each and every day. The Centennial Trail provides safe access to local surface transportation for more than 520,000 users every year.