Transportation Timeline

19th Century

Date
Description
1843
Tuality County established; becoming Washington County in 1849
1849
Pacific University founded
1851
Portland incorporated
1852
Canyon Road "planked"
1871
Southern Pacific Railroad improves access to markets
1872
Forest Grove incorporated
1876
Hillsboro incorporated
1890s
Bicycle craze sweeps county
1893
Beaverton and Cornelius incorporated



 

20th Century

Date
Description
1905
County population 15,500
1908
Oregon Electric Railway begins local passenger service
1913
Tualatin incorporated
1929-45
Depression and war slow transportation improvements
1933
Oregon Electric Railway ceases passenger service to Hillsboro
1950
Tektronix purchases property in Washington County
1959
County zoning established
1960
County population at 92,200
1961
Tigard incorporated
1963
Oregon Graduate Center established
1966
King City incorporated
1968
Vista Ridge Tunnel completed
1970
County population 197,900; 100,000 sq. ft. suburban office space
1972
Construction of Highway 217 completed
1970-80
Numerous major high tech firms locate in county
1973
Washington County creates boundary between urban and rural areas
1976
Portland Community College opens Rock Creek campus
1977
Planning of Westside Light Rail begins
1979
Portland metropolitan area urban growth boundary established
1980
County population 247,800; employment at 107,900; 3 million sq. ft. suburban office space
1980-83
Community land use plans updated or established with County Transportation plan
1985
Voters approve Traffic Impact Fee for unincorporated area
1986
$27 million road improvement levy approved by voters
1987
County employment at 123,000
1988
Washington County Transportation Plan updated; Tigard voters approve $10 million for transportation improvements
1989
Voters approve $60 million levy for road, bike and pedestrian improvements
1990
Voters expand and increase Traffic Impact Fee to include cities; voters approve funding for Westside Light Rail; county population 309,900; 12 million sq. ft. suburban office space
1995
Employment estimated at 155,700
1998
Westside Light Rail opens to Hillsboro
2000
County population: 445, 342
2008
Voters approve the Transportation Development Tax (TDT)
2009
Westside Express Service (WES) Commuter Rail opens between Wilsonville and Beaverton