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
|
