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TUKWILA COMPREHENSIVE PLAN <br />Transportation Corridors <br />• conflicts between through traffic and destination traffic and <br />between cars and pedestrians <br />• how to balance the intensification of mix of uses vertically, <br />thereby maximizing the usefulness of the corridor for transit <br />travel, while minimizing the auto congestion <br />• how to expand east /west travel. <br />Tukwila International Boulevard (Highway 99) was a precursor to <br />Interstate 5 and still contains vestiges of the old highway with commercial <br />activity mixed with a few residential buildings. There has been no <br />consistent pattern of development due to past lax regulation of land use by <br />the County. In the past, all frontage property that could provide <br />reasonably flat land was designated for commercial retail and service uses <br />accessed by automobile. There are often abrupt transitions between uses <br />along the highway and the adjacent residential neighborhoods. <br />Interurban Avenue is isolated from most of the community but has good <br />access to the interstate system. It has a mix of office, industrial, <br />commercial and significant recreational uses, with some older single <br />residential units and newer apartment structures. It is the historic <br />beginning and heart of old Tukwila. Except for the river, however, most <br />of the physical reminders of that history are gone. <br />Southcenter Boulevard (from Interurban Avenue to Tukwila <br />International Boulevard) is the newest of the corridors and, unlike the <br />others, it is characterized primarily by office and residential uses, with <br />only limited commercial use. Southcenter Boulevard because of its recent <br />vintage is more conforming and most like a future vision in terms of <br />standards of a corridor. <br />As travel along streets and highways generally becomes more congested, <br />these three corridors offer logistically good access to existing alternative <br />travel such as bus routes and potential rail service. <br />As travel continues to increase over the next 20 years, choices will have to <br />be made that address the growing congestion, the threat of further air <br />quality degradation, and the use of alternative travel modes. The <br />Comprehensive Plan provides a baseline for the future studies that these <br />choices will entail. <br />The Transportation Corridors Element addresses four categories of <br />interest: <br />• Creating areas of focus <br />• Improving private development <br />2 December 2008 <br />