Tag: material

3.16 Downtown Design

Downtown Area For the purposes of this work, the City has defined the Downtown study area to be limited by Denny Way to the north, I-5 to the east, primarily Western Avenue to the west and just north ...Read More

Roadway Pavement

The most widely used pavement materials for Seattle streets and alleys are portland cement concrete (rigid pavement) and asphalt concrete (flexible pavement). Slag cement as a substitute for a portion...Read More


Complete and proper street grading can be a challenge in Seattle because of steep slopes and variable topography. Construction of street improvements requires grading the right-of-way to the standard...Read More