At Colman Park, a few blocks south of where the I-90 freeway now reaches shore and tunnels through the ridge, Frink Boulevard, which was graded but not ready to be macadamized (paved) until 1910, left the shoreline and zigzagged up the hill through the park and then traveled north along the ridge to Frink Park, some eight blocks north of today's I-90.
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Many current users of the boulevard use Lakeside Avenue S, which travels along the shore below the ridge between Leschi and Colman parks, rather than following the official boulevard up to and back down from the ridge.