Traffic on I-5 at Mercer Street may or may not be horrible this weekend, says Seattle’s Department of Transportation. Though there’s a full weekend closure of the I-5 on- and off-ramps at Mercer Street scheduled to start today, June 7, at 11 p.m. (and last until 5 a.m. Monday), the work is dependent on the weather. Continue reading Road News: Mercer Exit Closure, Cracked 520 Pontoons, Tunnel Tolls