Springfield and Chick-Fil-A working to ease traffic issues | Video

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... * WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until 1 PM PST this afternoon. For the Air Stagnation Advisory, until 4 AM PST Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. With temperatures at or just below freezing, fog droplets may freeze on contact with surfaces, with slick spots on roadways possible early Friday morning. * ADDITIONAL DETAILS...Fog will reform and increase across the south ...