NB Highway One backed up 20 miles

incident:  00352   Type:    Road/Weather Conditions   Location:   Sr1 / Rio Rd  Loc Desc:  NB 1 AT RIO RD    Lat/Lon:  36.539340 -121.910241   
Detail Information
6:43 PM 3 [5] 27-14 IS SR1/ROCKY CREEK BRIDGE
6:40 PM 2 [2] DUE TO TRAFFIC LIGHT
6:40 PM 1 [1] TRAFFIC BACKED UP 20 MILES