Los Angeles, United States - July 17, 2025 07/17/2025 11:59 am GMT-0700 RIVERSIDE, Calif. – A traffic collision involving a semi-truck and a small sedan occurred in the westbound lanes of State Route 91 at La Sierra Avenue shortly after midnight. The crash resulted in the hard closure of lane three. Initial reports indicated that the gray Acura ILX sedan had collided with the rear end of the semi-truck. Emergency responders arrived on the scene, but visibility within the sedan was reportedly limited. The situation prompted the involvement of fire department personnel and notification of the coroner's office. By the early morning hours, CalTrans implemented a closure to facilitate emergency response efforts. PER CHP INFO PAGE:Incident: 0003 Type: Fatality Location: SR91 W / LA SIERRA AVE Loc Desc: Lat/Lon: 33.900341 - 117.472848 Close Detail Information 1:39 AM 16[50] [Rotation Request Comment] 1039 EXTREME TOW 951-823-0680 W FB 1:38 AM 15[49] C74-010 VIA LL REQ 1185 FB 1:00 AM 14[47] 1039 8-721 12.48 AM 13 [43] C74-010 START CT FOR HARD CLOSURE #3 LN [Shared] 12:34 AM 12 [40] 1039 CORONER [Shared] 12.25 AM 11(38] C74-010 SEMI DRIVER [Shared] 12.17 AM 10 [301 1039 CORONER (Shared] 12:01 AM 9 [19] 1039 RFD [Shared] 12:01 AM 8 [17] RP ADV CANT SEE INSIDE INSIDE VEH [Shared] 12:00 AM 7 (12) GRY ACURA ILX TCD INTO RPS SEMI [Shared] 12:00 AM & [10] [Appended, 00:00:441 (51 SMALL SD UNDER REAR END OF SEMI 12:00 AM 5 [81 [Appended, 00:00:44] [3] BOTH VEHS ON RS 12:00 AM 4 [13] [Appended, 00:01:08] (1] OPEN LINE 12:00 AM 3 [7] [Appended, 00:00:44] [2] SEMI TK VS SMALL SD 1200 AM 2 [4] RP ADVHE WAS PULLED OVER ON RS TO FIX LIGHT AND SOMEONE RAN INTO HIS 11:59 PM 1 [31 VEH UNDER TRAILER