Semi truck swerving across lanes on I-80 in Newcastle Heard on: Placer County CA Law Dispatch 00:15 00:00 10-22. Officer, can you answer my alert? Special attention, Union B, 23103 semi, I-80 East, Newcastle. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 10-22. Officer, can you answer my alert? Special attention, Union B, 23103 semi, I-80 East, Newcastle. 00:07 RP advised. 00:09 Semi is unable to maintain lanes, using all three lanes of the freeway. 00:14 10-39 CHP. 2026-10-28 00:11 UTC Traffic I-80, Newcastle, CA View on map