Semi Truck Jackknifes on Highway 101 North in Mendocino, No Injuries Reported

AI SUMMARY: At 6:36 PM, a semi truck jackknifed on the northbound lanes of Hwy 101 at Mendocino R102.00, causing a traffic collision with no injuries reported. Another vehicle with hazards on was also involved but it was uncertain if it was connected to the accident. The driver of the semi truck was seen leaving the vehicle, while a tow truck was requested to clear the scene. At 8:58 PM, the incident was changed to a traffic collision with no injuries confirmed. The tow truck was able to move the semi truck to the shoulder, and by 9:17 PM, the road was clear and traffic returned to normal.

— LoCOBot. AI-generated headline and summary of the CHP dispatch log below as of 9:19 p.m. Did the bot blow it? That’s going to happen from time to time. Please let us know.


6:36 p.m.
[7] SEMI 1125 NB LNS
6:36 p.m.
[4] SEMI TK
6:36 p.m.
[12] [Appended, 18:38:36] [1] SEMI TRK JACK KNIFED IN THE LANES
6:36 p.m.
[13] [Appended, 18:38:36] [2] 1125 \
6:36 p.m.
[6] ADD VEH ON RHS W HAZARDS ON
6:37 p.m.
[9] UKN IF THE VEH ON RHS IS INVLD
6:42 p.m.
[20] 1039 DOT [Shared]
6:47 p.m.
[32] [Appended, 18:47:50] [3] SEMI UPRIGHT
6:47 p.m.
[31] [Appended, 18:47:50] [2] 1125
6:47 p.m.
[34] [Appended, 18:47:50] [5] DRIVER GETTING OO THEW VEH
6:48 p.m.
[37] REQ DOT PROVIDE ETA WHEN ONE IS AVAIL [Shared]
6:49 p.m.
[38] 105-S5 REQ 1185R HEAVY WITH INFO WE CURR HAVE , WILL PROVIDE MORE WHEN WE HAVE IT [Shared]
6:49 p.m.
[40] LL W 1185 [Shared]
6:49 p.m.
[39] DOT HAS 20 MIN ETA [Shared]
6:50 p.m.
[41] [Rotation Request Comment] 1039 ALL IN ONE TOWING (XXX) XXX-XXXX [Shared]
6:52 p.m.
[43] ADDITIONAL CALLER STATINGA VEH PULLED OVER ITA // UNKN IF INVOLVED [Shared]
6:54 p.m.
[46] PER ALL IN ONE EXTENDED ETA DUE TO BEING IN MIDDLETOWN AND LOADED WITH ANOTHER RIG [Shared]
6:54 p.m.
[47] Tow Request Cancelled: 831385 [Shared]
6:57 p.m.
[49] 105-S5 97 1125 IN BOTH NB LANES , TRACTOR AND TRAILER ON ITS WHEELS [Shared]
6:58 p.m.
[52] [Notification] [CHP]-Problem changed from 1183-Trfc Collision-Unkn Inj to 1182-Trfc Collision-No Inj [Shared]
7:02 p.m.
[54] 105-S5 POSS AIR HOSE BRAKE AND TRK IS NOW OPERABLE , REQ HEAVY 1185R TOW [Shared]
7:02 p.m.
[53] 105-S5 NB TRAFF DIVERTED TO THE RHS [Shared]
7:07 p.m.
[56] ALL IN ONE WILL GET ETA FRM DRIVER AND RE CONT [Shared]
7:13 p.m.
[58] 105-S5 EMPTY FB 43 FT , ALL IN ONE MAY BE ABLE TO PULL IT OO THE RDWY [Shared]
7:13 p.m.
[59] PER S5 JUST STUCK AND JACK KNIFED POSS CAN PULL TO THE SHOULDER [Shared]
7:15 p.m.
[61] S5 CPYS REQ GET BUDDYS ETA [Shared]
7:15 p.m.
[60] PER ALL IN ONE THE MED AND HEAVYS ARE THE SAME PPL SO SAME ETA [Shared]
7:18 p.m.
[63] PER BUDDYS TOW DRIVE TIME FRM ARCATA PER S5 AFFIRM [Shared]
8:14 p.m.
[69] C105-017 REQ ETA FOR 1185
8:38 p.m.
[74] PER DOT THEY HAVE 1184 IN PLACE 1 WAY TRAFFIC
8:41 p.m.
[75] 105-S5 HIMSEFL AND 105-17 DOING SB TRAFFIC BREAK FOR CT
8:46 p.m.
[76] 105-S5 TRAFFIC BREAK COMPLETED SEMI TRUCK MOVED TO SB SHOULDER WRAPPINMG UP 1184
8:59 p.m.
[77] C(XXX) XXX-XXXX 97
9:17 p.m.
[78] 105-S5 RDWY CLRD TRAFFIC BACK TO NORMAL 1023 AT OFR WITH 1185
9:40 p.m.
[80] 105-S5 UU SEMI ON OFR TIRES ON WHITE LINE CT IS COMING TO OFR// DRVR ADV NOT TO DRIVE UYYNTIL TRLR AND TRUCK FIXED

See: Common CHP Codes and Shorthand

© 2025 Lost Coast Communications Contact: news@lostcoastoutpost.com.