Large commercial trucks often need extra room to complete turns, but drivers must still make those movements safely. When a truck swings into another lane, traps a vehicle beside its trailer, strikes a pedestrian, or turns without properly checking blind spots, the consequences can be devastating. Anand Desai Law Firm helps Californians injured in wide-turn truck accidents investigate the driver, trucking company, vehicle, electronic records, and other evidence needed to determine what went wrong. Law Desai currently lists wide-turn crashes among its California truck-accident case types.
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Law Desai’s current truck page states that commercial-truck cases can involve federal regulations, several potentially responsible parties, trucking-company investigators, electronic logging devices, driver qualification files, maintenance records, and black-box data.
A wide-turn crash may require investigation of much more than the police report.
Important questions can include:
California DMV specifically warns commercial drivers that wide turning and off-tracking can cause large vehicles to hit vehicles or objects and advises truck drivers to turn slowly and watch surrounding traffic.
Large commercial vehicles have substantial blind spots.
FMCSA advises truck and bus drivers to check mirrors frequently because passenger vehicles can disappear into those blind spots.
California DMV similarly warns that vehicles can disappear from a truck driver’s view in large “No Zones.”
A wide-turn investigation may therefore examine whether the truck driver:
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A tractor-trailer does not follow the same turning path as a passenger car.
California DMV explains that when a long vehicle turns, its rear wheels follow a shorter path than its front wheels. This is called off-tracking, and the longer the vehicle, the greater the difference. That is why large trucks often need additional space when turning.
Wide turns can become dangerous when the truck:
FMCSA specifically warns that trucks and buses need additional space and time to make turns and instructs commercial drivers to make wide turns carefully and signal appropriately.
A wide-turn accident occurs when a large commercial vehicle requires extra roadway space to complete a turn and collides with another road user or object during the manoeuvre.
These crashes most commonly involve:
Sharifi Firm identifies wide or swinging turns as a recurring truck-accident scenario in which a large trailer moves into neighbouring traffic lanes and may strike motorists or pedestrians.
One of the most dangerous scenarios occurs during a wide right turn.
A truck may move somewhat left before turning right. A driver travelling beside the truck may interpret that movement as the truck changing lanes and move forward into the open space.
The truck then turns right.
The smaller vehicle can become trapped between:
Recent California wide-turn commentary refers to these as right-turn squeeze or “squeeze play” crashes.
The key legal question is whether the commercial driver executed the manoeuvre with reasonable safety.
California Vehicle Code §22107 states that a driver may not turn or move right or left from a direct course until the movement can be made with reasonable safety and, when another vehicle may be affected, after giving an appropriate signal.
This rule is especially relevant in a wide-turn case.
A commercial truck may genuinely need additional turning space, but that does not permit the driver to disregard:
The issue is whether the movement was made safely under the circumstances.
Vehicle Code §22100 generally requires a right turn to be approached and made as close as practicable to the right-hand curb or edge of the roadway, subject to specific exceptions involving particular roadway configurations and designated turn lanes.
At the same time, California DMV expressly recognises that long trucks frequently require extra space because of off-tracking.
This means a wide turn is not automatically negligent merely because the truck needed extra space.
Instead, a claim should examine whether:
Vehicle Code §22108 states that a driver intending to turn right or left must continuously signal during the final 100 feet travelled before the turn.
A missing or late signal can be particularly dangerous around a large truck.
A passenger driver may otherwise believe the truck is:
when the truck is actually positioning itself for a wide turn.
FMCSA likewise instructs commercial drivers to signal early so surrounding motorists have time to recognise their intentions.
Right turns are particularly challenging for tractor-trailers because the trailer’s rear wheels track inside the path taken by the tractor.
California DMV explains that this off-tracking effect increases with vehicle length.
Wide right-turn accidents can happen when the driver:
Tiemann Law Firm identifies improper signalling, inadequate mirror use, excessive turning speed, blind-spot errors, driver fatigue, distraction, and inadequate training among causes it examines in wide-turn claims.
Large trucks may also need substantial room to complete left turns.
California Vehicle Code §21801 requires a driver intending to turn left to yield to approaching traffic that is close enough to constitute a hazard and to continue yielding until the turn can be made with reasonable safety.
Potential left-turn accident scenarios include:
Evidence should determine the exact position and timing of each vehicle.
This is one of the central risks.
FMCSA instructs commercial drivers to frequently check mirrors and remain aware of vehicles entering their blind spots.
A wide-turn crash may occur when a motorist, bicyclist, or pedestrian remains invisible to the driver until the turn is already underway.
Without an adequate turn signal, nearby motorists may not understand why a truck is repositioning before turning.
California requires continuous signalling during the final 100 feet before a turn.
Wide turns require additional space and time.
FMCSA advises truck drivers to make these manoeuvres carefully, while California DMV advises commercial drivers to turn slowly because additional time helps them identify and avoid hazards.
Operating a tractor-trailer requires understanding:
California wide-turn competitors identify inexperience and inadequate training as potential factors in these crashes.
A driver looking at:
may fail to notice someone beside the truck.
FMCSA tells commercial drivers to remain focused and specifically identifies phones, navigation devices, food, drinks, and other activities as dangerous distractions.
A fatigued driver may react slowly or fail to monitor mirrors effectively.
Law Desai’s current truck page lists fatigued driving among common truck-accident causes.
If a mirror is:
the driver’s ability to detect a nearby vehicle may be reduced.
California wide-turn competitor Sharifi Firm specifically identifies mirror problems among possible factors in these collisions.
A malfunctioning turn signal may prevent surrounding drivers from understanding the truck’s intended movement.
Sharifi Firm similarly identifies defective turn signals, brake lights, and taillights as issues that can contribute to wide-turn accidents.
Tell Law Desai:
Law Desai currently offers free consultations for California truck-accident claims.
The investigation may include:
Law Desai states that its truck investigations include ELD records, driver qualification files, maintenance documentation, black-box data, experts, and witness evidence.
After liability, injuries, insurance coverage, and damages are evaluated, the claim may proceed through settlement negotiations or litigation when appropriate.
Law Desai’s live truck page states that these cases are handled on a contingency basis with no upfront attorney fees.
A driver may potentially be responsible when the evidence shows:
Vehicle Code §22107 requires a turning movement to be made with reasonable safety.
The motor carrier may also need investigation.
Potential issues include:
Law Desai’s current truck page expressly identifies commercial carriers and logistics companies among the defendants it may investigate in truck claims.
The truck or trailer may be owned by a separate business.
Ownership records can help determine responsibility for:
A repair company may become relevant if negligent maintenance contributed to a defective:
Not every wide-turn collision is automatically the truck driver’s fault.
Another motorist may potentially contribute by:
The entire sequence needs to be reconstructed before responsibility is assigned.
Video may establish:
Wide-turn crashes frequently occur near:
Nearby cameras may capture the turn.
Some commercial vehicles use:
The specific system depends on the carrier and vehicle.
Depending on the truck, electronic information may provide evidence concerning:
Potential records can include:
Law Desai identifies driver qualification files as an important category of evidence in commercial-truck claims.
Witnesses may have observed:
Being beside a truck does not automatically establish fault one way or the other.
The investigation should examine:
FMCSA acknowledges that trucks have substantial blind spots but also instructs commercial drivers to continuously monitor those blind spots and make turns carefully.
A blind spot is relevant evidence, but it is not automatically a complete defense.
The investigation should ask:
FMCSA specifically tells commercial drivers that passenger vehicles can disappear in truck blind spots and directs them to check mirrors frequently.
That movement can be necessary for some large trucks because of off-tracking.
California DMV expressly explains that long vehicles often need to swing wide to complete a turn.
Therefore, the fact that the truck initially moved left does not automatically establish negligence.
The real questions are whether the driver:
Vehicle Code §22107 provides the relevant general safety requirement.
California Vehicle Code §22108 requires a continuous turn signal during the final 100 feet before a right or left turn.
Failure to signal can become important evidence because nearby drivers may otherwise misunderstand why the truck is changing position.
The absence of a signal does not by itself establish every element of a civil claim, but it may become an important part of the liability analysis.
The investigation may examine:
If the carrier or driver knew or should have known that the signal was defective and continued operating the truck, the condition may become relevant to negligence.
Sharifi Firm specifically identifies malfunctioning turn signals as a possible contributing factor in wide-turn truck crashes.
Wide-turn crashes are not limited to passenger vehicles.
Pedestrians and cyclists near intersections can be particularly vulnerable because they may travel along the right side of a commercial truck.
California DMV specifically advises drivers to look for pedestrians, motorcycles, and bicycles between a vehicle and the curb before turning.
A commercial driver should also account for the truck’s blind spots and trailer off-tracking during the manoeuvre.
Law Desai’s truck page identifies catastrophic injuries such as traumatic brain injury, spinal cord damage, fractures, internal injuries, crush injuries, amputations, and wrongful death among serious truck-crash outcomes.
Potential injuries include:
Potential injuries include:
Victims may suffer fractures to the:
These are especially concerning in squeeze-play accidents where a smaller vehicle becomes trapped between the truck and another object.
High-force truck collisions may cause internal bleeding or organ damage.
Severe crush or vascular injuries can result in limb loss.
Depending on the evidence and circumstances, a California truck-accident claim may seek compensation for several categories of loss.
Law Desai’s live truck page identifies current and future medical expenses, lost wages, diminished earning capacity, pain and suffering, disability, emotional distress, and other losses as potential damages.
Potential costs include:
Severe injuries may require additional treatment or long-term rehabilitation.
A victim may be unable to work during recovery.
Permanent injuries may affect future employment or income.
A trailer can cause extensive damage to passenger vehicles during a squeeze or sideswipe collision.
Legally recoverable non-economic damages may address the physical and personal consequences of the injuries.
Truck crashes may involve more than one potentially responsible party.
For example:
Law Desai’s truck page notes that commercial-truck claims frequently involve multiple potentially liable parties.
Responsibility should therefore be based on the evidence rather than automatically assigned entirely to one driver.
If physically able:
Law Desai states that trucking companies may begin investigating quickly after a serious crash and that prompt evidence preservation can therefore be important.
California Code of Civil Procedure §335.1 generally provides two years for an action involving injury or death caused by another person’s wrongful act or neglect.
Different defendants or circumstances can trigger different procedures or deadlines.
Truck claims also present a practical reason to investigate early: video, electronic information, driver records, witness memories, and physical evidence may not remain available indefinitely.
The rear wheels of a long vehicle follow a shorter path than the front wheels during a turn. California DMV explains that this off-tracking effect becomes greater as vehicle length increases, so trucks often require additional space.
Not automatically. California DMV recognises that large trucks often need to swing wide. The important legal question is whether the driver completed the movement with reasonable safety and complied with applicable turning and signalling rules.
It generally describes a crash in which a smaller vehicle becomes trapped beside a large truck as the trailer tracks inward during a turn. California wide-turn legal content commonly refers to these as right-turn squeeze crashes.
California Vehicle Code §22108 requires the turn signal to operate continuously during the final 100 feet before the turn.
FMCSA specifically instructs truck and bus drivers to monitor mirrors and blind spots because passenger vehicles may disappear from view.
Off-tracking occurs because the rear wheels of a long vehicle follow a shorter path through a turn than the front wheels. California DMV identifies off-tracking as one reason trucks may strike nearby vehicles or objects while turning.
Your position is relevant, but it does not automatically determine fault. Evidence should establish the truck’s signals, lane movement, mirror checks, timing, and whether your vehicle was visible before or during the manoeuvre.
Blind spots are a recognised commercial-truck safety issue, but FMCSA also instructs truck drivers to monitor those areas. The surrounding evidence should determine whether the turn was made safely.
Failure to comply with California’s turn-signal requirement may become important evidence in determining how the crash occurred.
Vehicle Code §21801 requires a left-turning driver to yield to approaching vehicles that are close enough to create a hazard until the turn can be made with reasonable safety.
Potentially. A carrier’s training, supervision, maintenance, safety policies, and relationship with the driver may need to be investigated. Law Desai identifies commercial carriers among the potential defendants in truck claims.
Potentially. California competitor firms specifically identify inadequate training and driver inexperience as possible causes of improperly executed commercial-truck turns.
Yes. Dashcam, surveillance, or truck-camera footage may show lane position, signalling, the turning path, and the location of surrounding vehicles.
Depending on the claim, recoverable damages may include medical expenses, future care, lost wages, reduced earning capacity, property damage, pain and suffering, disability, and other legally recoverable losses. Law Desai lists these categories on its existing truck page.
California’s general personal-injury limitations provision is two years under Code of Civil Procedure §335.1, although exceptions and special circumstances may apply.
Anand Desai is a dedicated personal injury attorney serving Glendale and the greater Los Angeles area. A graduate of Loyola Law School with an undergraduate degree from USC, Anand has been a member of the California State Bar (#249768) since 2007, bringing 20+ years of legal experience to every case he handles.
Anand specializes in personal injury law, with particular expertise in car accidents, motorcycle accidents, truck accidents, and catastrophic injury cases. His deep understanding of California personal injury law, combined with his tenacious negotiation skills, has helped him secure millions of dollars in settlements and verdicts for his clients.
What truly sets Anand apart is his commitment to his community. His firm is one of the only law offices in Glendale that offers services in 11 languages, including Spanish, Armenian, Hindi, Gujarati, Korean, Tagalog, Farsi, Punjabi, Thai, Russian, and English — reflecting the rich diversity of the communities he serves.
“I fight for every client like they’re family. When you hire me, you’re not just getting a lawyer — you’re getting someone who genuinely cares about your recovery and your future.”
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