Fatal crashes in Rancho Cucamonga, CA: deadliest roads, 2020-2024

From 2020 through 2024, federal crash records list 66 fatal crashes inside Rancho Cucamonga, in which 69 people died. The roads with the most were Foothill Blvd (State Route 66) with 7 fatal crashes, Haven Ave with 5 and Base Line Rd with 5.

Filing deadline, fault rule, insurance and the court for a crash in Rancho Cucamonga: Rancho Cucamonga, CA injury guide.

NHTSA's Fatality Analysis Reporting System (FARS) is the federal tally of crashes on public roads in which someone died, and it is the source of every crash figure here. It codes 66 fatal crashes to Rancho Cucamonga from 2020 through 2024, with 69 deaths, the difference coming from crashes that killed more than one person. The 2020-2023 numbers are from NHTSA's Final Files; the 2024 numbers are from its Annual Report File, the first release for that year, and NHTSA may revise them.

The yearly counts stayed within a narrow range and ended at their lowest. The city had 16 fatal crashes and 16 deaths in 2020, 12 of each in 2021 and 14 of each in 2022. In 2023 there were 14 crashes again, but they killed 16 people. The year 2024 brought the fewest of the five, 10 crashes and 11 deaths, although that first-release figure can still change.

Rancho Cucamonga is a small part of a large county total. San Bernardino County recorded 1,803 fatal crashes and 1,988 deaths in these five years, so the city's share is 4 percent of the crashes and 3 percent of the deaths. Statewide, California had 19,496 fatal crashes and 21,077 deaths. Rancho Cucamonga's 69 deaths rank 30th among the California places in our guides, a list topped by Los Angeles, with 1,637, and San Diego, with 549.

Foothill Blvd (State Route 66) heads Rancho Cucamonga's table with 7 fatal crashes, which killed 8 people, the latest in 2024. Its lead is two crashes: Haven Ave, Base Line Rd, I-15 and State Route 210 follow with 5 each. Haven Ave's 5 crashes killed 6 people, and the 5 on each of the other three killed 5. Base Line Rd had one as recently as 2024, while the latest on the other three was in 2023. Archibald Ave and Rochester Ave had 4 fatal crashes each, both with one in 2024.

Arrow Rte and Etiwanda Ave had 3 fatal crashes each, the latest in 2023, and Wilson Ave closes the table with 2 crashes that killed 3 people, the latest in 2024. Between them, the ten rows cover 43 crashes, 65 percent of the city's 66, and 46 of the 69 deaths, leaving 23 crashes on roads outside the table. Even the top road accounts for only 7 of the 66, so the city's fatal crashes are spread across many roads rather than concentrated on one.

For an injured person, that spread means a road's rank says little. Fault in a Rancho Cucamonga crash is decided by the evidence from that crash: the report from the agency that responded, statements from witnesses, the damage to the vehicles and any video. The table is a record of where people died over five years, not a judgment about any road or driver.

Darkness is the clearest pattern in the data. Forty-three of the 66 fatal crashes happened after dark: 34 on lighted roads, 6 on unlit roads and 3 where the lighting was unknown. Daylight accounts for 20, dusk for 2 and dawn for 1. The late hours stand out: 25 crashes happened between 6 p.m. and midnight and 20 between midnight and 6 a.m., while only 5 happened between 6 a.m. and noon and 16 between noon and 6 p.m.

Monday had more fatal crashes than any other day, 13, followed by Sunday with 12 and Saturday with 11; Thursday had 10, Friday 8, Wednesday 7 and Tuesday, the fewest, 5. Weather was clear in 59 crashes and cloudy in 5, with 1 in rain and 1 not reported. One crash happened in a construction work zone, and FARS coded 65 of the 66 as urban and 1 as rural.

Most crashes began with something other than a collision between two vehicles in transport: 42 of the 66, including 16 in which a pedestrian was the first thing struck, 7 in which it was a cyclist and 6 in which it was a curb. Of the 24 that began with another vehicle in transport, meaning one moving or stopped in the roadway, 13 were angle crashes, 5 rear-end, 3 head-on and 3 same-direction sideswipes. Twenty-three crashes were at or related to an intersection, 34 were non-junction, away from any intersection, driveway or ramp, and 1 was at a shared-use path crossing.

About half of the people killed in Rancho Cucamonga crashes were drivers, 34 of 69. The rest were pedestrians (16), bicyclists (8), passengers (7), two occupants whose role as driver or passenger is unknown, one person on a non-motorized personal conveyance and one person in a vehicle not in transport. Motorcycle and moped riders account for 12 of the deaths, 17 percent. Looked at crash by crash, 24 of the 66 involved a pedestrian, cyclist or other person outside a vehicle, 36 percent.

Cyclists stand out. Eight bicyclists were killed, 12 percent of all deaths, and a cyclist was the first thing struck in 7 crashes. A cyclist's claim against a driver usually turns on lane position, lighting and right of way, and in a city where 43 of the fatal crashes came after dark, the cyclist's lights and the driver's view often become the main dispute. Pedestrian claims raise the same visibility questions, alongside where and how the person was crossing.

The following case is hypothetical; its figures are round and serve only to show the rules. A cyclist riding at night crosses a street at a path crossing and is hit by a driver who did not yield to her. Her losses come to $80,000: $55,000 in medical bills, $15,000 in lost pay and $10,000 for pain and suffering. The driver's insurer concedes its driver should have yielded but says the cyclist had no front light and assigns her 30 percent of the fault.

California applies pure comparative negligence, so her recovery is reduced by her share of fault but not wiped out. At 30 percent, the $80,000 becomes $56,000. If a jury instead put her share at 75 percent, she would still recover $20,000. In a case like hers, the live question is how much the award shrinks, and evidence such as video, her light and the driver's line of sight decides that.

Because California is an at-fault state, she claims against the driver's liability insurance. California's floor for that coverage is $30,000 per person and $60,000 per crash for injuries, plus $15,000 for property damage, written as 30/60/15. A driver carrying only that floor leaves $26,000 of her $56,000 outside the policy; whether anything else covers it depends on the policies and the facts, which an attorney can review.

In California, fault does not decide who reports. Every driver in a crash that injured anyone, even slightly, killed anyone, or did more than $1,000 of damage to any one person's property must send form SR 1 to the DMV within 10 days (Cal. Veh. Code § 16000(a)). The rule covers crashes on private property too, and an insurance agent, broker or legal representative may file the form on the driver's behalf. Separately, when someone is injured or killed, the driver must report the crash to law enforcement within 24 hours.

• Write down both deadlines the day of the crash, 24 hours for the police report when anyone is hurt and 10 days for the SR 1, and keep copies of what you file.
• After a night crash, photograph the street lights, the crossing and any bike lane markings before the scene changes; 43 of the city's 66 fatal crashes happened after dark.
• If you were on a bicycle, keep the bike, helmet and lights as they were and photograph them.
• Find out which agency investigated; for a California Highway Patrol crash, its crash report request page explains how to get a copy, and otherwise ask the agency that responded.
• If a city vehicle, public property or another public entity may be involved, mark the six-month government claim deadline (Gov. Code § 911.2).
• Keep medical records, receipts and a short daily note of symptoms from the first day.

The usual court for a personal injury suit over a Rancho Cucamonga crash is the San Bernardino County Superior Court, although some cases are heard in another county or in federal court. The general deadline is two years from the injury (Cal. Code Civ. Proc. § 335.1). A wrongful death claim, brought by the family of a person killed in a crash, generally has two years from the death under the same section.

Claims against government bodies add a step. Claims against California public entities require a government claim within six months (Gov. Code § 911.2), so a crash involving a public vehicle or public property needs prompt attention; the time to sue after that is set separately by state law. For an injured child, the two-year lawsuit clock pauses until 18 (Cal. Code Civ. Proc. § 352(a)). An employee hurt in a crash while working generally has a workers' compensation route through the California Division of Workers' Compensation, with notice to the employer within 30 days and a claim within one year.

The cyclist's $56,000 is a California result. In Alabama, Maryland, North Carolina and Virginia, contributory negligence can generally bar recovery for a person who was even slightly at fault, so her 30 percent share could leave her with nothing. In states with a 50 or 51 percent bar, the same 30 percent would reduce the award much as it does in California, but the 75 percent finding would end the claim.

Two more rules shift from state to state. One is the insurance system: California is not a no-fault state, whereas Florida, Michigan, New York and New Jersey are, and there an injured person's own policy pays certain losses first, whoever caused the crash. The other is time. Tennessee generally gives one year for most injury claims, while California generally gives two.

Most personal injury attorneys work on contingency, which ties the fee to any recovery. Ask Legal Matters is a personal injury lead-generation service that collects free case review requests from injured people in the United States and shares them with independent attorneys and law firms. It is not a law firm and does not give legal advice. Requests may be shared with independent attorneys and legal services partners who handle inquiries in California, and an attorney must evaluate the facts before anyone can say whether a claim exists. If you or someone close to you was hurt in a crash in Rancho Cucamonga, you can request a free case review.

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More on this type of claim: Car accidents: evidence, deadlines and when to ask an attorney.

• Rancho Cucamonga, California: local injury guide, court and deadlines
• Car Accident Claims in the United States: The Complete Guide
• Pedestrian Accident Claims: Rights, Fault and Compensation

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