Each year, as South Korea's families traverse the nation to honor their ancestors during Chuseok, the roads carry not only reunion but risk — and the darkest hours carry the heaviest toll. Over five years, the stretch between midnight and dawn has proven four times more lethal per collision than the crowded afternoon, not because more crashes occur, but because exhaustion and speed transform each one into something far more consequential. With 6.05 million vehicles expected daily this holiday season, the question is whether awareness alone can interrupt a pattern written in both data and grief
Nighttime Chuseok crashes in South Korea show 4x higher fatality rate
181 people killed and 18,903 injured in Chuseok traffic accidents over five years (2021-2025), with 50 deaths occurring during high-risk nighttime hours.
Four times deadlier in the dark, yet far fewer cars on the road.
Mark
Why does the fatality rate spike so dramatically at night when there are far fewer accidents happening?
Mimi
The volume isn't what kills you—the conditions are. Fewer cars means less congestion, which means drivers go faster. Add darkness and fatigue, and a single mistake becomes catastrophic instead of a fender-bender.
Luke
But we should be careful here. The data shows correlation, not causation. We know drowsy driving and speeding are suspected factors because a politician said so, but the actual cause of each crash isn't detailed in the statistics.
Mark
So we don't actually know if it's drowsy driving or something else?
Mimi
The pattern strongly suggests it. Nighttime, empty roads, high speed, low alertness—that's the profile. But you're right that the data itself just shows the outcome, not the mechanism.
Luke
Exactly. We can infer, but we shouldn't state it as fact. The fatality rate is fact. The cause is informed speculation.
Mark
What about the rest areas? Are they actually being underused?
Mimi
The representative is calling for better use of them, which implies they exist but drivers aren't stopping. Whether that's because they're poorly located, not well-marked, or drivers simply don't want to lose time—that's not specified.
Luke
Right. We know rest areas exist. We don't know if they're adequate, accessible, or why drivers avoid them. That's a gap worth naming.
Mark
Is 6.05 million vehicles a day unusual for Chuseok?
Mimi
The article doesn't give us a comparison to normal traffic or previous years, so we can't say if it's higher or lower than expected. It's just the forecast for this year.
Luke
Which means we're reporting the prediction without context. Is this a record? Is it typical? We don't know from this source.
Mark
What's the actual human toll here?
Mimi
Over five years, 181 people died and nearly 19,000 were injured during Chuseok travel. That's real loss—families disrupted, people permanently changed. Fifty of those deaths happened in the dark hours.
Luke
Those numbers are solid. What we don't know is whether this is improving or worsening year to year, or how it compares to other holidays.
The Pulse
- Nighttime Chuseok crashes kill at 4.4 per 100 collisions — four times the afternoon rate — despite representing less than 10% of all accidents over five years.
- 181 people have died and nearly 19,000 have been injured across Chuseok holidays from 2021 to 2025, with 50 of those deaths concentrated in the midnight-to-6 a.m. window.
- Drowsy driving and speeding on emptied expressways are identified as the core dangers, turning low-traffic hours into high-lethality conditions.
- Lawmakers are pressing authorities to activate rest areas as genuine safety infrastructure and to place visible slow-down messaging along expressways before the holiday peak.
- This Chuseok is forecast to be the busiest on record, with Thursday departures and Friday returns expected to strain a road network already carrying structural fatigue risk.
Each year, as South Korea's families traverse the nation to honor their ancestors during Chuseok, the roads carry not only reunion but risk — and the darkest hours carry the heaviest toll. Over five years, the stretch between midnight and dawn has proven four times more lethal per collision than the crowded afternoon, not because more crashes occur, but because exhaustion and speed transform each one into something far more consequential. With 6.05 million vehicles expected daily this holiday season, the question is whether awareness alone can interrupt a pattern written in both data and grief.
South Korea's Chuseok holiday is a time of mass homecoming — and, in the darkest hours, disproportionate danger. A five-year analysis by the Korea Road Traffic Authority covering 2021 through 2025 reveals that while the midnight-to-6 a.m. window accounts for fewer than one in ten holiday crashes, it produces a fatality rate of 4.4 deaths per 100 collisions. That is four times the rate seen during the afternoon peak, when roads are at their most congested but drivers are alert and speeds are naturally constrained.
Across the full five-year period, Chuseok accidents claimed 181 lives and injured 18,903 people. The afternoon hours — noon to 6 p.m. — generated roughly 40% of all crashes but only 51 deaths. The early morning hours, with just 1,125 collisions, produced 50. The culprits, according to Rep. Hwang Hee of the Democratic Party of Korea, are drowsy driving and speeding through empty lanes — conditions that leave drivers with almost no margin for error.
Hwang called on both motorists and authorities to treat the nighttime journey as the high-risk passage the data confirms it to be. His recommendations included better use of highway rest areas as active safety interventions and more prominent expressway messaging urging drivers to slow down and stop to rest.
This year's holiday, running Thursday through Saturday, is expected to bring a record 6.05 million vehicles per day onto South Korean expressways. Departures from Seoul will peak Thursday morning; the return surge will crest Friday afternoon. History shows the first day of Chuseok is consistently the most dangerous, averaging 552 accidents compared to 398 on subsequent days. The structural challenge remains: volume, fatigue, and darkness combine in ways that awareness campaigns alone may not be enough to undo.
Between midnight and six in the morning, South Korea's roads become disproportionately deadly during the Chuseok holiday season. The numbers tell a stark story: while these hours account for fewer than one in ten accidents—just 1,125 crashes out of 11,510 total over five years—they produce a fatality rate of 4.4 deaths per 100 collisions. That is four times the rate recorded during the afternoon rush, when traffic is heaviest and accidents most frequent.
The Korea Road Traffic Authority compiled five years of data spanning 2021 through 2025, capturing the full scope of what happens on South Korean expressways during the nation's most traveled holiday period. Across those years, Chuseok accidents killed 181 people and injured 18,903 others. The breakdown by time of day reveals a troubling pattern: the busiest hours—noon through six in the evening—saw 4,607 accidents, roughly forty percent of all crashes, yet produced only 51 deaths, a rate of 1.1 per 100 accidents. The early morning hours, by contrast, claimed 50 lives across just 1,125 collisions.
The disparity points to a specific problem: drivers who are exhausted or pushing speed limits in the dark. Rep. Hwang Hee of the ruling Democratic Party of Korea identified drowsy driving and speeding as the primary culprits behind the elevated nighttime fatality rate. He called on motorists to rest adequately before and during their journeys, and urged government authorities to make better use of highway rest areas as a tool for intervention. His recommendation included more visible messaging on expressways reminding drivers to slow down and take breaks.
This year's Chuseok holiday, running from Thursday through Saturday, is expected to bring unprecedented volume to South Korea's road network. Forecasters estimate an average of 6.05 million vehicles per day will use the expressways. The pattern of movement is predictable: departures from Seoul will peak on Thursday morning as families head out, while the return journey will create the heaviest congestion heading back to the capital on Friday afternoon. Historical data shows the first day of the holiday is consistently the most dangerous, averaging 552 accidents compared to 398 per day during the remainder of the period.
The challenge facing authorities is structural. High-volume travel combined with fatigue and darkness creates conditions where a single error becomes fatal. The afternoon peak, despite moving four times as many vehicles, produces crashes that are less likely to be lethal—perhaps because drivers are more alert, speeds are constrained by congestion, or visibility is better. The midnight-to-dawn window offers none of these protections. A driver fighting sleep or racing through empty lanes has little margin for recovery. The data suggests that preventing these deaths requires not just awareness campaigns but infrastructure changes: rest areas that are genuinely accessible and inviting, enforcement that discourages speeding in low-traffic hours, and a cultural shift toward treating the nighttime drive as the high-risk journey it demonstrably is.
Notable Quotes
Rep. Hwang Hee linked the higher nighttime fatality rate to drowsy driving and speeding, urging drivers to rest adequately and calling on authorities to promote highway rest areas and safety messaging.— Rep. Hwang Hee, Democratic Party of Korea
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