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Dense Fog Causes Deadly Pile-Up on Agra-Lucknow Expressway
Dense winter fog has triggered a 10-vehicle pile-up on the Agra–Lucknow Expressway near Unnao, killing a bus driver and injuring at least three people on Sunday morning, December 14. The collisions, reported near Gauriyakala village, choked traffic for nearly two hours and have raised fresh concerns over expressway safety as holiday travel picks up across Uttar Pradesh.
According to police, the chain of crashes began when a minitruck loaded with tiles and stones lost control in poor visibility and overturned in the middle of the carriageway. A container truck braked sharply behind it, only for a Jaipur–Lucknow bus to slam into the truck, triggering successive rear-end impacts involving at least seven more vehicles in the fog.
Dense fog turns Agra–Lucknow Expressway into danger zone
Officials said minitruck driver Guddu, 36, and operator Mahendra Kumar, 27, were injured, while bus driver Jitendra, 50, from Dholpur in Gwalior, died on the spot. The bus conductor Hariom, 32, from Morena, also suffered injuries. Victims were first taken to the Community Health Centre in Bangarmau and later referred to Unnao district hospital for further treatment.
Station in-charge Munna Kumar confirmed dense fog was the primary cause of the pile-up, saying the low visibility left drivers with almost no reaction time. “Traffic remained disrupted on the expressway for about two hours before the UPEIDA team restored flow after diverting traffic and removing damaged vehicles,” he said, as teams worked cranes and ambulances in near-zero visibility.
Winter fog triggers chain collisions across Uttar Pradesh
The Unnao crash was among at least six major fog-related accidents reported across Uttar Pradesh on Sunday, which together involved around 22 vehicles, killed seven people and injured 10, according to senior police officials. Visibility dropped to nearly 20 metres in more than 30 districts, including Lucknow, Barabanki, Jaunpur and Unnao, as a thick fog sheet settled before dawn.
| Location | Road / Expressway | Vehicles Involved | Deaths | Injured |
|---|---|---|---|---|
| Unnao | Agra–Lucknow Expressway | ≈10 | 1 | 3 |
| Hamirpur | Bundelkhand Expressway | Bus, car | 4 | 3 |
| Azamgarh | Local highway | 1 car | 2 | 1 |
| Ghaziabad | Meerut–Delhi Expressway | ≈12 | 0 | Several |
On the Bundelkhand Expressway near Hamirpur, four members of a family heading to Prayagraj to immerse a relative’s ashes died when their car was hit by a bus in dense fog, while three others were critically injured. Separate crashes in Azamgarh and on the Meerut–Delhi Expressway in Ghaziabad added to the state’s fog-linked toll.
The India Meteorological Department has warned that dense to very dense fog is likely over parts of northwest and adjoining central India, including Uttar Pradesh, for the next three to four days, with similar conditions already reported around Kanpur, Unnao and nearby districts. Traffic police have cautioned that stretches where visibility falls below 50 metres are especially vulnerable to chain collisions.
Travel advisory for Agra–Lucknow Expressway users
While the posted speed limit on the Agra–Lucknow Expressway for cars is 100 kmph, authorities are urging motorists to drive significantly slower during fog spells, keep headlights and fog lamps on low beam, and maintain greater gaps between vehicles. Temporary diversions and speed curbs may be imposed if visibility worsens, especially near flyovers, curves and construction zones, officials indicated.
The Unnao pile-up underlines how even a single stalled or overturned vehicle can trigger cascading crashes when fog reduces sightlines to a few seconds. Early warning through hazard lights, reflective triangles, strict lane discipline and avoiding sudden braking can greatly reduce risks for expressway users during the crucial early-morning travel window.
With dense fog now firmly back over north India, Sunday’s crashes on the Agra–Lucknow and Bundelkhand expressways serve as a stark reminder for holiday travellers. Agencies can clear wreckage and issue advisories, but on fast corridors the margin for error is tiny, making cautious driving and respect for winter alerts the most reliable defence against another deadly morning.
Let's take a look at a few tips for safely driving in foggy conditions...
Tips For Driving In the Fog
Driving in fog demands extra attention because visibility can drop suddenly and distances become hard to judge. Slowing down is the first and most important step. Reducing speed gives you more time to react to obstacles, vehicles ahead, or sudden changes in road conditions that may not be visible until the last moment.
Use your low-beam headlights or fog lamps, not high beams. High beams reflect off the fog and create glare, which further reduces visibility. Fog lamps are designed to cut through the mist and illuminate the road closer to your vehicle. Make sure your windscreen, windows and mirrors are clean, both inside and out, to avoid light scattering and distortion.
Maintain a safe following distance. In the fog, brake lights appear later than usual, so staying well back from the vehicle ahead reduces the risk of rear-end collisions. Use road markings as guides to help maintain lane position, especially when visibility is very poor.
Avoid sudden braking, sharp steering inputs or quick lane changes. Smooth, predictable movements help keep the vehicle stable and make your actions easier for other drivers to anticipate. Use indicators early and clearly.
If fog becomes too dense, consider pulling over to a safe location away from the road. Turn on hazard lights only when stopped. Staying calm, alert and patient is the key to driving safely in foggy conditions.
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