Heavy Snowfall Strands 3,000 Vehicles in 23-Kilometer Traffic Jam on Japan's Sanyo Expressway

Major Gridlock Grips Western Japan Expressway

Heavy snowfall in western Japan on Friday, January 2, 2026, led to a significant traffic disruption on the Sanyo Expressway, resulting in a 23-kilometer (14-mile) traffic jam. An estimated 3,000 vehicles were caught in the gridlock, which stretched between Hiroshima Prefecture and Yamaguchi Prefecture. The incident occurred as many drivers were returning from their New Year holiday travels.

Incident Unfolds Amidst New Year Travel Rush

The extensive traffic jam began around 7:20 p.m. on Friday when a vehicle equipped with normal tires became stuck in the snow on a section of the Sanyo Expressway in Hiroshima Prefecture, according to local police. This initial blockage, coupled with continued heavy snowfall, quickly led to slippery road conditions and subsequent lane closures, exacerbating the congestion. The Japan Meteorological Agency reported that heavy snow fell in the area from Friday evening through late night.

Challenging Conditions for Stranded Motorists

Drivers trapped in the prolonged jam faced difficult circumstances. Emergency calls were received from at least four to six vehicles that had become stuck in the same area. One man in his 30s required an ambulance and was transported to a hospital after complaining of 'ringing in the ears, dizziness, and nausea' due to the stress of the situation. Another motorist, a man in his 40s traveling with his family, described the ordeal, stating, 'We are having a hard time because there is no restroom at all. We are just trying to get through with the water we were given at the rest area and a portable toilet.'

Resolution and Reopening of Lanes

The highway operator, West Nippon Expressway, confirmed that the affected lanes on the Sanyo Expressway were eventually reopened by Saturday afternoon. Authorities had been working to ensure the safety of road users, dispatching snow plows and salt spreaders to clear the roads, though the unexpected snowstorm during a busy travel period presented significant challenges.