60-Ton Trailer Charged After Claiming 33 Tons on Japan Expressway

NEXCO East Japan and Japan’s highway authority filed criminal charges on August 7 against a semi-trailer driver for operating a vehicle weighing 60.1 tons on the Tohoku Expressway, far exceeding the claimed 33-ton permit. The vehicle was 35.1 tons heavier than the legal limit of 25 tons, posing severe risks to road safety and infrastructure. The violation occurred on December 10, 2024, at the Urawa main toll plaza.

How the violation was discovered

On December 10, 2024, at 11:22 p.m., authorities weighed the semi-trailer at the Urawa main toll plaza on the Tohoku Expressway’s southbound lane. The vehicle’s actual total weight was 60.10 tons, exceeding the legal limit of 25 tons by 35.10 tons. The driver held a special vehicle permit allowing up to 32.95 tons but operated at nearly double that weight, triggering the criminal referral.

Why overweight vehicles damage roads and cause accidents

Overweight vehicles reduce speed control and handling, increasing the risk of serious accidents. A single 20-ton axle truck damages bridge decks as much as 4,000 standard 10-ton trucks combined, according to NEXCO East Japan. This accelerates road deterioration and threatens public safety on expressways carrying thousands of vehicles daily.

NEXCO’s enforcement strategy and penalties

NEXCO East Japan operates a dedicated vehicle weight violation enforcement team that inspects total weight, vehicle width, and special permits. For serious violations, authorities order vehicles off the expressway. In severe cases, they impound vehicles and reduce cargo weight. The highway authority and six expressway companies coordinate written warnings, in-person training sessions, and criminal referrals for repeat offenders.

Criminal charges and future enforcement

The driver, Hirokazu Nohara, was charged under Road Law Article 47, Section 2, which prohibits exceeding weight limits. NEXCO East Japan and the highway authority said they will continue coordinating with police and prosecutors to enforce road laws strictly and maintain safe, smooth traffic flow on expressways nationwide.

Final Thoughts

The 60-ton trailer case highlights how overweight vehicles damage infrastructure and endanger lives. NEXCO’s enforcement team will intensify inspections and criminal referrals to deter similar violations and protect Japan’s expressway system.

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