Nagano Prefecture's Road Traffic Act

According to the regulations of the Road Traffic Act,Article 71,No.6.

Article 14(for drivers)

About tires

• Put chains on all wheels which are moved by engine.
• Non-slip winter tires means studless tires and snow tires.
• The condition of the road and the efficiency of the tires.

• Studless tires grip the road to prevent slipping.
• Even studless tires slip if you brake rapidly.
• When the tires slip or lock, you can not control the steering wheel.
• Radial tires slip less than studless tires on a snowy road.
• Studless tires can be used until 50% of the tread remains.

Important points

• Step on the brake little by little.
• If you have the studless tires, all 4 tires have to be studless tires.
• Having only 2 studless tires is not only breaking the law, but also dangerous.
• Studless tires should be used for the same direction, so when you take off the tires,mark them so that they can be put on again in the same way.
• Even though you have studless tires,when you drive on a very snowy road,put chains on the tires.
• The distance you can slip when braking does not differ between a 4-wheel drive and a 2-wheel drive car.

Snow and loading

• In Nagano Prefecture, you can not drive a car with snow on the roof.
• If you have snow on the roof, the snow will fall off and may break the windscreen or prove to be an obstruction to the following car.

*Please remove the snow before driving.