How wide does a road need to be for a 4.7-meter-long sedan to make a 90-degree turn?
1 Answers
For a 4.7-meter-long sedan, the width of a one-way road should not be less than 3.5 meters, a two-way road not less than 6.5 meters, and a fire lane not less than 4.0 meters; the width at a turning point should not be less than 12 meters. Roads at construction sites must be hardened. When a car turns at the minimum stable speed, the radius of the trajectory circle rolled by the center of the outer steering wheel on the supporting plane. The following are the hazards of vehicle overloading: Increased risk of rollover: The more passengers overloaded, the more the vehicle's center of gravity shifts, especially when turning, making the vehicle more prone to rollover. Reduced braking performance: Inertia is related to the mass of an object. When braking, the vehicle relies on resistance to stop. The more overloaded the vehicle, the greater its inertia, making it harder to stop than usual. Tire blowout: Overloading causes the vehicle's tires to operate under excessive load continuously, increasing tire pressure and temperature, which can easily lead to tire blowouts. Worsened accidents: Under normal circumstances, every member in the vehicle has corresponding safety belts, seats, and other equipment. However, with overloading, not everyone has these, making unavoidable situations that could have been prevented.
