What are the slope requirements for outdoor parking spaces?
2 Answers
Outdoor parking space slope requirements are as follows: The slope within the parking lot should not be too steep to prevent vehicle rollaway. Minimum longitudinal slope of 0.3%. Maximum longitudinal slope parallel to the driveway is 1%. Maximum slope perpendicular to the driveway is 3%. The slope of entrance/exit driveways should preferably be 0.5%-2%, with a maximum longitudinal slope not exceeding 7% under difficult conditions. Parallel parking technique: Stop the car 1.5m away from the parking line. When your seating position aligns with the middle of the car in the next parking space, turn the steering wheel fully to the left and slowly reverse. Straighten the wheels immediately when the car's front is aligned, then continue reversing smoothly into position. Perpendicular parking technique: Make full use of the driveway width by angling your car diagonally. This reduces the angle between your car and the parking space, minimizing steering wheel movement and adjustment frequency during reversing. Begin reversing when you can see the corner of the left-side vehicle in your driver-side mirror after angling your car. During reversing, monitor the left rearview mirror to maintain safe distance between your left rear wheel and adjacent vehicles. After your left rear wheel passes the front of the left-side vehicle, shift your focus to the right rearview mirror to assess clearance with the right-side vehicle. After entering the space, check rear clearance to avoid hitting walls. In dark parking lots where rear visibility is poor, rely on parking sensor alerts or align your side mirrors with adjacent vehicles.
A few days ago, I noticed the design of the parking lot, and the slope of outdoor parking spaces is actually quite particular. The longitudinal slope of the driveway must be controlled within 4%, otherwise, vehicles are prone to skidding; the cross slope is best between 1% and 2% to facilitate rainwater drainage. The slope of the parking space itself should not exceed 1%, or the wheels may roll away. Special areas like disabled parking spaces have stricter requirements, with slopes not exceeding 1:50. At turns, the slope must be deliberately reduced to ensure driving visibility. I remember last time seeing a residential area where the slope exceeded the standard, causing severe water accumulation after rain, and the tires were even damaged by soaking.
