Roadside paving block, has corrugated top side with length direction ribs designed to give motorist feeling of vehicle slipping from side to side when driving over them

摘要

The top side (2) of the block (1) has a corrugated surface with the ribs extending in the block length direction. The wave cycle is greater than the width of the block. Wave amplitude increases in the block width direction. The block is prism-shaped and has a rectangular top side.