Road roughness | ||||
---|---|---|---|---|
Heavy truck proportion | Poor | Average | Good | Very good |
None | − 34,642 | −30,971 | −29,145 | −27,843 |
20% | − 162,486 | −111,478 | − 74,592 | − 53,130 |
40% | − 160,068 | −112,362 | − 73,794 | −51,178 |
60% | − 163,303 | −94,627 | −70,710 | −54,015 |