Noise difference between provincial roads 2011-2016

The difference map shows the difference in noise taxation between 2011 and 2016 for provincial roads in the province of Noord-Holland with more than 6 million vehicle movements per year.本差异地图展示了北荷兰省（Noord-Holland）内年车辆通行量超过600万次的省级公路在2011年与2016年之间的噪声税费征收差异。