RD traffic PL
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资源简介：
Heavy Weight Traffic. Daily average on both routes. The ‘date’ field gives the year of counting and the ‘average’ field gives the number of vehicles as an annualised daily average. Historical counting data can be found in fields PL_1999, PL_2000, PL_XXXX. If for a year there has been no counting then the field takes the numeric value 0.
提供机构：
Département de l'Ain
