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Traffic Calming Database
Vision Zero Project Unit uses this data to track and to visualize the location of traffic calming implementations such as traffic islands, speed cushion and speed humps....
እንዲሁም ይሄን ኤፒአይ በመጠቀም ይህን መዝገብ መድረስ ይችላሉ። (see የኤፒአይ ሰነዶችን ተመልከት)