江苏省交通厅苏州养路段常熟公路管理站,在站长杨绳祖同志积极带动下全体同志刻苦钻研,克服技术上、理论上、材料上的重重困难,经过无数次的试验、失败、再试验,终于创造成功自动记录行车密度的仪器,已经在生产上推广使用。一、创造经过: 统计车辆的行驶密度,是为了更正确地指导公路计划管理和人力、财力的合理安排,为了做好这一工作,以往是定期抽出工人日夜统计,不仅使生产受到影响,更为重要的不能常年统计,定期统计的正确性很差。常熟站于1959年创造过一只铁木结合的车辆记 Jiangsu Province Department of Transportation Suzhou maintenance section Changshu Road Management Station, Comrade Yang Shengzu actively driven by all comrades to study hard to overcome the technical, theoretical, material difficulties, after numerous tests, failure, re-test, and finally To create a successful record of traffic density automatic transmission equipment, has been promoted in production. First, to create after: statistical vehicle driving density, is to more accurately guide the management of road planning and human, financial and reasonable arrangements, in order to do this work, in the past is regularly drawn workers day and night statistics, not only affected production, more As important not perennial statistics, the accuracy of periodic statistics is poor. Changshu station in 1959 to create a combination of iron and steel vehicles