Travel Speed in Metropolitan Adelaide

Travel time surveys are conducted annually on ten metropolitan Adelaide arterial road routes using the ‘floating car’ technique. They are conducted on weekdays during both the...旅行时间调查每年采用浮动车（floating car）技术，在阿德莱德都会区的10条城市主干道线路上开展。该调查均于工作日的两类时段实施，原文此处未完整表述后续内容。