《2021年度中國主要城市(shi)交(jiao)(jiao)通(tong)(tong)(tong)分(fen)析(xi)報(bao)(bao)告(gao)》由高德地(di)圖聯合(he)“國家(jia)信(xin)息中心(xin)大數據發展(zhan)部”、“清華(hua)大學交(jiao)(jiao)通(tong)(tong)(tong)研(yan)究所”、“同(tong)(tong)濟大學智能交(jiao)(jiao)通(tong)(tong)(tong)運(yun)輸(shu)系統(tong)（ITS）研(yan)究中心(xin)”、“未來(lai)交(jiao)(jiao)通(tong)(tong)(tong)與(yu)城市(shi)計(ji)(ji)算(suan)聯合(he)實驗室”、“高德未來(lai)交(jiao)(jiao)通(tong)(tong)(tong)研(yan)究中心(xin)” 等機構共同(tong)(tong)聯合(he)發布。該報(bao)(bao)告(gao)是基于高德超6.3億月活躍用戶和交(jiao)(jiao)通(tong)(tong)(tong)行(xing)業(ye)浮動(dong)車數據，通(tong)(tong)(tong)過(guo)大數據挖掘技(ji)術結合(he)交(jiao)(jiao)通(tong)(tong)(tong)算(suan)法及(ji)交(jiao)(jiao)通(tong)(tong)(tong)理論編制，報(bao)(bao)告(gao)中地(di)面道路(lu)交(jiao)(jiao)通(tong)(tong)(tong)通(tong)(tong)(tong)行(xing)時(shi)(shi)間(jian)(jian)計(ji)(ji)算(suan)方法，是考(kao)慮融合(he)道路(lu)交(jiao)(jiao)叉口延誤(wu)時(shi)(shi)間(jian)(jian)（即信(xin)號(hao)燈(deng)等待時(shi)(shi)間(jian)(jian)），從時(shi)(shi)間(jian)(jian)、空間(jian)(jian)、效率(lv)三個維度客觀、綜合(he)地(di)反映了城市(shi)道路(lu)交(jiao)(jiao)通(tong)(tong)(tong)健康狀況(kuang)并(bing)提出(chu)診斷(duan)方案的(de)研(yan)究。