《2021年(nian)度中(zhong)(zhong)國(guo)主要城(cheng)市(shi)(shi)交(jiao)(jiao)通(tong)分析報告(gao)(gao)》由高(gao)德地圖聯合“國(guo)家信息中(zhong)(zhong)心(xin)大(da)數(shu)據發展部”、“清華大(da)學(xue)(xue)交(jiao)(jiao)通(tong)研(yan)究(jiu)所”、“同濟大(da)學(xue)(xue)智能交(jiao)(jiao)通(tong)運輸(shu)系統（ITS）研(yan)究(jiu)中(zhong)(zhong)心(xin)”、“未(wei)來(lai)交(jiao)(jiao)通(tong)與城(cheng)市(shi)(shi)計算(suan)聯合實驗室”、“高(gao)德未(wei)來(lai)交(jiao)(jiao)通(tong)研(yan)究(jiu)中(zhong)(zhong)心(xin)” 等(deng)機構共同聯合發布。該報告(gao)(gao)是(shi)基(ji)于高(gao)德超6.3億月(yue)活(huo)躍(yue)用(yong)戶和交(jiao)(jiao)通(tong)行(xing)業(ye)浮動車(che)數(shu)據，通(tong)過大(da)數(shu)據挖掘技術結合交(jiao)(jiao)通(tong)算(suan)法(fa)及交(jiao)(jiao)通(tong)理(li)論編(bian)制(zhi)，報告(gao)(gao)中(zhong)(zhong)地面道路(lu)交(jiao)(jiao)通(tong)通(tong)行(xing)時(shi)間(jian)計算(suan)方(fang)法(fa)，是(shi)考慮融合道路(lu)交(jiao)(jiao)叉口延誤時(shi)間(jian)（即(ji)信號燈等(deng)待時(shi)間(jian)），從時(shi)間(jian)、空間(jian)、效率(lv)三個維度客觀、綜合地反映了城(cheng)市(shi)(shi)道路(lu)交(jiao)(jiao)通(tong)健康(kang)狀況并提(ti)出診斷方(fang)案的研(yan)究(jiu)。