genjuguanyanbaogaowangfabude《zhongguogongluyanghuxingyexianzhuangshendutiaoyanyufazhanqianjingyucebaogao（2023—2030nian）》，daoluheqiaomianpuzhuangcengdeshejishoumingyibanwei15nian，erzhongguodedaoluheqiaomianpuzhuangcengyibanzai8nian—12nianyihouxuyaojinxingjiaodaguimodeyanghutouru。根(gen)据(ju)观(guan)研(yan)报(bao)告(gao)网(wang)发(fa)布(bu)的(de)《(《)中(zhong)国(guo)公(gong)路(lu)养(yang)护(hu)行(xing)业(ye)现(xian)状(zhuang)深(shen)度(du)调(tiao)研(yan)与(yu)发(fa)展(zhan)前(qian)景(jing)预(yu)测(ce)报(bao)告(gao)（(（)2(2)02(2)3(3)—(—)2(2)03(3)0年(nian)）(）)》(》)，(，)道(dao)路(lu)和(he)桥(qiao)面(mian)铺(pu)装(zhuang)层(ceng)的(de)设(she)计(ji)寿(shou)命(ming)一(yi)般(ban)为(wei)1(1)5(5)年(nian)，(，)而(er)中(zhong)国(guo)的(de)道(dao)路(lu)和(he)桥(qiao)面(mian)铺(pu)装(zhuang)层(ceng)一(yi)般(ban)在(zai)8(8)年(nian)—(—)1(1)2(2)年(nian)以(yi)后(hou)需(xu)要(yao)进(jin)行(xing)较(jiao)大(da)规(gui)模(mo)的(de)养(yang)护(hu)投(tou)入(ru)。(。)