国道リスト(酷道ランク別)


★★★★★ 文句なしの酷道
通行には相応の技量が必要
R152R157R193
R260R265R299
R308R352R371R388
R403R405R418R421R425R429R433R434R458R438R439R445R471R472R477R488R491R492
★★★★ 酷道上級者向け
通行にはある程度の技量が必要
R25
R112R140R158R169R170(旧)R184
R256R257R286R291
R309R311R319R341R353R354R360R361R362R365R368R369R378R385R398R399
R401R416R422R432R440R441R461R462R473R480R490R494R503
★★★ 酷道の序の口
酷道入門に最適
R101R120R121R136R139R142R143R165R166R168R195
R252R263R289R293R294R292
R303R305R306R310R317R322R327R338R340R342R345R347R363R366R370R375R377R380R389R397
R400R404R406R410R414R420R421R424R427R431R447R448R456R457R464R465R469R476R484R487R493R496R498R499R500R504
★★ 誰もが通れるが油断は禁物 R1R6R8R14R16R29R43R45R52
R103R113R115R118R122R127R135R138R141R146R148R151R162R163R171R173R178、R183、R186R194
R204R221R231R246R249R250R254R281R282R290
R300R301R304R307R313R324R329R330R334R336R339R343R344R346R349R355R358R364R372R379R383R394R396R393
R411R412R413R415R417R419R423R428R435R436R444R454R455R459R505
誰もが通れる、普通の国道 R4R15R24R26R27、R28、R30R31R32R35R42R44R50R51R58
R105R119R123R124R125R126R128R129R130R131R132R133R134R137R144R145R147R149R150R154R159R160R161R164R167R172R174R175R176R177R181、R188、R189R192R198R199
R203R205R222R228R230R233R245R235R238R248R251R255R258R271R273R279R284R285R287R295R296R297
R312、R315、R318R320R321R332R335R337R356R367R373R374R376R390R395
R402R407R408R409R426R430R449R463R466R467R478R479R481R486R507