N21 interchange between C3(

and N21Mit_W?, N248/P84 and N41 (two), P63 and N248_W, N248_W and P207 (two), P93 and E41, E41 and N22/N156 (two), N22/N156 and P14, P1/P77 and P23, P23 and P50 (two)
N417
has been realigned near N21N22 interchange between E41 and N21/N156
N23 interchanges between P59_W and N302/C2 (two?), P71 and P7, P64 and N164, N164 and N25?, N25 and N23Chu/P8 (two), N23Chu/N166 and N42_W (three?), P59 and P60 (two?), P511 and P748
N24 interchange between P7/P188 and P69_N?, E24(1) and P69_S?, N163/N163Kiz and E24(7), E24(7) and P44, P44 and N369/P1, N308/P1 and P41, P64_S and N24Wak/P14
N24Kas interchange between E24_Miy and P14
N23Chu interchange between N23/P8 and P41, P41 and P54 (two), P54 and N306 (two), P10 and P55_N, N165 and N23/N166 (three)
N25: N125BypNan -> N25Nan
N26 interchanges between N480 and P40_N (three?), P39 and P40_S, E71/N481 and P63_N, P63_N and P63_S, P63_S and P752_N (five), P752_N and P752_S, P752_S and Nak, P7 and N24_E
N27 interchanges between N8 and P225 (four), P225 and E27(14), E27(14) and E27(13) (two)
N29 interchanges between N2 and P5 (two), E2 and P80
N30 interchange between N2 and P74
N32 interchange between N439_W and P33?, N440Mis_S and N440Mis_N, P23 and N33Mat, N33Mat and N11_E?
N34 interchange between N207_E and N207, N207 and P24, P37_N and N57_W
N36 interchange between P46 and P45?, P45 and P46_S?, P46_S and N337/P16
N37 interchange between P107_W and N37Hak
N38Kus interchange between N240 and P53
N41 interchanges between P49 and P84 (five), N21 and N418_W, N418_W and P80, N418_E and P64_S?, P98_N and N158
N42Kii interchanges between N167_S and P37_E (two), P59_S and P13, P38_W and P37, P31_N and P29 (three), P29 and E42(34), E42(34) and N424_S, P20_W and N480
N42 new spur on Arida Sun Bridge?
N43 interchange between HE17(17-02) and HE17(17-03), HE17(17-03) and HE17/N172, HE3(3-06) and P57_N, HE3(3-07) and HE3(3-08), HE3(3-08) and E1
N43 branch on old Yodo River bridge
N45 interchanges between N4 and E6 (two), E45(39) and N283, N283 and P242 (two), N104 and E4A(7) (two?)
N45San does not properly overlap E45 between 15 and 17
N46 interchange between P266 and N341_A
N47 interchange between E13/P34 and N47SKE, P38 and E7, E7 and N7
N47SKE and N47SKW should be combined
N48 interchanges between N286_E and E4 (two?), P31 and N457_N (two)
N49 interchange between N6 and Iwa, E8 and N7/N8 (two)
N49 has been realigned to use N49Sui?N50 interchange between P69_E and P78, N122_N and P39, P8 and P7, P9 and E4, P11 and P33_W (two), P15_E and N294 (two)
N50Mit interchange between P50 and N6/N6HMR
N51 interchange between P70 and N356
N51 branch at KashimaN53 interchanges between P72 and P81 (four), E29(

and N29
N53Tsu interchange between N53 and P338
N54: add point for
Higashihiroshima Takada Road (Mukaihara Yoshida Road) between P5_N and P29
N54 needs shaping points between N184_N and P38_Kak
N55 interchange between P27 and P23
N56 interchange between N32_N and P34, P36_E and P37 (two), P36_W and P39_E, P23 and N33Mat/N56Mat, N33Mat/N56Mat and P16
N57 interchanges between N10_S and P57_Inu (two)
N57Kit interchange between OtsHig and P339
N58Oki interchange between N58Nag_S and E58(10)