Ok, tier 4 is done, tier 5 is next
R101-R149 are fine except:
R109:wp @
http://www.openstreetmap.org/?lat=53.351044&lon=-6.352721R118:N31_E: N31 doesn't intersect, should be renamed to R119_W
See R137/R138
R119:N31_E: N31 doesn't intersect, should be renamed to R118_W, R118 --> R118_E
R127/R132:Are you sure about the location of the junction? It's different on GM and OSM
R131:J prefix for wps 79, 80 and 81
R132:N1(19) --> 19(N1)
N1(20) --> 20(N1)
M1(18) should be removed
R173 --> M1(18)
Exceeds limits b/n R172_S and R166_N
R135:N2_N --> M2_N
R125 --> M2(3)
R137:R138 should be replaced by R138 wp R118
R138:R137 should be removed
R118 should be renamed to R118/R138
R110/R840 wp is like R137 wp
R147:Should be routed via one branch south of Facebook only. The 2nd route should be an own route
N3(4)..N3(1) --> 4(N3)..1(N3)
NavRdPkwySta --> NavRdPkwy
R109/R122 --> R109/R112
N4(1)..M4(5) --> 1(N4)..5(M4)
R158_S --> Are you sure that it's R158?