A few routes are still running arctics. Namely the Bx4, Bx4A, Bx5, and M60 SBS (To be fair, the Bx4 and Bx4A are both operating one OG and NG respectively). Maybe those Bx routes are less hilly than the others so they kept arctics out there? I'm not sure...
M14A/D, M23 SBS, M34 SBS, M34A SBS, M86 SBS all are 100% arctics, or have arctics mixed with 40 footers.
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Seems the Bx is primarily like last year, save for the RTS. Loaners or arctic downgrades so far:
Bx1: NG/LFS
Bx2: NG/OG/LFS, 4683, 6861, 6896
Bx3: 6864
Bx4/A/5: See above
Bx7: 3850, 7317
Bx9: NGs
Bx10: 6868
Bx12: NGs, LFS
Bx12 SBS: NGs, LFS, 6894
Bx22: C40LFs, VII CNGs, XN40s
Bx39: NGs, LFS
Bx40: C40LFs, VII CNGs, 4079
Bx41: NGs
Bx41 SBS: NG/LFS
Bx42: C40LFs, VII CNGs, XN40s
Queens MTAB:
Q6: 498
Q9: 516
Q10: 8933, 8969, 8994
Q52 SBS: 501, 513
Q110: 4155
Q111: 4153, 4654
Q113: 4638
Q114: 4649
There were C40LF on the Q60 and Q8 earlier.
Manhattan's primarily a mix of OGs from FP, EN, MV, OF, NGs from MQ, MV, OF, RTS from MQ.
M100 has 6856
B44 SBS and the M Shuttle are XD40s,