MA: I-90 Exit Numbers at I-93 in Boston

[Markkos1992]

I am looking at GSV here and think that 23>-24A and 24>-24B (presuming that 24 is in-use). 

I did not see any signs for an Exit 23 on I-90.

[neroute2]

I think "exit" 23 is the onramp from Clarendon Street - which we don't have at all.

[yakra]

Existing "23" is centered on SB I-93, and would become 24C.
"24" still works on Exits 4A & 4B in one interchange grounds.
But what we really have here is a wide median on (93)/{1}/[3]. The better option IMO is to pursue a One-Point-Per-Interchange solution.

[yakra]

https://github.com/TravelMapping/HighwayData/pull/3283