Originally Posted by
guv1976
Don't know whether this page is outdated, but it indicates that
half-fare, roundtrip Metrocards can still be purchased for cash at a handful of subway stations:
https://new.mta.info/fares/reduced-fare
I saw that page but since those stations are actually listed directly in the section '
Transferring value from an expired card' I didn't think it was pertinent.