I have confirmed, today, that "SH" for "State Highway" is NOT working.
Correct. Along with "SH" I have also just tested for "SH-123" also, and can re-confirm that is still does not work either.
I've also tested for various forms of abbreviations for "Township" and "Township Road" and did not find any that worked.
I'll add these results to the list shortly.
What I did discover was another anomaly, for differing results between the two audio files that are created for any given segment. One file always says just the "Street Name" property contents, while the other file says, the word "At" followed by "Street Name" property contents.
The test for "SH-123" resulted in one audio file that said "At ess-aitch one two three" and the other file said, "ess-aitch one hundred twenty three". Very curious.
The last such similar anomaly was with a test of “Borough”, “Parade”, and “Parish”, by using the abbreviations of "Boro par ph".
One file said "At borough parade phone, and other other said, "borough par pea-aitch".