Re: That Spacedock "shuttle" is actually a Tug
Fortunately we got our "limo" in TUC. With tugs and travel pods, we desperately needed the "executive shuttle" to take our heroes from San Francisco to Spacedock. Probably we should have seen one of the "buses" from TMP here too:
Perhaps those are just hoppers that take Starfleet members across the bay from one Federation facility to another (like hospital or university campus shuttle buses)?
"STAR TREK is... Action - Adventure - Science Fiction."
-- Gene Roddenberry, 1964, top of the first page of his original pitch and outline for Star Trek