Besides replacing 3858Z, it has also replaced 9162H on Sundays.
So now, 9176T is the most "worked" bus in 179, operating 7 days a
week, all A/P shifts. In the past, 3858Z didn't operate on
Sundays.
The previous "most worked" bus was 3905X, operating A/P shifts 6
days week, and P shift only on Sunday.
