Subways:
- Basic sweep, dust, and spot clean (spills) - daily
- Major clean (ceilings, poles, operator cabs etc.) - every 73 days.
- Exterior wash - weekly
Streetcars:
Spot clean for spills, and sweep - daily
Floor Wash - biweekly
Windows (interior), walls, poles - every 70 days
Comprehensive clean (ceilings, operators cabs etc.) - yearly.
Exterior wash - weekly.
* most of these should be right, but the exact standards have shifted quite a few times in recent years. So there may be some variation.