Downtown service industry employees need a place to park. Many people working in bars, restaurants, and hotels don't get out of work early enough to take the bus, which stops running at 3AM. Now that the city has metered the east side, these workers now have to walk a mile or more in order to get back to their cars - while many of them are carrying cash.
There are currently many parking garages that are sitting downtown at night unused. These garages should offer free or reduced rate parking for anyone who can show proof that they work downtown.