The 504 operates from Moonee Ponds to Clifton Hill via Brunsiwck Rd and Jewell station.
The 504 was operated by Northern Bus Lines from their depot in Walter St, Glenroy until they were taken over by the Dysons group and services operated form their Bundoora depot.
11th November 1991 Timetable - A4 page
Weekdays
First services: 6.10am from Sydney Rd to Moonee Ponds, 6.30am from Clifton Hill to Moonee Ponds, 6.20am from Sydney Rd to Clifton Hill, 6.20am from Moonee Ponds to Clifton Hill.
AM Peak Frequency: Every 20 minutes.
Interpeak Frequency: Every 30 minutes.
PM Peak Frequency: Every 20 minutes.
Last services: 6.30pm from Monee Ponds to Clifton Hill, 6.40pm from Clifton Hill to Moonee Ponds, 7pm from Clifton Hill to Sydney Rd.
Saturday
First services: 7.15am from Sydney Rd to both Moonee Ponds and Clifton Hill, 7.30am from Moonee Ponds to Clifton Hill, 7.30am from Clifton Hill to Moonee Ponds.
Morning Frequency: Every 30 minutes until the 1pm from Moonee Ponds and 1.30pm from Clifton Hill.
Afternoon Frequency: Every 60 minutes.
Last services: 6pm from Moonee Ponds to Clifton Hill, 6.30pm from Clifton Hill to Moonee Ponds.
23rd August 1993 Timetable - Public Transport Corporation Teal and Gold
Weekday Changes
First services: 6.20am from Sydney Rd to Moonee Ponds, 6.30am from Clifton Hill to Moonee Ponds, 6.20am from Sydney Rd to Clifton Hill, 6.30am from Moonee Ponds to Clifton Hill.
AM Peak Frequency Change: Every 30 minutes.
PM Peak Frequency Change: Every 30 minutes.
Last services: 6.30pm from Monee Ponds to Clifton Hill, 7pm from Clifton Hill to Moonee Ponds.