They have not published the times of the new services as yet,which are presumably 2 per day, Monday - Friday.
As at now, the services shown on their timetable are:
Tuam to Galway times
07:0007:20
07:45
*07:50 - to UHG and NUIG
**07:55 - to GMIT during termtimes
*08:30 - to UHG and NUIG
09:05
10:00
10:50
12:00
13:10
14:10
16:10
17:10
18:10 - added Oct 2017
19:10 - added Oct 2017
Galway to Tuam times
08:0009:05
10:05
10:50
12:10
13:10
14:10
15:30
16:10
16:40
17:10
**17:10
17:40
18:20
19:10
21:10