Celtic play Arsenal in a Champions League game in Parkhead in the east end while rock band U2 perform at Hampden Park on the city's south side.
Free shuttle buses are being laid on to help fans attending the U2 concert in Glasgow on Tuesday in a bid to ease traffic congestion.
Strathclyde Partnership for Transport (SPT) said 20 buses would run from Buchanan Bus Station to Queens Drive, near Hampden, in the city's south side.
The concert is taking place on the same night as Celtic's Champion's League home match against Arsenal.
Both events will see up to 110,000 at Glasgow two largest stadiums.
SPT said the buses would run from 1700 BST onwards from four dedicated stances at Buchanan Bus Station.