There are taxi ranks at the railway station and beside the City Hall. The journey to the University takes between 5 to 10 minutes, and you should expect to pay about £5. Ask them to drop you at Bar One on Glossop Road.
You can catch the Supertram to the campus from Meadowhall, the railway station and the city centre. Both the blue route to Malin Bridge and the yellow route to Middlewood stop at the University. Walk up Hounsfield Road and turn left at the end. The Students& Union (where Foundry is located) is straight ahead.
Sheffield is at the heart of the railway network. Regular services operate between Sheffield and London St. Pancras (from just over 2 hours), Birmingham (1.25 hours), Leeds (1 hour) Manchester (1 hour) and Nottingham (1 hour). You can plan journeys using the National Rail site.
There is a direct link from the railway station to the Sheffield Station Supertram stop
Nearby airports include Manchester Airport (less than 1 hour by train) and Leeds Bradford Airport (less than 1 hour by train), and Nottingham East Midlands (around 2 hours by train).