Simplify the following text for a Grade 8 native English-speaking person.
Original: Public transport in Bratislava is managed by DopravnÃ 1\/2 podnik Bratislava , a city-owned company . The transport system is known as MestskÃ hromadnÃ doprava ( MHD , Municipal Mass Transit ) and employs buses , trams , and trolleybuses .
Simplified: Bratislava has its own public transport system , with buses , trams and trolleybuses .