Listen to the Difference on Universal Studios' Electric Trams
The converted trams allow you to hear the details on Universal Studios Hollywoods Studio Tour like never before. Its not completely quiet - you can hear the tires on the pavement and the squeak of the seats bouncing along that sometimes uneven ground. But its far better than the experience on the traditional trams.
United States Glen Connally King Kong Universal Studios Operations Technical Services Universal Studio Electric
Source: themeparkinsider.com