The best replacement for trolley is streetcar.

The best alternatives to trolley are rated as following:
★★★★★  streetcar
★★★★  cart
★★  cable car
★  tram
★  bottle jack
★  light rail
★  double decker bus
★  dolly
★  trolley
  conch train
  shopping cart
  dolley
  street car

Your alternative for trolley is not listed? Suggest!
Speaking about trolley, one probably shouldn't forget about hoist.

Other search terms related to trolley and their ratings are:
★★★★★ hoist
You have in mind a companion for trolley and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of trolley in all years. Click on graph for more.
trolley
streetcar
cart