There were two types of vehicles used on Isla Nublar. Utility Jeeps used by park personnel, and Tour Vehicles (Ford Explorers in the movie or Toyota Land Cruisers in the novel) that ran on electric power delivered through a track in the ground. Their purpose was to drive visitors into enclosures to encounter the dinosaurs in complete safety.
In an alternate reality, one that seems somewhat plausible in our own, Universal Studios opens the ultimate theme park experience, with both new and classic attractions. Add your own concepts for lands and attractions