Related Clues:
- Its rides are summoned by smartphone
- App-based company protested by cabbies
- Prefix from German denoting an exceptional type
- Modern cab alternative
- Transportation network app
- App-based taxi service
- Outstanding, in slang
- Modern alternative to a taxi
- Transportation competitor of Lyft
- Really, informally
- Documentary film
- Extreme: Prefix
- World, to Columbus
- Company name found in six of the Across answers
- Alternative to a cab