Despite Uber’s recent disappointing IPO, the rideshare market is expected to continue its explosive growth, and that will affect transportation infrastructure in a number of ways, some expected and some yet to be fully understood. According to Global Ridesharing: 40 Billion Rides and Counting, by Sharespost, customer spending on ridesharing globally could grow to $400 billion by 2021, up from between $175 billion to $225 billion this year.

“We are already seeing early evidence ridesharing companies are expanding into adjacent ‘human and non-human mobility’ markets, including food delivery, short-term rental cars, complementing or supplementing public transportation, last-mile delivery services, and long-haul or freight/ground delivery services,” Sharespost notes.

The unknown impact of rideshare services — as well as autonomous vehicles, in which ride-sharing services are investing in — on toll roads and lanes, as well as public transit, has been