As Mayor Garcetti’s Sustainable City pLAn describes, Los Angeles drivers spend more time in traffic than any other major U.S. city – and that is before Los Angeles welcomes the 500,000 new residents expected by 2035.

But, this population growth does not necessarily mean more traffic jams. The mobility evolution has begun, and the pLAn calls for increases in shared transportation (sometimes called “mobility”) services with a specific goal of doubling such trips by 2025 (from 2012 levels).

One traditional iteration of shared mobility – public transportation – will likely continue to be the “backbone” of any city’s mobility program in the coming decades. In addition, new mobility options will continue to expand and new models may emerge; and new users will join existing programs. For example, in 2018 we will likely see more carsharing which is growing at a rate of 35% a year in the U.S. In addition we will also most likely see an increase in mobility services where users need not drive themselves – one study found that only 60% of today’s 18 year olds have a driver’s license and Goldman Sachs has predicted that the ride-hailing market (for example Lyft and Uber) will grow eightfold to $285 billion by 2030. Furthermore, more vehicles may be used in “multi-modal” programs. For example, we may see more programs in which single vehicles are used for carsharing during the day, carpooling in the mornings and evenings and ride-hailing on the weekends.

Autonomous vehicles will almost certainly be part of the mobility revolution – RethinkX projects that “by 2030, within 10 years of regulatory approval of autonomous vehicles (AVs), 95% of U.S. passenger miles traveled will be served by on-demand autonomous electric vehicles owned by fleets, not individuals.” This prediction is not science fiction – nuTonomy plans to launch a commercial ride service in Singapore in 2018.

Lawmakers must be nimble in addressing these mobility and technological changes. Certain laws from traditional transportation modes, such as laws governing traditional counter-based rental car transactions, may also apply to mobility programs. For example, certain state vehicle “rental” laws that catch mobility programs within their scope contain provisions requiring posting signs at rental counters and conducting in-person signature or driver’s license verification. Compliance with such obligations may be difficult since many mobility program transactions occur remotely and only involve a user, a vehicle, and a mobile application. In addition, local, state, and federal for-hire vehicle or motor carrier laws may apply to certain mobility programs. Moreover, multiple uses of a vehicle will raise legal and risk issues that need to be carefully assessed.

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