I rode in a self-driving shuttle in Times Square - and it showed what the early years of fully-autonomous vehicles might look like

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The Coast P-1 is a prototype the company unveiled in 2017.

The Coast P-1 is a prototype the company unveiled in 2017.

It has a maximum speed of 25 mph, a maximum 10 hours of range (it drops to five hours if air-conditioning is turned on), and the ability to charge wirelessly.

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The shuttle has no steering wheel or pedals.

The shuttle has no steering wheel or pedals.

It can seat 14 passengers on its semi-circular bench and has room for six additional passengers if they stand. Passengers can see the shuttle's route and estimated time of arrival at upcoming stops on a screen above them.

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The Coast P-1 can either travel to predetermined stops or be hailed by users through an app.

The Coast P-1 can either travel to predetermined stops or be hailed by users through an app.

When demand is high, the vehicle can travel on a set route. But during periods of low demand, passengers can have the shuttle pick them up and drop them off at their chosen destination.

Pierre Lefevre, Coast's CTO, said it has developed a fleet management system to make sure the shuttle isn't stopping too frequently. For example, if multiple people who are close to each other hail the shuttle, it will find a place to stop between them.

Lefevre said in dense urban environments, like New York City, passengers will board the Coast P-1 at predetermined stops and choose which stop they want to exit at on an iPad inside the vehicle.

Lefevre said the company doesn't know where it will launch its first, fully-operational shuttle service.

Lefevre said the company doesn't know where it will launch its first, fully-operational shuttle service.

Whether the vehicle will have to turn or move in only two directions will depend on the environment in which it makes its full-scale debut. Lefevre said the company would prefer to operate the shuttle near a body of water.

"Seaside or lakeside would be better for us," he said.

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The demo was very limited, so I wasn't able to get a comprehensive sense of how Coast's technology worked.

 The demo was very limited, so I wasn't able to get a comprehensive sense of how Coast's technology worked.

The shuttle went back and forth along a small, closed-off area separated from other vehicles. It didn't turn, interact with traffic, or model how it might respond to users who hail it with an app. Lefevre had to prompt the shuttle to move in one direction with an Xbox controller.

The vehicle has two lidar units — which shoot out pulses of light to detect objects and determine how far away they are — on each end. It uses artificial intelligence software to make decisions about how to operate and robotic software to stop, start, and steer, according to Coast's website.

While the demo was a bit of a tease, it hinted at what fully-autonomous driving technology may look like in its early years.

While the demo was a bit of a tease, it hinted at what fully-autonomous driving technology may look like in its early years.

Full autonomy could be at least five to 10 years away for consumer vehicles. The first examples of completely autonomous driving will come in vehicles operating in limited environments, like the ride-hailing services Waymo and Cruise plan to launch this year and next, respectively.

It remains to be seen how Coast's technology will fare in a major city, but by using conservative, low-speed vehicles and limiting where they can travel, the company has decreased the number of challenges its technology has to address.

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