• FILE - In this Wednesday, March 18, 2015, file photo, the Uber application displays cars available for a pick up at 100 Centre St on a cell phone in New York. In four years Uber has gone from nearly non-existent to more than 26,000 drivers, joining over 13, 000 New York City taxis. (AP Photo/Mary Altaffer, File)

    FILE - In this Wednesday, March 18, 2015, file photo, the Uber application displays cars available for a pick up at 100 Centre St on a cell phone in New York. In four years Uber has gone from nearly non-existent to more than 26,000 drivers, joining ... over 13, 000 New York City taxis. (AP Photo/Mary Altaffer, File) (The Associated Press)

  • In this July 21, 2015 photo, yellow cab driver Jatinder Singh poses for a portrait near his taxi in New York. Singh owned a yellow cab, which he decided to paint black so he could start driving with Uber. He lasted about six months before he sold the car and returned to taxi driving. (AP Photo/Frank Franklin II)

    In this July 21, 2015 photo, yellow cab driver Jatinder Singh poses for a portrait near his taxi in New York. Singh owned a yellow cab, which he decided to paint black so he could start driving with Uber. He lasted about six months before he sold the ... car and returned to taxi driving. (AP Photo/Frank Franklin II) (The Associated Press)

  • FILE - In this May 28, 2015, file photo, Uber drivers and their supporters protest in front of the offices of the Taxi and Limousine Commission in New York. In four years Uber has gone from nearly non-existent to more than 26,000 drivers, joining over 13,000 New York City taxis. (AP Photo/Seth Wenig, File)

    FILE - In this May 28, 2015, file photo, Uber drivers and their supporters protest in front of the offices of the Taxi and Limousine Commission in New York. In four years Uber has gone from nearly non-existent to more than 26,000 drivers, joining ... over 13,000 New York City taxis. (AP Photo/Seth Wenig, File) (The Associated Press)

Drivers on both sides of Uber debate weigh in on how ride-hailing app is changing NYC streets

The rise of smartphone ride-hailing services has given New York City riders increasingly more choices in how to get from here to there.

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But some drivers who keep cars moving say they are stuck in the middle.

Uber, the leader in ride-hailing services, has in four years gone from nearly non-existent to more than 20,000 drivers, joining the city's 13,437 taxis.

Some traditional yellow cab drivers say that since the arrival of Uber, the increased competition has cost them about 30 percent of their earnings.

Uber drivers also have complained the crowded streets are hurting their bottom line, a notion disputed by the company, which is moving forward with a goal of adding 10,000 drivers by the end of the year.