Sikh drivers are transforming U.S. trucking. Take a ride along the Punjabi American highway

Palwinder Singh came to America from Patiala, India in 2001, and is one of the 138,000 truck drivers in California. He said the job appealed to him because it gave him independence, including the ability to grow out his beard and wear a turban on the job. (video by Claire Hannah Collins).

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