BURBANK (CBS) — A groundbreaking ceremony was held Thursday on a $70 million project to establish 4.4 miles of carpool lanes on two Los Angeles freeways.

The new lanes will be on the Golden State (5) Freeway between Buena Vista Street in Burbank and the Hollywood (170) Freeway in Sun Valley.

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The project is scheduled for completion in 2014, and more than half of the cost will be paid by federal stimulus funds.

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Caltrans officials noted that an increasing number of motorists are using carpool lanes.

Caltrans also plans to make improvements on other lanes of the freeway.

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