Alone and in partnership with Amtrak, Caltrans is also involved in the support of intercity passenger rail service in California, and is a leader in promoting the use of alternative modes of transportation.

ENGADGET: IBM shows off Smarter Traveler traffic prediction tool

Users can lock-on to fast moving subjects throughout the frame using 3D tracking to create sharp images of fast action, or use one of the other modes including single point AF, Dynamic AF and Auto-Area AF.

ENGADGET: Nikon D5200 to reach US photographers in late January for $900

They swap contexts frequently and rapidly during a typical day and use multiple modes of communication.

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