News bites: Taking off more than flights

Your morning transportation speed-read: 

Security concerns are being raised at the Phoenix Sky Harbor International Airport after a series of pornographic videos were allegedly filmed there.

The National Transportation Safety Board (NTSB) is attributing an Oklahoma train crash to missed signals.

An increase in the amount of oil that is moved by trains could impact the Obama administration's decision on the controversial Keystone XL pipeline, according to an energy observation website.

Uncomfortable seats and limited leg room are the top complaints from airline passengers, according to a survey. 

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