October 27, 2014: Port congestion ties up retailer profits; zombie truck driver; and the worst freight bottleneck in the U.S.

Here is a look at what's happening in the world of transportation this morning:

• Philadelphia’s public transit workers voted to go on strike, which could occur later this year or in early 2015, according to Philly.com.
• Reuters reports that heavy freight congestion at the ports of Long Beach and Los Angeles is creating headaches for retailers.
• A tractor-trailer theft leaves a trucking firm in the hole $150,000, according to WNEP 16.
• Fox News reports that Elon Musk, founder of all-electric luxury car maker Tesla, said at the MIT Aeronautics and Astronautics department's Centennial Symposium that artificial intelligence could be “the biggest threat to humans.”
• A truck driver is characterized as a “zombie” after crashing into a bus carrying a college softball team that left several dead, according to Bloomberg.
• The Juneau County Star Times reports on the efforts of a retired trucking company owner to save an iconic Alaska mansion built by a beer baron.
• The U.S. Dept. of Transportation is investigating one of its own divisions over the handling of vehicle recalls due to airbag defects, according to ABC News.
• The Financial Post spotlights what’s considered to be the worst freight bottleneck in North America.
• Could freight trains cut off road access to emergency vehicles, even if on call? CBS News says that is what’s happening in Gary, IN.
• The world’s largest truck convoy draws surprised reactions from fellow motorists on I-64 in Virginia, according to CBS 6.