The cause of the crash is believed to have been blowing snow across the highway. The wind is blowing at about 30 mph. The vehicles include tractor-trailers, cars, and box trucks.
An operations center has been set up by the Pennsylvania Emergency Management Agency. A shelter has also been set up. The temperatures are very cold.
The pileup occurred around 9:45 am this morning on the Interstate, near Bethel Township.
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Sources:
http://www.nbcnews.com/news/us-news/pileup-involving-dozens-cars-shuts-pennsylvania-interstate-amid-strong-winds-n518066
http://www.postbulletin.com/news/nation/police-more-than-cars-involved-in-big-i--pileup/article_c42ca4e5-9e64-5394-90eb-fe25741544a7.html
Keywords: crash, pileup, Bethel Township, PA, Pennsylvania, snow, 78, fatalities, emergency