Nine people were killed and 312 people injured in crashes investigated by the Pennsylvania State Police during the Fourth of July holiday driving period.
 
State troopers investigated a total of 845 crashes between July 4th and 8th. Of those crashes, 85 were alcohol-related, including four of the fatalities. Seven of those killed were not wearing seat belts. Troopers arrested 432 people for driving under the influence.
 
During the five-day period, troopers also issued 7,888 speeding citations, cited 773 motorists for failing to wear seat belts and issued 107 citations to motorists for not securing children in safety seats.
 
The statistics do not include fatal crashes and DUI arrests made by local and county police officers.