The State Highway Patrol is reminding motorists to be careful as they enjoy the Memorial Day weekend.  The holiday officially kicks off the summer vacation season in North Carolina.  Last year, the Highway Patrol investigated 263 fatal collisions and over 9,047 injury collisions during the summer months.  The Memorial Day holiday, which is set aside to honor deceased men and women from the Armed Forces, is expected to be a busy one. The holiday weekend officially begins at 6:00 p.m. on Friday, May 27, and ends at midnight, Monday, May 30.  Last year the Highway Patrol investigated 7 fatal collisions and over 342 injury related collisions during the Memorial Day weekend. Citizens may report crashes, impaired drivers, stranded motorists or other highway situations to the Highway Patrol by dialing * HP (*47) on their cellular telephones.  This is a toll free call that connects the caller to the nearest Highway Patrol communications center.