The Highway Patrol announced a preliminary number of ten motorists who died on North Carolina highways during the Thanksgiving holiday period. The holiday period officially began at 6:00 p.m., Wednesday, Nov. 27 and ended at midnight, Sunday, Dec 1. Last year during the Thanksgiving holiday period, the highway patrol investigated 11 fatal collisions, 432 injury collisions and 1,457 property damage collisions. Many of these collisions were attributed to excessive speed. Speed remains the leading cause of traffic collisions and fatalities in North Carolina as well as across the country.