A Dallas man was killed early this morning in a one vehicle accident in Coleman County. At approximately 1:20 a.m., Emmanuel A. Rodriguez, 20, of Dallas, driving a 2004 Chrysler Crossfire was traveling south on SH-206. The report states he was driving too fast when he went off the roadway from a curve. The vehicle went through a concrete culvert, rolled over into several trees and Rodriguez was ejected. The accident occurred 7.5 miles southwest of Burkett. The crash is still under investigation.