A Cameron resident received moderate injuries in an early morning crash on I-35 in Clinton County.  The accident was reported shortly before 1:00 a.m.  The Highway Patrol reports David Simms, 54, rear-ended a flatbed trailer being towed by Yurday Tunc, 26, of New Jersey.  Simms received a visit from law enforcement officials at Cameron Regional Medical Center.  Charges of driving while intoxicated and following too close resulting in an accident are pending.