ctv trffc mngmnt (ls mngd lns, smrt lns, mngd/smrt mtrwys) s mthd f ncrsng pk cpcty nd smthng trffc flws n bsy mjr hghwys. Tchnqs ncld vrbl spd lmts, hrd-shldr rnnng nd rmp-mtrng cntrlld by vrhd vrbl mssg sgns. t hs bn mplmntd n svrl cntrs, ncldng Grmny, th ntd Kngdm, Cnd nd th ntd Stts.