A Lansdale woman was killed Tuesday in a head-on collision in New Hanover Township. Police say 28-year-old Kelly Eisenhart crossed over the center line at about 7:30am, on Swamp Pike near Reifsnyder Road, and hit a Chevrolet Blazer driven by 44-year-old Dale McMillan of Gilbertsville.  He was flown to a hospital for treatment of leg and head injuries.  Neither driver was carrying any passengers, and the crash remains under investigation.