Observed hand-held cellphone use dropped from 4.1 percent to 2.7 percent between the specified time periods in California. In Delaware, 6,200 tickets were issued by all but one police department over the same period. Cellphone use dropped from 4.5 percent to 3.0 percent in Delaware by the end of the study, according to NHTSA.
NHTSA developed and paid for media and advertising spots in the state programs with the tag line “Phone in One Hand, Ticket in the Other.”
Acting NHTSA Administrator David Friedman said in a statement: "National campaigns like ‘Click It or Ticket’ and local efforts like ‘Phone in One Hand, Ticket in the Other’ show that combining good laws with effective enforcement and strong public education campaigns can -- and do -- change unsafe driving behaviors."