Charles B. Pierce with Eastwood, who liked the story and helped Pierce develop it into "Sudden Impact" (1983), the fourth entry in Eastwood's Dirty Harry film series. Pierce was given a writer's credit for the story along with Joseph C. Stinson. Pierce is said to have written the phrase, "Go ahead, make my day," the film's most famous line, which went on to be identified as one of the ten best movie quotes of all-time by the American Film Institute. The phrase was inspired by something his father once told Pierce in his youth while encouraging his son to mow the lawn: "When
Go-Ahead Group 2006 Docklands Buses was acquired and integrated into Go-Ahead London followed in October 2006 by Marchwood Motorways that was integrated into Go South Coast. In December 2006 Gatwick Airport parking operator PAS was purchased and integrated into Meteor Parking followed by security provider Nikaro in February 2007. In June 2007 Blue Triangle was acquired and integrated into Go-Ahead London. In September 2007 Northumbria Coaches was purchased and integrated into Go North East, followed by Stanley Taxis in October 2007 and Redby Buses in January 2008. In November 2007 Govia commenced operating the London Midland rail franchise. In December 2007 the