King County Metro: Just One Trip

King County Metro, the metro system for King County in Washington, discouraged solo driving trips in the county by using modelling software to target people most likely to change transport methods with mobile ads, events and mailings.

The Situation

  • Despite Seattle's "nightmare traffic" (the fifth-worst in the nation), King County Metro was fighting a losing battle to get residents out from behind the wheel and onto a bus, bike, or carpool.
  • Halfway through Just One Trip, Metro's four-year campaign to encourage transit use, their program had recruited just 25% of desired participants, and motivated them to switch only 12% of the desired trips to a method other than driving alone.

The Task

  • For Phase II of Just One Trip, reduce 400,000 solo driving trips (quadruple the results of Phase I) and recruit 15,000 participants (triple the results...

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