Working time: do an itinerant worker's first and last journeys of the day count?

Does the working time of workers who travel as part of their job include the first and last journeys of the day? The Advocate General has considered this dilemma in the potentially important case Federación de Servicios Privados del sindicato Comisiones Obreras v Tyco Integrated Security SL, Tyco Integrated Fire & Security Corporation Servicios SA.