Regional matrix Origin Estimated destination of trips broken down by origin, destination, time slot, reason and main mode of travel (2030). The matrix refers to an average weekday and considers 1525 zones (of which 1450 zones within the region). The travel data is distinguished by origin, destination, time slot, reason and main mode of travel. The regional OD matrix includes 8 modes (driver car, passenger car, rubber LPT, iron LPT, motorbike, bike, foot and other) and 5 reasons (work, study, occasional, business, homecoming).