curvy-street : BUW
darkasphalt: EPFL
darkasphalt2: EPFL
gravel: EPFL
greyasphalt: EPFL/BUW
motorway: EPFL
one-way-street: BUW
paving: EPFL
driveway: BUW
snowstorm1: EPFL
snowstorm2: EPFL
validation: BUW