A Clean Air Zone sign in Canada tells drivers to switch their car engine off when stationary or stopped.

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Size: 2819px × 4244px
Location: Canada
Photo credit: © UrbanImages / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, america, american, anti-pollution, canada, canadian, clean, idle, measure, measures, north, pollution, quality, road, roadsign, roadsigns, sign, signage, signs, turn, vehicle, vertical, waiting, zone