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Portland Bureau of Transportation

Phone: 503-823-5185

Fax: 503-823-7576

1120 SW Fifth Ave, Suite 800, Portland, OR 97204

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Mind Your Idle — Please Don’t Idle Near School

idling signDid you know that children breathe in twice as much air for their body weight than adults? Idling your car during school drop-off and pick-up is a toxic health hazard that harms our children. Idling also gets zero miles to the gallon.

Vehicle exhaust is the leading source of toxic air pollution in Oregon. It seems counter intuitive, but we actually pollute our own immediate air quality — inside the vehicle — when we idle. And, vehicle exhaust is associated with worsening symptoms for children with asthma.

What you can do:

  • Turn the car off if idling for more than 10 seconds (except in traffic of course!). You’ll save money, the environment, and our student’s lungs.
  • Ask your school’s principal to post a no idling sign, like the one at right, at your school.

For a free mountable sign contact Safe Routes at