Move to Learn. Find the Health In Action Lesson plans relating to safe routes and transportation safety at this site.

Pedestrian Safer Journey and Bicycle Safer Journey:
Educational videos and learner assessments for ages 5 - 18 available online at http://www.pedbikeinfo.org/pedsaferjourney/ and http://www.pedbikeinfo.org/bicyclesaferjourney/.
They're not meant to replace or serve as curriculum, but rather a way to jumpstart things.