The graphs shown below are from data being collected in 2004.

Sokol Park, near Czech Village SW on the Cedar River Trail

Cedar Lake Loop, near the northwest corner

McCloud Place NE, near 32nd Street along the Cedar River Trail

Boyson Road Hiawatha, at the trailhead of the Cedar Valley Nature Trail in Hiawatha

Boyson Trail, at Boyson Road, Marion

Sac & Fox Trail, at East Post Road

Sac & Fox Trail, at Cole Street