Less worried about the peds than the rec.riders on "bmx-esque" bikes wandering all over the path. Was following the son on his lowracer and we'd slow down and do a "beep-beep" (voiced) for the peds- no problems. We pull up behind some guy and his GF on whatever you call those heavy, full suspension, knobby tired bikes give them a beep-beep and she swerves straight across the path as she tries to look over her shoulder. Heard the boyfriend telling her that she needs to stay right on the path-
