The Brief Cocoa Beach has posted a 15 mph speed limit for e-bikes on the Minutemen Causeway sidewalk. Cocoa Beach has posted a 15 mph speed limit for e-bikes on a busy sidewalk along Minutemen Causeway, a move city officials say is intended to improve safety for students, pedestrians and riders. The new signs apply to bicycles and e-bikes using the sidewalk, not to cars traveling on the roadway. The 15 mph signs are currently posted only along Minutemen Causeway. Cocoa Beach police are also reminding riders to yield to pedestrians, give an audible warning before passing, slow down at intersections and driveways, obey traffic signs and remain below the 15 mph sidewalk limit.