SIOUX FALLS, S.D.(KELO)- Over 150-thousand people are expected to take to the Bike Trails that wind through Siuox Falls in the next two months.

And, starting this weekend, there will be more E-bikes on the 36-mile system.

Brett Collars, the Assistant Director of Parks and Rec, says Class 2 E-bikes will be allowed to join Class 1 bikes on the trails.

The police department will have bicycle officers on the trail system to enforce the 15-mile an hour speed limit.

Class 3 E-bikes, which are faster, are not allowed.