HB633:

Speed limits; expands authority of any locality to reduce to less than 25 miles per hour, etc.

Bill Summary:

Reduction of speed limits; local authority.
Expands the current authority of any locality to reduce the speed
limit to less than 25 miles per hour, but not less than 15 miles
per hour, on highways within its boundaries that are located in a
business district or residence district, provided that such reduced
speed limit is indicated by lawfully placed signs, to include highways
within the state highway system.