BOSTON (AP) – A bill that restricts the use of motorized scooters was approved by state lawmakers Wednesday and sent to Gov. Mitt Romney for his signature.

The proposed law requires scooter operators to hold a valid driver’s license or permit and wear a helmet. It also mandates the scooters be driven during daylight hours at no more than 20 miles per hour and requires they be equipped with turn signals. Drivers must also obey all traffic laws and stay off sidewalks.

The new law would cover all types of scooters, from motorized skateboards to 2-foot miniature motorcycles and motorized tricycles.

Violations would bring a $25 fine for the first offense, between $25 and $50 for the second offense and between $50 and $100 for subsequent violations.

“There are young, adolescent children that were driving these vehicles and they didn’t know the rules and regulations of the roadway,” said Rep. Bob Fennell, D-Lynn, who first introduced the legislation four years ago.

As the scooters grew in popularity and speed, and smaller in size, they became more dangerous because they are difficult to see darting in and out of traffic, he said.

If signed by Romney, the new rules would mirror those of mo-peds or motorbikes. A spokewoman for the governor said he’s reviewing the legislation.