(a) (1) In this section, “traffic calming device” means a physical highway measure used to reduce vehicle speed and increase safety for bicyclists, motorists, and pedestrians.

(2) “Traffic calming device” includes:

(i) A speed bump;

(ii) A raised crosswalk;

(iii) A traffic circle; and

(iv) A narrowed road.

(b) (1) The Administration, in consultation with appropriate county and municipal authorities, shall compile best practices for siting, constructing, and maintaining traffic calming devices that address:

(i) The engineering and design of traffic calming devices; and

(ii) The costs and benefits of various methods of traffic calming.

(2) The Administration shall:

(i) Coordinate and act as a clearinghouse for best practices for siting, constructing, and maintaining traffic calming devices; and

(ii) Based on the best practices, publish and periodically update information about best practices for the siting, construction, and maintenance of traffic calming devices.

(3) The information on best practices required under paragraph (2) of this subsection shall include the estimated costs of construction for each traffic calming device.

(c) On the request of a county or municipality, the Administration shall provide information on best practices for the siting, construction, and maintenance of traffic calming devices.