Maryland Statutes
Subtitle 12 - Operation of Bicycles and Play Vehicles
Section 21-1204 - Clinging to Vehicles

(a)    This section does not apply to any log skid, drag, or farm sled while used in agricultural or forestry practices.
    (b)    A person riding on any bicycle or motor scooter may not attach it or himself to any vehicle on a roadway.
    (c)    A person riding on any play vehicle may not attach it or himself to any vehicle on a roadway.
    (d)    A person riding on any coaster may not attach it or himself to any vehicle on a roadway.
    (e)    A person riding on any skateboard may not attach it or himself to any vehicle on a roadway.
    (f)    A person riding on any roller skates may not attach them or himself to any vehicle on a roadway.
    (g)    A person riding on any sled may not attach it or himself to any vehicle on a roadway.
    (h)    A person riding on any toy vehicle may not attach it or himself to any vehicle on a roadway.