authorised , and is conducted in accordance with any conditions imposed, by or under regulations under this section, be liable on summary conviction to a fine not exceeding ten pounds.
(2) The appropriate Minister may by regulations authorise, or provide for authorising, for the purposes of the foregoing sub section the holding on a public highway of races or trials of speed of any class or description, or a particular race or trial of speed, in such cases as may be prescribed and subject to such conditions as may be imposed by or under the regulations, and may prescribe the procedure to be followed , and the particulars to be given , in connection with applications for authorisation under the regulations, and regulations under this section may make different provision for different classes or descriptions of races and trials.
(2) Without prejudice to any other powers exercisable in that behalf, the chief officer of police may give such directions with respect to the movement of, or the route to be followed by, vehicular traffic, during such period, as may be necessary or expedient to prevent or mitigate congestion or obstruction of traffic, or danger to or from traffic, in consequence of the holding of a race or trial of speed authorised by or under regulations under this section , including a direction that any road or part of a road specified in the direction shall be closed during any such period to vehicles or to vehicles of a class or description so specified.
(4) In this section "public highway" does not include a footpath or bridleway.
13. Restriction on carriage of persons on bicycles.
(1) It shall not be lawful for more than one person to be carried on a road on a bicycle not propelled by mechanical power unless it is constructed or adapted for the carriage of more than one person.
(2) If a person is carried on a bicycle in contravention of the foregoing subsection, each of the persons carried shall be liable on summary conviction to a fine not exceeding five pounds, or in the case of a second or subsequent conviction to a fine not exceeding ten pounds.
(3) In this section references to a person carried on a bicycle shall include references to a person riding the bicycle.
Offences connected with Traffic generally
14. Drivers to comply with traffic directions.
(1) Where a police constable is for the time being engaged in the regulation of traffic in a road, or where a traffic sign, being a sign of the prescribed size, colour and type, or of another character authorised by the appropriate Minister under the provisions in that behalf of this Act, has been law fully placed on or near a road, a person driving or propelling a vehicle who
