Traffic signs, light signals and road markings to be obeyed
The driver of a vehicle in the tunnel area shall comply with the requirement indicated by-
(a) a prescribed traffic sign or prescribed light signal of the type shown in any of the figures in the Schedule;
(b) such traffic signs, light signals or road markings prescribed by the Road Traffic (Traffic Control) Regulations (Cap 374 sub. leg. G) erected, placed, or otherwise displayed by the Company within the tunnel area pursuant to the powers vested in the Company under the Regulation as the Company shall deem fit for the purpose of regulating traffic.