Chapter:	474C	Title:	Tai Lam Tunnel and Yuen Long Approach Road Bylaw	Gazette Number:	E.R. 2 of 2012
Section:	8	Heading:	Lane changing	Version Date:	02/08/2012

The driver of a vehicle shall not, unless authorized to do so by a toll area control officer or by a traffic sign, cause or permit his vehicle or any part of it to be on or over or to cross the continuous double white lines dividing the tunnel area and the toll area into lanes.