SPEED AND LANE INFORMATION SIGNS
Form 1 or 2 lanes signs
Purpose: These signs show that the number of lanes on the road you are travelling on will reduce to the number shown on the sign. When you see these signs, you need to merge with other drivers into a remaining lane. They may be accompanied by a supplementary sign showing the distance beyond the sign that the number of lanes will be reduced.
Merge right signs
Purpose: These signs show that you will need to merge right and join a lane with other drivers
Speed limit ahead signs
Purpose: These signs show that the speed limit is changing ahead. You should start slowing down to prepare for the lower speed limit.