Dual Carriageways

Question 1

how do you recognise a dual carriageway

Answer 1

By a central reservation separating the 2 carriageways, usually grass, pavements or barriers

Question 2

What are the rules for speed limits in a dual carriageway

Answer 2

usually higher than normal roads and up to 70mph

Question 3

how to know what is the speed limit in a dual carriageway

Answer 3

by always looking for signs around that indicate the speed limit

Question 4

what lane should be used and when should it not be

Answer 4

The left lane should be the lane considered to be used unless road markings or signs tell otherwise

Question 5

when should the right lane be used

Answer 5

when overtaking or turning right

Question 6

where should the vehicle be positioned in a dual carriageway

Answer 6

in the centre of the lane

Question 7

what are slip lanes

Answer 7

lanes used to join or leave the carriageways

Question 8

What is the use of the slip lane when emerging and why

Answer 8

to build up speed similar to those in the carriageway, this is done not to disrupt the flow of traffic

Question 9

What visual queues should be used when emerging into a dual carriageway, how and why

Answer 9

mirrors to look for any vehicles coming forward and a glance to the road you’re emerging into to see any vehicles that you may have not seen in the mirrors

Question 10

when should you not join a dual carriageway without stopping

Answer 10

when there isn’t a safe gap to join into

Question 11

what are the hazards for when emerging from a side road into a carriageway

Answer 11

vehicles are moving too fast, lookout for a wide gap to come into =. Vehicles may move from the right to the left lane