Q #222 - You are joining a motorway. Why is it important to make full use of the slip road?
Try to join the motorway without affecting the progress of the traffic already travelling on it. Always give way to traffic already on the motorway. At busy times you may have to slow down to merge into slow-moving traffic.
Because there is space available to turn round if you need to
To allow you direct access to the overtaking lanes
To build up a speed similar to traffic on the motorway