112: If you need to change lane, first use your mirrors and check your blind spots (the areas you are unable to see in the mirrors) to make sure you will not force another driver or rider to swerve or slow down. When it is safe to do so, signal to indicate your intentions to other road users and when clear move over.

113: You should follow the signs and road markings and get into lane as directed. In congested road conditions do not change lanes unnecessarily.

114: Where a single carriageway has three lanes and the road markings or signs do not give priority to traffic in either direction

• use the middle lane only for overtaking or turning right. Remember, you have no more right to use the middle lane than a driver coming from the opposite direction
• do not use the right-hand lane.

115: Where a single carriageway has four or more lanes, use only the lanes that signs or markings indicate.

116: On a two-lane dual carriageway you should stay in the left-hand lane. Use the right-hand lane for overtaking or turning right. If you use it for overtaking move back to the left-hand lane when it is safe to do so.

117: On a three-lane dual carriageway, you may use the middle lane or the right-hand lane to overtake but return to the middle and then the left-hand lane when it is safe.

118: Climbing and crawler lanes. These are provided on some hills. Use this lane if you are driving a slow moving vehicle or if there are vehicles behind you wishing to overtake.

119: Cycle lanes. These are shown by road markings and signs. You MUST NOT drive or park in a cycle lane marked by a solid white line during its times of operation. Do not drive or park in a cycle lane marked by a broken white line unless it is unavoidable. You MUST NOT park in any cycle lane whilst waiting restrictions apply.
Law RTRA sects 5 & 8

120: Bus and tram lanes. These are shown by road markings and signs. You MUST NOT drive or stop in a tram lane or in a bus lane during its period of operation unless the signs indicate you may do so.
Law RTRA sects 5 & 8

121: One-way streets. Traffic MUST travel in the direction indicated by signs. Buses and/or cycles may have a contraflow lane. Choose the correct lane for your exit as soon as you can. Do not change lanes suddenly. Unless road signs or markings indicate otherwise, you should use

• the left-hand lane when going left
• the right-hand lane when going right
• the most appropriate lane when going straight ahead. Remember - traffic could be passing on both sides.
  Laws RTA 1988 sect 36 & RTRA sects 5 & 8