Junctions and Roundabouts 路口及迴旋處

Approaching Junctions and Turning 駛近路口及轉彎

When approaching a junction, consider your road position and speed, and drive on only when you are sure it is safe and you will not block the junction. Follow the signs or lane arrows and choose your lane early, avoiding last-moment lane changes. After passing the 'Stop' or 'Give way' lines you must follow the arrow for your lane. Look out for long vehicles that may need the whole width of the road to turn, look out for trams, and give way to pedestrians crossing or waiting to cross. A vehicle from your right signalling left may not actually turn left, so wait to make sure.

Turning left: use your mirrors and signal left well before the turn. As far as safety and space allow, keep close to the left before and after the turn, and do not swing out to the right. Make sure no cyclist or motorcyclist is coming from behind on your left, and look out for pedestrians suddenly stepping off the pavement.

Turning right: check your mirrors well before the turn, signal right when it is safe, and take up a position just left of the 'centre' line or in the space marked for right-turn traffic, leaving room on your left for others to pass if you can. Wait for a safe gap in the oncoming traffic and do not cut the corner. If an oncoming vehicle is also turning right, normally keep it on your left and pass in front of it (nearside to nearside), unless signs or markings indicate otherwise or this is impractical. That vehicle may block your view, so look out for traffic approaching from behind it.

Right-turn pockets: at a signalised junction with a pocket you must still give way to oncoming traffic. When your light is green you may move forward from the right-turn lane and wait inside the pocket. While you are waiting there the signals no longer apply to you, so judge for yourself whether the gap is safe, and turn only if it is.

Traffic Lights, Box Junctions, and Stop and Give Way Junctions 交通燈、黃色方格、停車及讓路路口

Traffic lights: even on green, go forward only if you are sure you can clear the junction safely. Do not go forward on red or on red and amber together, and when you cannot go forward you must wait behind the 'Stop' line. Enter a lane served by a green arrow filter signal only if you want to go in the direction of the arrow. When turning into another road, give way to pedestrians crossing it and look out for those waiting to cross. If the lights are not working, slow down or stop as necessary, treat the junction as non-signalised and proceed with extreme caution.

Box junctions: do not enter the box if the exit road or lane is not clear. The exception is that if you want to turn right but are held up by oncoming traffic or by other vehicles waiting to turn right, you may enter from a lane marked with 'Turn right' arrows and wait in the box. Box junctions crossed by tram or light rail tracks are stricter: you must not enter from any approach lane, including a right-turn lane, unless the exit is clear.

'Stop' and 'Give way': at a 'Stop' sign and road markings you must stop behind the 'Stop' lines even if the major road is empty, and move off only when there is a safe gap. At a 'Give way' sign and road markings you must give way to major road traffic behind the 'Give way' lines, stopping only if necessary. In both cases give way to pedestrians crossing or waiting to cross the minor road. Where the view is restricted, a warning sign may show the distance to these lines. Junctions with relatively little traffic may have no upright 'Give way' sign or 'triangle' road marking.

Roundabouts 迴旋處

When approaching a roundabout, reduce your speed, decide as early as possible which exit you will take and get into the correct lane. You must turn left on entry and, unless road markings indicate otherwise, give way to traffic on your immediate right inside the roundabout. Keep moving if the way is clear, but do not enter if you can see your exit is blocked. Also give way to pedestrians crossing or waiting to cross.

Lanes and signals (unless signs or markings indicate otherwise): to turn left, approach in the left lane signalling left, stay in the outer lane and keep signalling left until you leave. To go straight ahead, approach in either the left or right lane (left or middle lane at a 3-lane roundabout) without signalling, keep to that lane, and signal left after passing the exit before yours. To turn right or make a U-turn, approach in the right lane (right or middle lane at a 3-lane roundabout) signalling right, travel in the inner lane (inner or middle lane at a 3-lane roundabout), and change to a left signal after passing the exit before yours. An inner lane user at a 3-lane roundabout may move to the middle lane first when signalling left.

On the roundabout, look out for and show consideration to vehicles crossing in front of you, especially those leaving by the next exit. On a spiral roundabout, note the road marking that guides vehicles out, but even if it is in your favour, watch for vehicles crossing from behind on your left as you leave. If you miss your exit, keep circling until you reach it again. Give cyclists and motorcyclists more room, and look out for long vehicles, which may need to take a different course.

Junctions with Dual Carriageways 分隔車路的路口

Leaving a major trunk road or an expressway: information about the junction ahead is usually given at least 500 m in advance, giving you time to move to the leftmost lane. Countdown markers show the distance in hundreds of metres to the start of the deceleration lane, and a deceleration arrow marks where that lane begins, giving you time and space to slow down. The slip road leads to a junction with an ordinary road or to another dual carriageway. Some slip roads have sharp bends that need a further reduction in speed.

Joining a major trunk road or an expressway: the slip road leads into an acceleration lane. Watch the traffic on the main road and adjust your speed so you can join the nearest lane in a suitable gap. After joining, stay in that lane until you are used to the speed of the traffic, and only then change lanes if necessary.

Signs: major trunk road signs are blue and expressway signs are green, and on wide busy roads direction signs may be placed on overhead gantries. Arrows below destinations mean you should select your destination and get in lane in good time. Where no lane is lost beyond the junction, the panel with the sloping upward arrow shows exit destinations and the panel with downward arrows shows destinations for the main road. Keep left if you are leaving the main road.