Is this a dual carriageway
Discussion
As I understand it, a DC is defined as a 'division between 2 carriageways'. Which can be something as small as a grass verge....
These youtube videos are low quality, the remote controlled camera I was using at the time is not a very good quality.
Its the same road, I don't know the number but its after the Runcorn bridge heading into Liverpool towards the Airport. One shows the road with Armco (NSL) and then without the armco, but with a grass verge (NSL), the cameras are all on the part without Armco. Am unsure whether it comes under Runcorn or Widnes on this map: http://www.cheshiresafecam.org.uk/camera_maps/inde...
With armco, http://www.youtube.com/watch?v=DUabv4ARyVk
Without, http://www.youtube.com/watch?v=Xkg5jWiSxbs
Thoughts?
These youtube videos are low quality, the remote controlled camera I was using at the time is not a very good quality.
Its the same road, I don't know the number but its after the Runcorn bridge heading into Liverpool towards the Airport. One shows the road with Armco (NSL) and then without the armco, but with a grass verge (NSL), the cameras are all on the part without Armco. Am unsure whether it comes under Runcorn or Widnes on this map: http://www.cheshiresafecam.org.uk/camera_maps/inde...
With armco, http://www.youtube.com/watch?v=DUabv4ARyVk
Without, http://www.youtube.com/watch?v=Xkg5jWiSxbs
Thoughts?
From Wikipedia
In the UK, although the term dual carriageway applies to any road with physically separated lanes, it is frequently used as a descriptive term for major routes built in this style. Such major dual carriageways usually have two lanes of traffic in each direction, with the lane nearest the centre being reserved for overtaking. Occasionally dual carriageways have only one lane in each direction, or more than two lanes each way (usually to permit easier overtaking of slower uphill traffic). Different speed limits apply on dual carriageway sections from those that apply on single carriageway sections of the same class of road, except in cities and built-up areas where the dual carriageway is more of a safety measure, often intended to prevent pedestrians from crossing a busy road.
Diagram of types of road in the UK when first constructed, many dual carriageways - including the first motorways - had no crash or other barriers in the central reservation. Hence in the event of delays on the road, or if a driver missed his exit, there was a widespread problem of drivers making a U-turn onto the other carriageway; many accidents were caused as a result of their misjudging the speed of approaching traffic on the other carriageway when doing so. The majority of dual carriageway roads now have barriers. Some are heavy concrete obstructions which can have the effect of bouncing a vehicle back into the path of other traffic; others are made from steel ropes mounted on moderately weak posts, where the rope cuts into the vehicle body to slow the vehicle while keeping it against the barrier until it has stopped.
Turning right (that is, across the line of traffic heading in the opposite direction) is usually permitted only at specific locations. Often the driver will be required to turn left (away from the dual carriageway) in order to loop around to an access road that permits crossing the major road. Roundabouts on dual carriageways are relatively common, especially in cities or where the cost of a grade-separated junction would be prohibitive.
A long-distance dual carriageway with grade-separated junctions and which meets other requirements may be upgraded to motorway standard, denoted as an (M) added after the road number eg. A1(M).
[edit] Confusion
While most drivers are clear about what a motorway is, some are confused about the definition of a dual carriageway. For a road to be classed as a dual carriageway, the two directions of traffic flow must be physically separated by a central reservation.[1] A road where the two directions of flow are separated only by lines painted on the road surface is a single carriageway, regardless of the number of traffic lanes that may be available to the traffic in each direction. So a road with three or four lanes is not a dual carriageway if there is no central reservation.
ETA going by the above both vids are therefore a DC
http://en.wikipedia.org/wiki/Dual_carriageway
In the UK, although the term dual carriageway applies to any road with physically separated lanes, it is frequently used as a descriptive term for major routes built in this style. Such major dual carriageways usually have two lanes of traffic in each direction, with the lane nearest the centre being reserved for overtaking. Occasionally dual carriageways have only one lane in each direction, or more than two lanes each way (usually to permit easier overtaking of slower uphill traffic). Different speed limits apply on dual carriageway sections from those that apply on single carriageway sections of the same class of road, except in cities and built-up areas where the dual carriageway is more of a safety measure, often intended to prevent pedestrians from crossing a busy road.
Diagram of types of road in the UK when first constructed, many dual carriageways - including the first motorways - had no crash or other barriers in the central reservation. Hence in the event of delays on the road, or if a driver missed his exit, there was a widespread problem of drivers making a U-turn onto the other carriageway; many accidents were caused as a result of their misjudging the speed of approaching traffic on the other carriageway when doing so. The majority of dual carriageway roads now have barriers. Some are heavy concrete obstructions which can have the effect of bouncing a vehicle back into the path of other traffic; others are made from steel ropes mounted on moderately weak posts, where the rope cuts into the vehicle body to slow the vehicle while keeping it against the barrier until it has stopped.
Turning right (that is, across the line of traffic heading in the opposite direction) is usually permitted only at specific locations. Often the driver will be required to turn left (away from the dual carriageway) in order to loop around to an access road that permits crossing the major road. Roundabouts on dual carriageways are relatively common, especially in cities or where the cost of a grade-separated junction would be prohibitive.
A long-distance dual carriageway with grade-separated junctions and which meets other requirements may be upgraded to motorway standard, denoted as an (M) added after the road number eg. A1(M).
[edit] Confusion
While most drivers are clear about what a motorway is, some are confused about the definition of a dual carriageway. For a road to be classed as a dual carriageway, the two directions of traffic flow must be physically separated by a central reservation.[1] A road where the two directions of flow are separated only by lines painted on the road surface is a single carriageway, regardless of the number of traffic lanes that may be available to the traffic in each direction. So a road with three or four lanes is not a dual carriageway if there is no central reservation.
ETA going by the above both vids are therefore a DC
http://en.wikipedia.org/wiki/Dual_carriageway
Edited by wasted years on Thursday 22 November 11:58
I think both would be classed as a dual dual carriageway.
The following is taken from The Association of British Drivers website:
'For a road to be classed as a dual carriageway, the two directions of traffic flow must be physically separated by a central reservation. A road where the two directions of flow are separated only by lines painted on the road surface is a single carriageway, regardless of the number of traffic lanes that may be available to the traffic in each direction'
Link Here
The following is taken from The Association of British Drivers website:
'For a road to be classed as a dual carriageway, the two directions of traffic flow must be physically separated by a central reservation. A road where the two directions of flow are separated only by lines painted on the road surface is a single carriageway, regardless of the number of traffic lanes that may be available to the traffic in each direction'
Link Here
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