ADR 1:
Conor:
dsa:
…& also on the A556 Chester rd - J19 off the M6
same road 
Spam-Javelin:
You could say no the assessor is incorrect because he didn’t say “what is the speed limit for HGV’s on this road” which is what he should have said.
You should know what the maximum speed limit for the vehicle you drive on the class if road you are on.
steptoe:
Spam-Javelin:
You could say no the assessor is incorrect because he didn’t say “what is the speed limit for HGV’s on this road” which is what he should have said.You should know what the maximum speed limit for the vehicle you drive on the class if road you are on.
Whats the speed limit on this road lad? 50mph sir but for me it’s 40mph. Correct son well done.
K5Project:
it would be nice to know for sure as i do not own a copy of the highway code to fall back on
Go buy your self one couple of quid useful to stick in your bag
^^ that.
Always handy for reference and also to hand one to a car driver who obviously doesnt know the rules of the road. the look on their faces is priceless.
Not as funny as throwing an egg at them, but amusing nonetheless. 
If you haven’t got a paper copy (and TBH you really should - the Code changes to reflect changes in the law etc) you can always read it online at gov.uk/highway-code
There are 4 classes of road the average driver needs to know.
Built up areas.
Single carriageway.
Duel carriageway.
Motorway.
As the OP has clearly shown, the powers that be need to legislate for the lowest common denominator. As such they kept it very simple for LGV drivers, setting the limits at 30, 40, 50 and 60 respectively. 
K5Project:
it would be nice to know for sure as i do not own a copy of the highway code to fall back on
Go buy your self one couple of quid useful to stick in your bag
true its worth investing in one as you say its only a couple of quid
thanks to all that replied,i stand corrected and will stick at 40
truckman20:
thanks to all that replied,i stand corrected and will stick at 40
You won’t be the first (or the last!). One of our drivers got pinged by one of the GATSOs on the A5 North of Hinckley. He was convinced that the 50mph posted limit over-rode the normal 40mph Single Carriageway limit.
It’s something along the lines of ’ a vehicle is limited to its category speed limit unless the signed speed limit is LESS"
I much prefer lorry drivers without balls !
TJ82:
The fact that a single-carriageway road has speed limit signs for 50 or 60 mph does not override the national limit of 40 mph for HGVs on single carriageway roads, and there is no requirement for specific speed limit signing for HGVs.as for the Dual thingy stated above here is the definition…
A dual-carriageway is defined by the presence of a central reservation, either paved or grassed over. The number of lanes in either direction is irrelevant. Indeed, a dual-carriageway can have only one lane in each direction, so long as there is a central reservation.
if the central reservation is a grass bank with 2 lanes in both directions and the road has speed limits for 50 or 60 mph
the speed limit is 40 mph (at the moment) for hgvs
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bank
then you can do 50
villa:
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bank
then you can do 50
Really? I was always under the impression that the requirement was for a physical divide between the two carriageways, no mention specifically of a metal barrier? Would concrete do?
Dual carriageways
A dual carriageway is a road which has a central reservation to separate the carriageways.
The definition from the www.gov.uk website.
villa:
TJ82:
The fact that a single-carriageway road has speed limit signs for 50 or 60 mph does not override the national limit of 40 mph for HGVs on single carriageway roads, and there is no requirement for specific speed limit signing for HGVs.as for the Dual thingy stated above here is the definition…
A dual-carriageway is defined by the presence of a central reservation, either paved or grassed over. The number of lanes in either direction is irrelevant. Indeed, a dual-carriageway can have only one lane in each direction, so long as there is a central reservation.
if the central reservation is a grass bank with 2 lanes in both directions and the road has speed limits for 50 or 60 mph
the speed limit is 40 mph (at the moment) for hgvs
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bank
then you can do 50
Wrong on two counts. As stated above, there only needs to be some physical division between the two sides, and the number of lanes is irrelevant - there can be 2, 3, 4… 8.
villa:
if the central reservation is a grass bank with 2 lanes in both directions and the road has speed limits for 50 or 60 mph
the speed limit is 40 mph (at the moment) for hgvs
The number of lanes is irrelevant, the clue is in the name -dual carriageway - which refers to the number of carriageways not the number of lanes. A dual carriageway can have 1 lane in each direction and a single carriageway could have 2, 3, 4 or more. Two lanes would be a dual lane road not necessarily a dual carriageway.
villa:
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bank
Nonsense, it just has to have physical separation between the carriageways which could be a strip of grass or gravel, just needs to be something more than painted lines. It certainly doesn’t have to be a metal barrier, you also get concrete barriers separating carriageways, or an actual barrier of any kind.
How can people who drive many thousands of miles for a living not know what type of road is what or the national speed limits for their class of vehicle on a given road?
Coffeeholic:
villa:
if the central reservation is a grass bank with 2 lanes in both directions and the road has speed limits for 50 or 60 mph
the speed limit is 40 mph (at the moment) for hgvsThe number of lanes is irrelevant, the clue is in the name -dual carriageway - which refers to the number of carriageways not the number of lanes. A dual carriageway can have 1 lane in each direction and a single carriageway could have 2, 3, 4 or more. Two lanes would be a dual lane road not necessarily a dual carriageway.
villa:
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bankNonsense, it just has to have physical separation between the carriageways which could be a strip of grass or gravel, just needs to be something more than painted lines. It certainly doesn’t have to be a metal barrier, you also get concrete barriers separating carriageways, or an actual barrier of any kind.
Or in the case of the Dartford Crossing, one carriageway is a bridge and the other one is two tunnels.
waddy640:
Coffeeholic:
villa:
if the central reservation is a grass bank with 2 lanes in both directions and the road has speed limits for 50 or 60 mph
the speed limit is 40 mph (at the moment) for hgvsThe number of lanes is irrelevant, the clue is in the name -dual carriageway - which refers to the number of carriageways not the number of lanes. A dual carriageway can have 1 lane in each direction and a single carriageway could have 2, 3, 4 or more. Two lanes would be a dual lane road not necessarily a dual carriageway.
villa:
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bankNonsense, it just has to have physical separation between the carriageways which could be a strip of grass or gravel, just needs to be something more than painted lines. It certainly doesn’t have to be a metal barrier, you also get concrete barriers separating carriageways, or an actual barrier of any kind.
Or in the case of the Dartford Crossing, one carriageway is a bridge and the other one is two tunnels.
Indeed, and separated by water.
You know someone is going to come on and say that’s a motorway and not a dual carriageway don’t you? They’ll be wrong but they’ll still say it. 
Coffeeholic:
waddy640:
Coffeeholic:
villa:
if the central reservation is a grass bank with 2 lanes in both directions and the road has speed limits for 50 or 60 mph
the speed limit is 40 mph (at the moment) for hgvsThe number of lanes is irrelevant, the clue is in the name -dual carriageway - which refers to the number of carriageways not the number of lanes. A dual carriageway can have 1 lane in each direction and a single carriageway could have 2, 3, 4 or more. Two lanes would be a dual lane road not necessarily a dual carriageway.
villa:
it only becomes a dual carriageway when there is a metal barrier dividing the 4 lanes ,not a grass bankNonsense, it just has to have physical separation between the carriageways which could be a strip of grass or gravel, just needs to be something more than painted lines. It certainly doesn’t have to be a metal barrier, you also get concrete barriers separating carriageways, or an actual barrier of any kind.
Or in the case of the Dartford Crossing, one carriageway is a bridge and the other one is two tunnels.
Indeed, and separated by water.
You know someone is going to come on and say that’s a motorway and not a dual carriageway don’t you?
That’s what I was waiting for but as we all know it is the A282.