SMART M/Ways - A Big Fail.

[Deleted member 6183]

Easily done, requires a new bridge and that makes it cost more. And that's the reason we have SMART m/ways, to keep the cost down, even if it's not safe!

There's too many of them to make widening possible hence attempts at smart m'ways, the answer is to reduce journeys.

 

[rf065]

A recent example.................Before and after!

 

[Deleted member 6183]

A recent example.................Before and after!

There are too many of them to make it practical.

 

[flowrider]

...

 

[flowrider]

Sounds incredible doesn't it. But they said it had been checked and really was a true fact!

There's just under172 million acres of land in Texas so whoever checked it better check again!

 

[rf065]

There's just under172 million acres of land in Texas so whoever checked it better check again!

Try to keep up, see post 136

Indeed everyone could fit into Texas with less space: 7.5billion people into 170 million acres = around 40 people per acre. That means each person having a 10 x 10 metre space.

 

[Mancstar]

Close to me the M60 past Trafford Centre in an absolute mare, an extra lane was created by removing width of existing lanes to create the addition of a new lane.
Gets very crammed when busy.

 

[Mancstar]

Go on then, tell me how you would widen that motorway to 3 lanes plus a hard shoulder?

Bypass lane/lanes behind existing bridge piers.

 

[del320]

Go on then, tell me how you would widen that motorway to 3 lanes plus a hard shoulder?

The same way that the road in my photo was widened to accomodate hard shoulders - i.e. from four to six lanes. I'm sure the same "technology" could widen an existing six lanes to eight.

 

[John]

They could get away with digging out more safe zones. One every 500m or something and avoid the bridges i.e. one either side or one side.

Then as before... standardise motorways so they all behave in the same way.

In the Panorama, they talked about not doing the dynamic hard shoulder but only using the hard shoulder when there is a build up of traffic I would have thought would be safer as nothing will be on the "hard shoulder" for quite a lot of the time.

 

[Deleted member 6183]

The same way that the road in my photo was widened to accomodate hard shoulders - i.e. from four to six lanes. I'm sure the same "technology" could widen an existing six lanes to eight.

Can you explain better?
I've no idea what you are on about.

 

[Bobby Dazzler]

A recent example.................Before and after!

Isn’t that a new bridge? That would get pricey if done on any scale.

 

[rf065]

Isn’t that a new bridge? That would get pricey if done on any scale.

Yes, it'a follow on from my post number 140, stating the reason we have SMART m/ways.
But, it proves it can be done and is being done where the money can be found and it's the best or only option.

 

[del320]

Can you explain better?

My shakey black lines represent the original carriageways on the two lane DC. By introducing concrete walls encasing the original bridge piers and narrowing the central reservation with a concrete barrier, sufficient room was made for hard shoulders - or, if you like, two additional lanes.
All the overbridges on that stretch of road were similarly converted.



See?

 

[Flyinspanner]

I see reports tonight that the trial is to be suspended, and a safety review to begin....

 

[flowrider]

Try to keep up, see post 136

Indeed everyone could fit into Texas with less space: 7.5billion people into 170 million acres = around 40 people per acre. That means each person having a 10 x 10 metre space.

I replied to post #119, so in my defence I wasn't aware that the error had already been exposed

 

[SW18]

On they subject of widening roads, there are some examples where hard shoulders disappear for the bridges, so an extra lane is added without bridge replacements. Seems a good compromise to me: costs more to add the full new lane for the hard shoulder, rather than just the refuge areas installed on smart motorways, but still way cheaper than replacing all the bridges. E.g.
Google Maps

 

[Tonygw]

The answer surely has to be flying cars???
Job done...

 

[m80]

The answer surely has to be flying cars???
Job done...

Solar electric of course,
but would that result in multi vehicle pile downs in fog?

 

[Deleted member 6183]

My shakey black lines represent the original carriageways on the two lane DC. By introducing concrete walls encasing the original bridge piers and narrowing the central reservation with a concrete barrier, sufficient room was made for hard shoulders - or, if you like, two additional lanes.
All the overbridges on that stretch of road were similarly converted.

View attachment 91899

See?

And you called me obtuse?