[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute tailbacks.
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute
tailbacks.
Is this your new traffic reporting service?
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 JanThe left hand tunnel which is 15' 9" clearance.
2026, Tweed <usenet.tweed@gmail.com> remarked:
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute
tailbacks.
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 Jan >>2026, Tweed <usenet.tweed@gmail.com> remarked:The left hand tunnel which is 15' 9" clearance.
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV, >ventilation and fire suppressant systems, was "essential to the safe >operation of the tunnel".". >[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight
vehicles before they get too close to the tunnels. >https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe >ty-system-unveiled
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
In message <82rank55rl0469b9d3cg5vg2ubvjveavth@4ax.com>, at 01:17:53 on
Sun, 25 Jan 2026, Charles Ellson <charlesellson@btinternet.com>
remarked:
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 Jan >>2026, Tweed <usenet.tweed@gmail.com> remarked:The left hand tunnel which is 15' 9" clearance.
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV, >ventilation and fire suppressant systems, was "essential to the safe >operation of the tunnel".". >[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight >vehicles before they get too close to the tunnels. >https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe >ty-system-unveiled
"The new system will detect whether a vehicle is too tall, wide or long
to enter the tunnels or whether it is carrying hazardous goods that mean
it cannot enter the tunnels or needs to be escorted. These will trigger
a system of traffic signals and barriers that will stop the vehicle."
In message <82rank55rl0469b9d3cg5vg2ubvjveavth@4ax.com>, at 01:17:53 on
Sun, 25 Jan 2026, Charles Ellson <charlesellson@btinternet.com>
remarked:
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 JanThe left hand tunnel which is 15' 9" clearance.
2026, Tweed <usenet.tweed@gmail.com> remarked:
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV,
ventilation and fire suppressant systems, was "essential to the safe
operation of the tunnel".".
[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight
vehicles before they get too close to the tunnels.
https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe
ty-system-unveiled
"The new system will detect whether a vehicle is too tall, wide or long
to enter the tunnels or whether it is carrying hazardous goods that mean
it cannot enter the tunnels or needs to be escorted. These will trigger
a system of traffic signals and barriers that will stop the vehicle."
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
Whenever a vehicle bashes a railway bridge there's a flood of calls for
more precautions to be installed. What we have here is proof that such measures are not infallible.
Roland Perry <roland@perry.uk> wrote:
In message <82rank55rl0469b9d3cg5vg2ubvjveavth@4ax.com>, at 01:17:53 onWarning systems are only as good as their original design and their ongoing >maintenance. It?s usually the latter that gets neglected and I?d not be >surprised if that was the root cause of the Dartford incident.
Sun, 25 Jan 2026, Charles Ellson <charlesellson@btinternet.com>
remarked:
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 Jan >>>> 2026, Tweed <usenet.tweed@gmail.com> remarked:The left hand tunnel which is 15' 9" clearance.
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV,
ventilation and fire suppressant systems, was "essential to the safe
operation of the tunnel".".
[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight
vehicles before they get too close to the tunnels.
https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe >>> ty-system-unveiled
"The new system will detect whether a vehicle is too tall, wide or long
to enter the tunnels or whether it is carrying hazardous goods that mean
it cannot enter the tunnels or needs to be escorted. These will trigger
a system of traffic signals and barriers that will stop the vehicle."
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
Whenever a vehicle bashes a railway bridge there's a flood of calls for
more precautions to be installed. What we have here is proof that such
measures are not infallible.
Any warning system is not infallible, see railway accidents where signal >issues are the cause. But it doesn?t mean we do away with signals or shout >?see I told you, they don?t work?.
What you don?t see is how many bridge strikes warning systems and signs
*do* prevent.
In message <10l4q3b$1i67n$1@dont-email.me>, at 10:08:43 on Sun, 25 Jan
2026, Tweed <usenet.tweed@gmail.com> remarked:
Roland Perry <roland@perry.uk> wrote:
In message <82rank55rl0469b9d3cg5vg2ubvjveavth@4ax.com>, at 01:17:53 onWarning systems are only as good as their original design and their ongoing >> maintenance. It?s usually the latter that gets neglected and I?d not be
Sun, 25 Jan 2026, Charles Ellson <charlesellson@btinternet.com>
remarked:
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 Jan >>>>> 2026, Tweed <usenet.tweed@gmail.com> remarked:The left hand tunnel which is 15' 9" clearance.
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>>>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV,
ventilation and fire suppressant systems, was "essential to the safe
operation of the tunnel".".
[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight
vehicles before they get too close to the tunnels.
https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe >>>> ty-system-unveiled
"The new system will detect whether a vehicle is too tall, wide or long
to enter the tunnels or whether it is carrying hazardous goods that mean >>> it cannot enter the tunnels or needs to be escorted. These will trigger
a system of traffic signals and barriers that will stop the vehicle."
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
Whenever a vehicle bashes a railway bridge there's a flood of calls for
more precautions to be installed. What we have here is proof that such
measures are not infallible.
surprised if that was the root cause of the Dartford incident.
Any warning system is not infallible, see railway accidents where signal
issues are the cause. But it doesn?t mean we do away with signals or shout >> ?see I told you, they don?t work?.
What you don?t see is how many bridge strikes warning systems and signs
*do* prevent.
I agree, but the public is not very good at "big numbers", so if an approximately monthly wedgie at Ely is the 1-in-50,000 overheight
vehicles which didn't notice the signage and the optical beam
measurement device, they scream the place down like it was the end
of the World.
Roland Perry <roland@perry.uk> wrote:
In message <10l4q3b$1i67n$1@dont-email.me>, at 10:08:43 on Sun, 25 Jan
2026, Tweed <usenet.tweed@gmail.com> remarked:
Roland Perry <roland@perry.uk> wrote:
In message <82rank55rl0469b9d3cg5vg2ubvjveavth@4ax.com>, at 01:17:53 on >>>> Sun, 25 Jan 2026, Charles Ellson <charlesellson@btinternet.com>Warning systems are only as good as their original design and their ongoing >>> maintenance. It?s usually the latter that gets neglected and I?d not be
remarked:
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 Jan >>>>>> 2026, Tweed <usenet.tweed@gmail.com> remarked:The left hand tunnel which is 15' 9" clearance.
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>>>>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV, >>>>> ventilation and fire suppressant systems, was "essential to the safe >>>>> operation of the tunnel".".
[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight >>>>> vehicles before they get too close to the tunnels.
https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe >>>>> ty-system-unveiled
"The new system will detect whether a vehicle is too tall, wide or long >>>> to enter the tunnels or whether it is carrying hazardous goods that mean >>>> it cannot enter the tunnels or needs to be escorted. These will trigger >>>> a system of traffic signals and barriers that will stop the vehicle."
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
Whenever a vehicle bashes a railway bridge there's a flood of calls for >>>> more precautions to be installed. What we have here is proof that such >>>> measures are not infallible.
surprised if that was the root cause of the Dartford incident.
Any warning system is not infallible, see railway accidents where signal >>> issues are the cause. But it doesn?t mean we do away with signals or shout >>> ?see I told you, they don?t work?.
What you don?t see is how many bridge strikes warning systems and signs
*do* prevent.
I agree, but the public is not very good at "big numbers", so if an
approximately monthly wedgie at Ely is the 1-in-50,000 overheight
vehicles which didn't notice the signage and the optical beam
measurement device, they scream the place down like it was the end
of the World.
They or you?
In message <82rank55rl0469b9d3cg5vg2ubvjveavth@4ax.com>, at 01:17:53 on
Sun, 25 Jan 2026, Charles Ellson <charlesellson@btinternet.com> remarked:
On Sat, 24 Jan 2026 19:58:03 +0000, Roland Perry <roland@perry.uk>
wrote:
In message <10l35cj$1246f$1@dont-email.me>, at 19:09:07 on Sat, 24 JanThe left hand tunnel which is 15' 9" clearance.
2026, Tweed <usenet.tweed@gmail.com> remarked:
Roland Perry <roland@perry.uk> wrote:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>>>> tailbacks.
"The roads authority said the damaged equipment, which includes CCTV,
ventilation and fire suppressant systems, was "essential to the safe
operation of the tunnel".".
[https://www.bbc.co.uk/news/articles/cr57lr9j3emo]
Apparently there are supposed to be detectors to identify overheight
vehicles before they get too close to the tunnels.
https://www.gov.uk/government/news/details-of-new-dartford-crossing-safe
ty-system-unveiled
"The new system will detect whether a vehicle is too tall, wide or long
to enter the tunnels or whether it is carrying hazardous goods that mean
it cannot enter the tunnels or needs to be escorted. These will trigger
a system of traffic signals and barriers that will stop the vehicle."
Is this your new traffic reporting service?
It's my "whatever you try to do to stop bashes, they still keep
happening" reporting service.
Whenever a vehicle bashes a railway bridge there's a flood of calls for
more precautions to be installed. What we have here is proof that such measures are not infallible.
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >tailbacks.
In message <hapjifE7$QdpFAiV@perry.uk>, at 18:31:23 on Sat, 24 Jan
2026, Roland Perry <roland@perry.uk> remarked:
[Friday]
One of the twin bores closed for at least a day, and 10-mile/90-minute >>tailbacks.
It's now been reported that the culprit was a lorry with a digger on
the back, which ran a red light and crashed through a barrier, before >striking the tunnel.
One common failure mode is for a digger's arms to rise in transit, and >eventually hit an overhead object.
In either case, a sign in the cab saying how tall the low-loader is,
doesn't help. (I have photos of a pickup truck with portaloos on the
back which crashed into the Ely underpass.)
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