I accept the need for roadworks, but doing them all at the same time is just nasty. And the western bypass ones are frankly ludicrous in the way the lanes have been laid out!
Whats more annoying is that they have coned off miles and miles, yet little or no work is being done due to the weather/short days. So why do them now!
They've got the money for the work now. Do you seriously believe that doing it all at same time is actually a plan to deliberately make life difficult. Neither can they constantly move the cones and redo the temporary lane markings every time the gangs move a mile or three around the worksite. It would be a total waste of money and manpower.
Even the really long sections like that in place M1 J16-19 move reasonably well at the 50 limit (although Sunday/Bank Holiday drivers struggle to maintain it). It only snarls up when there's a breakdown.
AIUI there are two types of capacity management. The first, exemplified on the M1 round Nottingham and first tried on the M42 is Managed Motorway. This uses lane by lane control of speed limits and hard shoulder running controlled via the gantries. The current iteration is Smart Motorway, a 'lite' version with hard shoulder permanently removed and speed and other control messages displayed on simplified signs. There are refuges for breakdowns every mile or so - I think the delineation is actually in km.
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