Why is the M25 so bumpy?

The issue at hand is a simple one. Between junctions 10 and 11 on the M25, the surface of the motorway consists of concrete blocks. The concrete surface itself is noisy, and there are gaps between each of the concrete blocks that constitute the road.



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It actually is concrete. Specifically it's slabs of concrete with expansion gaps between the slabs because concrete doesn't bend. There are apparently techniques to smooth it out a bit, but we don't do that here.

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The Dartford Crossing is the only fixed vehicle crossing of the Thames east of Greater London. It is also the busiest crossing in the United Kingdom, and consequently puts pressure on M25 traffic. Users of the crossing do not pay a toll, but rather a congestion charge.

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The concrete slabs with which they were made have proved tougher and longer lasting than asphalt, and over the years have needed very little maintenance.

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Magic Roundabout, Swindon The Magic Roundabout is often listed as one of the most intimidating junctions in the UK. It's best shown in map form so you can see the complexity of its one-way systems feeding five roundabouts.

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In particular, the best time to travel on the M25 clockwise if before 10am or after 7pm, especially tomorrow, as the busiest period will be in between then, the RAC estimates.

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Junction 23 on the M25 in Hertfordshire is the single biggest gyratory on the whole of the National Highways network. At about 1.2km in circumference, the junction sees some of the highest traffic flows on the M25.

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Of the 1,987 people killed or seriously injured on the SRN in 2018, 245 occurred on the M25 alone. There were also 371 in the south-east of England, 342 in the Midlands, 292 in the east, 287 in Yorkshire and the north-east, 226 in the north-west and 224 in the south-west.

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Hardknott Pass is considered to be one of the most challenging in the UK. It has earned this consideration due to its series of hairpin bends and the high risk of ice on the road. It is a steep, twisting, single-track road that cuts right through the heart of the Lake District between the Duddon Valley and Eskdale.

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Dangerous American roads FAQ Regarding the most fatalities per 100 miles, Interstate 95 (I-95) is considered the most dangerous road in America.

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Firstly, I had to plan the route. All I knew was that it would make sense to start and finish at the Dartford Crossing, although at the time I didn't realise that pedestrians couldn't walk across the bridge. The M25 motorway circles London but because it is a motorway, you can't actually walk on the M25 itself.

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