Quizzes & Puzzles1 min ago
How Things Have Changed Over My Lifetime
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As a young child, I distinctly recall two separate occasions when during the summer months the road on which I lived being resurfaced. At a young age I was fascinated by the large vehicles in use. After stripping off the top of the old road surface, the process involved hot black tar being poured on the road out of the back of a lorry and almost immediately the small stones making up the top surface being spread over the tar.
The road in which I lived was around 300 metres in length and the whole process was completed in one day.
Fast forward more than 50 years; on my drive home from work last week, one of the roads I travel had workmen resurfacing the road, with traffic flow control via traffic lights. Today, the workmen are still there resurfacing the road more than a week on – and the stretch of road being resurfaced is probably no more than 50 metres; there’s progress for you.
The road in which I lived was around 300 metres in length and the whole process was completed in one day.
Fast forward more than 50 years; on my drive home from work last week, one of the roads I travel had workmen resurfacing the road, with traffic flow control via traffic lights. Today, the workmen are still there resurfacing the road more than a week on – and the stretch of road being resurfaced is probably no more than 50 metres; there’s progress for you.
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Your first description is "tar spraying". It's a way of revitalising a road surface to cover up repairs etc. It's a bit like re-painting a door - after a few times you need to strip the paint right back to the wood and start again. The same is true with the road - when it's really worn you have to remove all the old tar and gravel and lay a completely new surface (a biggrf job which takes a lot longer).
Two points:
1. Road surfaces are a lot more complex than they were. When I was young they would drop a centimetre of tarmac and cover the cobbles beneath. If you look now, the surface is layered and about 10cm thick.
2. Also there is a lot more traffic to work around. They tend to close one side of the road, and traffic light around the new work.
3. We seem to have a lot more road markings today as well. That in itself is a days work.
1. Road surfaces are a lot more complex than they were. When I was young they would drop a centimetre of tarmac and cover the cobbles beneath. If you look now, the surface is layered and about 10cm thick.
2. Also there is a lot more traffic to work around. They tend to close one side of the road, and traffic light around the new work.
3. We seem to have a lot more road markings today as well. That in itself is a days work.
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