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I can remember when they used to mix crushed glass with asphalt that had to be 50 years ago

The reason why concrete works for bridges is it massively strong concrete is a glue they put lots of steel in the bridges but if you will look closely, every section has a gap. This is so the bridge could flex and move so it does not crack.

And Without Trucks Moving Food, Building Materials, Gasoline, Diesel Fuel, Everything that people use, America Dies

The roads in my neighoodover are 60 yrs old . We requested the city to fix are streets
They came in and filled the cracks with hot tar.  They said they would be back to resurface them .  Its been 8 yrs and no progress this was done in 2018 its now 2026 . We have called , was told that our neighborhood is not on the list yet.

Why are they continually showing scenes of freeways in California and various places in the country?

Not showing footage of this repair?

Back in my construction days I have helped build several bridges in the southeast, I am very impressed that they got that part up and going in 12 days on its own.

Im watching this from Jacksonville Beach Florida USA 🇺🇸

The tone of this documentary seems to indite the process of building our highway system.  It was not bad design or shoddy building.  It was using the processes that were available at the time.  Perhaps not everything was state of the art but most of it was.  Any replacement of those methods and processes are because of good American development. The replacement of those roads will for the most part be too.

What a fantastic detailed amazing video of road building. Fantastic information, great narrative !!
👍💗🇺🇸😉

I  LIKE  IKE...  I'M A RETIRED TRUCKER 3,000,000.+ mi.   THANK YOU  PRESIDENT AND GENERAL DWIGHT D. EISENHOWER.

An 88 years old and did well with my investments retired obviously I’m about 20 years behind the investment curve. If I had the money now I would certainly invest in this system.

I bet on the "new builders" because it would prove - again - how seriously the 🇺🇲 scientific minds can get to better solutions than the other scientists had developed in the past!!
THANK YOU for the detailed info... although, living in SouthAmerica I think this innovation might get here in decades! 😥🇺🇾

Great engineering stuff. As a retired architect, I'm still waiting for a similar system to hit the residential and commercial building industries. It is past due. With all the new construction materials coming out let's hope there are many creative people to take these materials and integrate them to form new, improved, and vastly cheaper, environmentally supportive structures. I hope I'm still around to see it happen because the time has come to get sustainability on the front burner of all systems of building and construction. We must stop our destruction of planet earth NOW!!!!!

The problem are the heavy trucks that destroy the roads by driving too fast.    Reduce the weight or reduce the speed and the problem goes away mostly.  In Europe semi’s can only go about 59 mph and must stay in the right lane - they also cannot use the roads on Sunday.   But our trucking lobby is too strong in this country and thus we all pay for it forever.    Additional issues are that a lot of states use salt on the roads in the winter which destroy the roads.  Lastly, politicians tend to avoid spending money on road maintenance.  

We need to ask ourselves why we should support the trucking industry with interstate road systems?  We don’t do this for the rail industry and in fact they pay property taxes on the ground their tracks are on.  Oh, railroads can still move freight cheaper than trucks.    

The problems is the love affair we have with the trucking industry which by the way cause most of the deaths from accidents on highways.   Makes no sense.

Amazing … the Midwest and the rust belt in general has some of the worst roads IMO. As for bridges … the Brent Spence bridge linking Cincinnati with Covington has had more replacement studies than I can count. It’s way overdue to be replaced. The crushed foam glass is mind blowing.

AT ONE TIME THEY USED GLASS INTO THE BLACKTOP,  BUT THEY FOUND TIRES WORE TOO QUICKLY.

These concepts do not take into account winter and rain. Roman roads still stand because their foundation goes down several feet below the frost line. Our roads, as well as these “new” concepts, go down inches.

Many years ago, a gentleman suggested using old tire with asphalt mix, chopping old tires to small chunks and mix with asphalt and road built as such last years without potholes.  That idea probably did not take off.