Pictures of the recent accident at the Sao Paulo Roadring when a viaduct under construction collapsed on the road below:
A picture of the slabs that collapsed a few days before the acciden
More recent pictures of the Roadring under construction. The South Section shown below will be opened by March 2010 and thus 50% of the Roadring will be completed, and this 50% will be the most important part.
It will link many roads to the Imigrantes Anchieta System which links Sao Paulo City to the port of Santos on the coast, already abundantly shown on this thread. Today trucks coming from the port have to go through the city itself.
Another interesting bridge in Brazil (I do not recall it having been posted on this thread) is the Octavio Frias Cable Stayed Bridge in the south side of São Paulo city:
The São Paulo Ringroad ("Rodoanel") will vary from 5X2 to 3X2. If you liked the South leg, wait until the North is built (2014). Massive cuts and tunnels through an up to 1.500m mountain ridge. Only reason it has not started yet is NINMBYsm, as always.
It's on a financial feasibility study prepared in 2007 when parts of this expressway were blended into a lot including SP-070 and other roads. It was prepared for CCR, who didn't win the contract anyway. As it is confidential, I'm afraid I cannot handle it to you.
I'll look for the original traffic count spreadsheet of Sao Paulo's arterial avenues and expressways, then I'll put the link here.
Greatest source of road quality variance would be wether they are mantained py public authorities or by private operators charging tolls. Minas Gerais state, for instance, had a terrible public-maintained road network, but not they've catched up.
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