It will be featured down the line. It will be one of the easiest to put together, because Washington DC and Fairfax County (and cities) take must of it. Houston was tract by tract. Good thing is I have a population of every single neighbourhood of Houston inside the ring.
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São Paulo - Rodoanel Mário Covas (SP-021)
Lenght: 177 km
--- 2022 ------- 2010 ------- 2000 --------- Growth ------------ Area -------- Density
16,907,787 -- 16,250,838 -- 14,419,370 --- +4.0% -- +12.7% --- 1,687 Km² -- 10,022 inh./Km²
The northern section is still under construction and after several delays and it's due to be delivered in 2027. Western section was finished in 2002, southern in 2010 and eastern in 2014.
When completed it will take away tens of thousands of cars from
Marginal Tietê, which is reputed to be the busiest highway in the world. São Paulo is Brazil's only national hub, it's the country's crossroads, linking Brazil's South, Southeast and Northeast regions where 84% of Brazilian population live, so thousands and thousands of trucks cross it. As such it's arguably be one of the most important infrastructure project in the entire world. Important to note that are very few accesses to prevent it to be used by local traffic.
About the area surrounded by it, it encircles 12 municipalities that are part of metro area. São Paulo's Rodoanel is lightest shorter than London's M25, but almost 17 million people live inside it, leaving out some 5 million people that live in São Paulo metro area.
We have a glimpse of how dense São Paulo is over a very large area: 26,000 people/sqm. For comparison, New York (City, Nassau and Hudson) gets "only" 10,924,818 people within 1,635 Km² for a 17,300 people/sqm density.
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