The calm will now be shattered, they fear, by the construction of a ring road intended to draw traffic away from the chaotic city and speed goods to and from Santos, Brazil's biggest port.
To do this, Britain's bank managers are attempting to draw a line under the scandals by reviewing strategies, ring-fencing their operations and disposing or unwinding of assets deemed as risky and loss-making.
Treasury mandarins are now seeking to draw a distinction between charges for a specific service (the revenues of which can be ring-fenced), and general tax revenues that must remain sacrosanct.