Brussels
1.37 mile street circuit. However, another street circuit was used in the 1960s,
and this is shown below.
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This track was used between 1960 and 1962 for non-championship F1 events.
The lap distance in 1960 was 2.7 miles, but in 1961 they replaced the sharp
corner at the top right of the map with a route around the roundabout instead,
lengthening the lap distance to 2.83 miles.
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3.7 km track around the centre of Brussels, used in 1946.
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Used for the 2nd Grand Prix de la Cambre in 1946. Note that the above
circuit shares part of the same road as the previous variant - not sure if
both were used, or only one was.