But Buiter 's study of the professional journal Verkeerstechniek suggested that Dutch traffic engineers themselves rediscovered the needs of cyclists in traffic planning in the 1960s .
New bicycle lanes and other infrastructure followed , promoting still more cycling .
Buiter 's study of the professional journal Verkeerstechniek suggested that Dutch traffic engineers themselves rediscovered the needs of cyclists in traffic planning in the 1960s .
New bicycle lanes and other infrastructure followed , promoting still more cycling .