În multe oraşe, bicicliştii au norocul de a avea propriile piste pe unde pot merge, dar încă nu dispun de propriile semafoare, fiind forţaţi astfel să aştepte ca o maşină să le permită trecerea sau să apese butonul de trecere amplasat pe semafoarele pentru pietoni. Acum, un senzor bazat pe microunde poate ajuta circulaţia prin determinarea prezenţei bicicletelor.
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