This is a low-grade poliziottesco, the second I\'ve watched from former cinematographer Massi – and a much inferior product to the character-driven EMERGENCY SQUAD (1974). In fact, as the title itself suggests, the film is virtually a non-stop succession of car chases – filled with spectacular (but often unbelievable) stuntwork staged by the ubiquitous Remy Julienne. Its other major flaw is the miscasting of lead Maurizio Merli as a speed-crazy rookie cop(!), a role better suited to Giuliano Gemma (who had actually played a racing-car driver in Luciano Ercoli\'s THE MAGNIFICENT DARE DEVIL [1973]) or even Luc Merenda. Amusingly, to give us the impression that the hero is brash and inexperienced, Merli simply had his trademark moustache shaved off!; while his essential woodenness was usually offset by a genuinely authoritative/tough presence and street-smart attitude, here, he comes across as not merely glib but dumb as well! For the record, according to the "Stracult" guide, HIGHWAY RAC ...