divert people away from areas with a lot of traffic. the police police d there says there have been a few arrests for but. at sunset the cones were installed and police began the diversion of cars. a few miles down the street, alex weaver put up cautionnes to and cones toord job cordon off the parking lot. the trying to keep the cars out. he is hoping for a more subdued celebration, and the police are out in force. we have a point unit here, the horses. motorcycle officer air support, bicycle officers. so a number of units. i. reporter: mexico kwan flags flying and classic cars were the most obvious expression. a 1970 cadillac deville convertible. how often do you get to drive it? maybe four or five times a year, on special occasion like cinco de mayo. reporter: the police installed a series of traffic diversions to keep the cruisers from clogging up streets, and an effort to keep crowds from getting unruly. again, there has been a few arrests made this ev