When driving a car rental in Chetumal, you must not exceed 40 km/h (25 mph) on roads that serve commercial and residential parts of the streets and those that pass school zones and construction sites. You must not exceed 80 km/h (50 mph) on open roads connecting the city to other towns and 110 km/h (68 mph) on a national motorway. Since these speed limits are heavily enforced, adhere to them at all times to avoid all possibility of getting arrested. Search rental cars on KAYAK