Common sense rules about leaving valuables out-of-sight while your vehicle is unattended will help provide for a happier trip. Violent crime is extremely rare, but sometimes occurs in and around the city's many taverns. Keep in mind that the posted speed limits are strictly enforced, especially on the city's viaducts on Belknap and N. 21st streets. Winter driving can be hazardous at times due to snowstorms, and strong northeasterly winds are common in the spring months, which can make travelling the bridges to Duluth an adventure. Superior has removed crossing alerts at many of its railroad crossings in town and there are 'many' of them!, so use caution.