ITO World provides an interactive map of speed limits for a growing but incomplete list of specific roads. Though no truly comprehensive alternative exists as of 2015, other resources are available to help keep motorists... More » Government & Politics Law

To find speed limits for different states, check the chart located on the Insurance Institute for Highway Safety website, at After navigating to the website, find the State Laws link on the left-hand side. The ... More » Government & Politics Law Driving Laws

As of 2015, street speed limits are set by state and local governments by statute. Furthermore, every state has a basic speed law, requiring drivers to maintain a reasonable and prudent speed for the conditions, accordin... More » Government & Politics Law Driving Laws

A map that includes cities, states and roads is called a road map. The details of a road map can vary widely and may only show major highways on larger maps. Cities and states, but not roads, are also shown in political ... More » Geography Maps & Cartography

According to the Governor’s Highway Safety Association, each individual state is responsible for setting its own speed limits. This means the speed limit in residential areas differs from state to state. For instance, in... More »

Contest a speeding ticket by finding out what type of state law governs speed limits and what measurement method was used by the officer who issued the ticket, says Nolo. Present a defense that proves a ticket was incorr... More » Government & Politics Law Driving Laws

One use of calcium chloride is as a road salt, which melts ice and snow on roads to prevent potentially fatal accidents. Calcium chloride is also used as a source of extra calcium in food as the body processes the compou... More »