The United States has a vast network of highways (also called routes). Generally, odd-numbered highways run north to south and even-numbered highways run east to west. Typical highway speed limits range from 70 mph to 55 mph (112 km to 88 km). Most often highway travel is free, but some sections of highways charge a toll.
'; document.getElementById("map-highways").style.visibility = 'visible'; } if (map_selected == "timezones") { var mapId = document.getElementById("map_section"); mapId.innerHTML = 'There are six time zones in the United States with a total time difference of five hours. They collectively span east from the coastal beaches of Florida and Maine to the Pacific Ocean shores of Alaska and Hawaii located 6,000 miles (9,500 km) to the west. Four of the time zones cover the 48 contiguous States and the total time difference is three hours. The state of Arizona changes times zones during the year on Day Light Savings.
Summer
Covering 3.8 million square miles (9.83 million square km), the United States is comprised of 50 states and a federal district (Washington, DC). Alaska is northwest of the 48 contiguous states and separated from the US mainland by Canada. Hawaii is a small cluster of volcanic islands located 2,000 miles west of North America in the Pacific Ocean.
| Alabama - AL Alaska - AK Arizona - AZ Arkansas - AR California - CA Colorado - CO Connecticut - CT Delaware - DE Florida - FL Georgia - GA Hawaii - HI Idaho - ID Illinois - IL Indiana - IN Iowa - IA Kansas - KA Kentucky - KY | Louisiana - LA Maine - ME Maryland - MD Massachusetts - MA Michigan - MI Minnesota - MN Mississippi - MS Missouri - MO Montana - MT Nebraska - NE Nevada - NV New Hampshire - NH New Jersey - NJ New Mexico - NM New York - NY North Carolina - NC North Dakota - ND | Ohio - OH Oklahoma - OK Oregon - OR Pennsylvania - PA Rhode Island - RI South Carolina - SC South Dakota - SD Tennessee - TN Texas - TX Utah - UT Vermont - VT Virginia - VA Washington - WA West Virginia - WV Wisconsin - WI Wyoming - WY |
There are nearly 400 national parks in the United States. These protected areas are administered by the National Park Service and range from historic places to monuments to grand expanses of wilderness and nature\'s wonders. Detailed park maps are provided at national park entrances.
There are nearly 20,000 incorporated cities in the United States, ranging from huge metropolises like New York City to small rural communities with populations less than 1,000 people. The travel map below shows a selection of major cities scattered across the United States. To find travel distance and travel time between two cities, use the calculator below the map. Detailed local and state driving maps can be purchased at convenience stores and many tourist offices and convention and visitors bureaus.