Maps

Auto Pilot - FreeTrip.com
Type in your start-point and destination and Auto Pilot will plot your itinerary. I experimented with several of my normal trips just to see if it came up with the best route. It did. Optional display for lodging, gas prices, road conditions, emergency contacts, driving time and more. Choose what types of roads you wish to drive on, too.

Maporama
This site offers maps and itineraries for Europe, the US, and Canada, but smaller towns are not included. You can get a weather report, too.

Mapblast
Enter basic information to pull up maps for addresses in the US and other locations worldwide.

Mapquest.com
MapQuest.com provides free maps, driving directions, and live traffic reports.

National Traffic and Road Closure Information
Find out if you can expect construction delays along your planned route.

Hazard Maps (1)

Health/Allergy Maps (1)

Topo/Aerial Maps (5)

Weather Maps (2)

Rand McNally
Get directions, look at maps, find out where road construction is taking place and more.

U.S. Census Bureau - Tiger Mapping
Generate a detailed, customizable map of any location in the United States. Scroll to the bottom of the page to input the location you are searching for by naming a city, town, or exact coordinates.