The Voter Hotline map shows where voting problems have been reported.
Find your Election Day voting location using Google Maps. You'll only need your home address and ZIP code.
Voter identification in the U.S.
Depending on where they live, voters might have to show identification when they go to the polls on Election Day. This map shows how voting laws differ from state to state.
Virtual voting machines
The Help America Vote Act was meant to create national voting standards, but individual states still decide how citizens vote. This interactive shows the three most common methods.
Early voting statistics
In 31 states, voters can cast ballots in person before Election Day. Roll over this map to see the latest voting statistics.
Election Day's notable ballot measures
There will be ballot measures in 33 states this Election Day. Many of them deal with social issues such as abortion and same-sex marriage.
Data and projections
CNN Electoral Map Calculator: You Call The Race
Click on a state, choose a winner and watch the electoral votes add up. The map starts with CNN's estimate, but you can choose a different starting point.
Check out the latest polls and see where candidates have spent their time and money.
Senate race: Will the Democrats get the "magic 60"?
Some analysts say that with an economy in crisis and an unpopular president, Democrats have an opportunity to be in control of 60 Senate seats after the November election, essentially making them immune to filibusters. These are the races to watch.
House race: The districts most likely to switch parties
This map highlights the House districts that are most likely to switch parties after the election, according to The Rothenberg Political Report, a nonpartisan political newsletter.
Electoral College: Tie scenarios
Because the Electoral College has an even number of votes -- 538 -- there are many ways an election could result in a 269-269 tie. Here are five possible scenarios.
Electoral College: A look back
It takes 270 Electoral College votes to win the White House. Here is how the past four elections have turned out.
CNN.com talked to voters in five battleground states -- Colorado, Florida, Missouri, North Carolina and Ohio -- to find out how the economy would influence their choice for president.
Audio slideshow: Small business owners
Audio slideshow: Students
Audio slideshow: Retirees
Audio slideshow: The unemployed