A sign outside of BWI airport advises travelers that have been to New York, New Jersey or Connecticut must quarantine for 14 days. Jonathan Newton/The Washington Post via Getty Images

As the coronavirus continues to spread, some US states have domestic travel restrictions in place. 

States like New York are requiring those traveling from high-risk areas to fill out health forms and self-quarantine for 14 days once they arrive.

Other states, like California and Colorado, have not imposed statewide travel restrictions.

While nonessential travel is no longer discouraged, the Centers for Disease Control and Prevention warns that “travel increases your chance of getting and spreading COVID-19.”

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Alabama has no statewide travel restrictions in place.

Those entering Alaska must be tested for the coronavirus within three days of their departure, or quarantine for five days upon arrival. On top of that, they have to submit a self-isolation plan and a travel declaration. 

There are no statewide travel restrictions in Arizona.

Arkansas has no statewide travel restrictions in place.

California has no statewide travel restrictions in place.

There are no statewide travel restrictions in Colorado.

People who are traveling into Connecticut after spending at least 24 hours in a high-risk area have to fill out a health form and self-quarantine for two weeks or until they can provide proof of a negative test from three days before their arrival or later. These areas currently include Alabama, Alaska, Arizona, Arkansas, Colorado, Delaware, Florida, Georgia, Guam, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Wisconsin, and Wyoming.

There are no statewide travel restrictions in Delaware.

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People who have been in a high-risk area in the last two weeks are required to self-quarantine for 14 days upon arriving in Washington, DC, including Alaska, Arkansas, Alabama, Arizona, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, West Virginia, Wisconsin, and Wyoming.

Florida has no statewide travel restrictions in place.

There are no statewide travel restrictions in Georgia.

Hawaii has a mandatory travel declaration form, temperature checks, and a 14-day quarantine period for those entering the state. Hawaii started a pre-travel testing program on October 16 that allows people who have tested negative within 72 hours of their arrival to skip or shorten their quarantine period, per the Associated Press.

A traveler checks in with airport authorities at the Daniel K. Inouye International Airport in Honolulu, Hawaii. REUTERS/Marco Garcia

Idaho has no statewide regulations in place, but Ada County recommends self-quarantining upon arrival when traveling from an area with a higher infection rate.

While Illinois has no statewide restrictions in place, the City of Chicago has a travel order in place requiring those coming from certain states to self-quarantine for 14 days. The list is updated every Tuesday for the following Friday, and it currently includes Alabama, Alaska, Arkansas, Colorado, Delaware, Idaho, Indiana, Iowa, Kansas, Kentucky, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Ohio, Oklahoma, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, West Virginia, Wisconsin, and Wyoming.

A sign alerts residents to a mobile COVID-19 testing site set up on a vacant lot in Chicago, Illinois. Scott Olson/Getty Images

There are no statewide travel restrictions in Indiana.

Iowa has no statewide travel restrictions.

Kansas has restrictions requiring certain travelers to self-quarantine for 14 days upon arrival, including those who were in North Dakota on or since October 21, those who have been on a cruise since March, and those who attended events out-of-state with 500 or more people without masks or social distancing.

Those entering Kentucky from Florida and areas with an infection rate of 15% or higher are asked to self-quarantine for two weeks. This currently includes South Dakota, Kansas, Nevada, Nebraska, Utah, Idaho, Florida, Wisconsin, Iowa, Wyoming, and Alabama.

Louisiana has no statewide travel restrictions.

Aside from residents of Connecticut, Massachusetts, New Hampshire, New Jersey, New York, and Vermont, those entering Maine must self-quarantine for two weeks or sign a form saying they tested negative for the virus in the last 72 hours upon arrival. Residents returning to Maine must do the same unless they are traveling from Connecticut, Massachusetts, New Hampshire, New Jersey, New York, or Vermont.

There are no statewide travel restrictions in Maryland.

Those entering Massachusetts have to fill out a travel form and self-quarantine for 14 days or test negative for the coronavirus within 72 hours of arrival unless they’re commuters or coming from a low-risk area. Low-risk areas include California, Connecticut, New York, New Hampshire, Maine, Vermont, Washington, DC, Hawaii, New Jersey, and Washington state.

Travelers at Logan Airport walk past a poster board advertising the new Massachusetts Travel Order. Jessica Rinaldi/The Boston Globe via Getty Images

Michigan does not have statewide travel restrictions in place.

There are no statewide travel restrictions in Minnesota.

Mississippi does not have statewide travel restrictions in place.

There are no statewide travel restrictions in Missouri.

Montana has no statewide travel restrictions in place.

Nebraska does not have statewide travel restrictions in place.

There are no statewide travel restrictions in Nevada.

New Hampshire requests that those who are visiting from outside of New England and are planning on staying for an “extended period of time” self-quarantine for two weeks upon arrival.

New Jersey requests that visitors from high-risk states and territories that are staying longer than a day self-quarantine for 14 days, even if they tested negative for the virus. The state also has an online survey for travelers to fill out.

High-risk states currently include Alabama, Alaska, Arizona, Arkansas, Colorado, Florida, Georgia, Guam, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Wisconsin, and Wyoming.

Booths for patients are seen at the new COVID-19 testing facility that is now available for passengers at Newark Liberty International Airport Terminal B in Newark, New Jersey. Eduardo Munoz Alvarez/Getty Images

New Mexico requires those entering the state to self-quarantine for two weeks if they’re coming from a state with a 5% test positivity rate or higher, or more than 80 out of every 100,000 residents test positive, per The Durango Herald.

Those entering New York from a high-risk area must fill out a traveler health form before leaving the airport and self-quarantine for 14 days.

States and territories considered high-risk currently include Alabama, Alaska, Arizona, Arkansas, Colorado, Delaware, Florida, Georgia, Guam, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, New Mexico, North Carolina, Nevada, North Dakota, Ohio, Oklahoma, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Wisconsin, and Wyoming.

Additionally, non-essential travel between Pennsylvania, New Jersey, and Connecticut is discouraged. 

A sign displaying a COVID-19 travel advisory is placed in New York City. Noam Galai/Getty Images

There are no statewide travel restrictions in North Carolina.

North Dakota has no statewide travel restrictions in place.

People traveling to Ohio from states with an infection rate of 15% or higher are advised to self-quarantine for 14 days. That list currently includes South Dakota, Idaho, Iowa, Kansas, Alabama, Utah, Nebraska

Oklahoma requests that those traveling from high-risk areas wear face masks in public and limit indoor gatherings for 10 to 14 days.

Oregon does not have statewide travel restrictions.

Pennsylvania recommends self-quarantining for 14 days upon arrival to travelers coming from the following states: Alabama, Arkansas, Florida, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, North Carolina, North Dakota, Oklahoma, South Carolina, South Dakota, Tennessee,  Utah, Wisconsin, and Wyoming.

Travelers make their way through TSA inspection as Pennsylvania remains under restrictions for work and travel at Pittsburgh International Airport. Jeff Swensen/Getty Images

Rhode Island is requiring travelers coming from states with an infection rate of 5% or higher to self-quarantine for 14 days upon arriving. Those who have tested negative for the virus within 72 hours of their trip to Rhode Island are exempt from quarantine. Similarly, those who test negative amid their quarantine can stop once they receive results.

The list of impacted states currently includes Alabama, Alaska, Arizona, Arkansas, Colorado, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Wisconsin, and Wyoming.

South Carolina requests that recent travelers stay home as much as possible and that those who may have been exposed self-quarantine for 14 days upon arrival to the state.

South Dakota has no statewide travel restrictions, but some routes through tribal lands are closed.

Tennessee has no statewide travel restrictions.

There are no statewide travel restrictions in Texas.

A man walks through an empty terminal at the George Bush Intercontinental in Houston, Texas. ANDREW CABALLERO-REYNOLDS/AFP via Getty Images

Utah has no statewide travel restrictions. 

People who are entering Vermont from any county with more than 400 positive tests per million have to quarantine for 14 days, or seven days if they test negative during that time. 

There are no statewide travel restrictions in Virginia, but the state recommends staying home for 14 days to those who have been in high-risk situations for infection, like large gatherings or cruises.

Washington does not have statewide travel restrictions.

There are no statewide travel restrictions in West Virginia.

Wisconsin does not have statewide travel restrictions, but the state recommends stopping all travel, both in and out of state.

Wyoming does not have statewide travel restrictions.

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