Since winning the title of “American Idol” in 2005, Carrie Underwood has built a reputation off her chart-topping radio hits, numerous industry award wins,...

Since winning the title of “American Idol” in 2005, Carrie Underwood has built a reputation off her chart-topping radio hits, numerous industry award wins, and rigorous cross-country tours.

With a second Entertainer of the Year Award from the Academy of Country Music under her belt, the country chanteuse is proving that 2010 will be no different. Underwood has added more than 45 dates to the 2010 Play On Tour that kicked off in early March.

The new fall leg of the Play On Tour will pick up September 23 at Rose Garden Arena in Portland, OR, and is scheduled through December 19 at Pengrowth Saddledome in Calgary, AB.

The award-winning singer’s year-end itinerary includes gigs on October 13 at Bridgestone arena in Nashville, TN; October 30 at the Time Warner Cable arena in Charlotte, NC; November 15 at Prudential Center in Newark, NJ; and December 5 at Sioux Falls Arena in Sioux Falls, SD.

The newly expanded calendar also features four more performances north of the border. In addition to the tour’s closing night, Underwood will play for Canadian audiences on November 3 at Air Canada Centre in Toronto, ON; December 16 at General Motors Place in Vancouver, BC; and December 18 at Rexall Place in Edmonton, AB.

Public ticket sales for the new tour dates begin April 24. Face values will vary only slightly from market to market, with the cheapest seat prices set between $30 to $35 and the most expensive seats ranging from $50 to $55.

Billy Currington and Sons of Sylvia will serve as the fall tour’s special guests. Additional tour and ticketing details are available on Underwood’s official Web site.

Underwood’s spring tour leg started on March 11 in Reading, PA, and continues this week with an April 23 headline show at Van Andel Arena in Grand Rapids, MI. The final date of the spring outing comes in the form of a June 20 gig at Credit Union Centre in Saskatoon, SK.

The country singer-songwriter is on the road supporting her third studio record, “Play On,” released in November 2009. The album debuted at No. 1 on the Billboard 200 and has spawned two No. 1 country singles so far — “Cowboy Casanova” and “Temporary Home.” The album’s next single, “Undo It,” is slated for official radio release on May 24.

Carrie Underwood itinerary:
(Dates are subject to change.)

September 25Portland, ORRose Garden Arena
September 27San Jose, CAHP Pavilion at San Jose
September 28Stockton, CAStockton Arena
September 29Bakersfield, CARabobank Arena
October 1San Diego, CASan Diego Sports Arena
October 2Los Angeles, CAHollywood Bowl
October 3Glendale, Arena
October 6Houston, TXToyota Center
October 7San Antonio, TXAT&T Center
October 9Dallas, TXAmerican Airlines Center
October 10Tulsa, OKBOK Center
October 12North Little Rock, ARVerizon Arena
October 13Nashville, TNBridgestone Arena
October 15Moline, ILiWireless Center
October 16Kansas City, MOSprint Center
October 17Omaha, NEQwest Center Omaha
October 19Wichita, KSINTRUST Bank Arena
October 20Oklahoma City, OK Ford Center
October 22Memphis, TNFedExForum
October 23Mobile, ALMobile Civic Center
October 25Tampa, FLSt. Pete Times Forum
October 26 Jacksonville, FLVeterans Memorial Arena
October 27Duluth, GAThe Arena at Gwinnett Center
October 29Greensboro, NCGreensboro Coliseum Complex
October 30Charlotte, NCTime Warner Cable Arena
November 1Cleveland, OHWolstein Center
November 3Toronto, ONAir Canada Centre
November 5Uniondale, NYNassau Veterans Memorial Coliseum
November 6Manchester, NHVerizon Wireless Arena
November 12Roanoke, VARoanoke Civic Center
November 13University Park, PABryce Jordan Center
November 15Newark, NJPrudential Center
November 16Baltimore, MD1st Mariner Arena
November 29Auburn Hills, MIThe Palace of Auburn Hills
December 1St. Louis, MOChaifetz Arena
December 2Evansville, INRoberts Stadium
December 4Des Moines, IAWells Fargo Arena
December 5Sioux Falls, SDSioux Falls Arena
December 7Rapid City, SDRushmore Plaza Civic Center
December 8Casper, WYCasper Events Center
December 10Billings, MTRimrock Auto Arena
December 12Bozeman, MTBrick Breeden Fieldhouse
December 14Yakima, WAYakima Valley SunDome
December 16Vancouver, BCGeneral Motors Place
December 18Edmonton, ABRexall Place
December 19Calgary, ABPengrowth Saddledome