This is unofficial, but here is the proposed Indycar Schedule for 2013:
PROJECTED 2013 INDYCAR SCHEDULE
March 24 St. Petersburg, Fla.
April 7 Birmingham, Ala.
April 21 Long Beach, Calif.
May 5 Sao Paulo, Brazil
May 26 Indianapolis, In.
June 1-2 Detroit, Mich. (doubleheader)
June 8 Fort Worth, Texas
June 15 Milwaukee, Wis.
June 22 Newton, Iowa
July 7 Pocono, Pa.
July 13-14 Toronto, Ontario (doubleheader)
Aug. 4 Lexington, Ohio
Aug. 24-25 Sonoma, Calif. (doubleheader)
Sept. 1 Baltimore, Md.
Oct. 6 Houston, Texas
Oct. 12 Fontana, Calif.
My Motorways 