Gov. David Paterson and Mayor Michael Bloomberg participated at the parade's opening ceremony on Thursday, held at the Eternal Light Monument at Madison Square Park before the march up Fifth Avenue.
Yankees Hall of Famer Jerry Coleman is the parade's grand marshal.
A Hudson River wreath-laying will be part of an afternoon ceremony at the Intrepid Sea, Air & Space Museum.
The New York City Police Department announced street closures and anticipated traffic delays.
Drivers should expect delays in the following areas:
Manhattan: 8:00 a.m. - 1:00 p.m.
Formation: East 26th Street between Park Avenue South & Broadway
East 27th - East 29th Streets between Madison Avenue & Broadway
5th Avenue between 23rd and 26th Street
Step off: 11:30 a.m.
Route: 5th Avenue from 26th Street to 52nd Street
End: 5th Avenue & 52nd Street
Also, at approximately 11:10 a.m. military personnel will conduct a 21 gun salute in connection with the wreath laying ceremony for Veteran's Day within Memorial Park located on the east side of 5th Avenue between 23rd -25th Streets.