UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

# FORM 8-K

CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (date of earliest event reported):   April 19, 2005

| | TRANSPORT CORPORATION OF AMERICA, INC.                 | 
| | ------------------------------------------------------ | 
| |                                                       
| | (Exact name of Registrant as specified in its charter) | 
|
|
| | Minnesota                                              | 
| |                                                       
| | (State or other jurisdiction of incorporation)         | 

|0-24908                                  |  | 41-1386925          | 
|---------------------------------------- |  | ------------------- | 
|                                         |  |                    
|(Commission                              |  | (I.R.S. Employer    | 
|File Number)                             |  | Identification No.) | 
|                                        
|                                        
|1715 Yankee Doodle RoadEagan, Minnesota  |  | 55121               | 
|                                         |  |                    
|(Address of principal executive offices) |  | (Zip Code)          | 

| | (651) 686-2500                                       | 
| | ---------------------------------------------------- | 
| |                                                     
| | (Registrants telephone number, including area code) | 

| | Not Applicable                                                | 
| | ------------------------------------------------------------- | 
| |                                                              
| | (Former name or former address, if changed since last report) | 

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the following provisions: o

Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 230.425)  o

Soliciting materials pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)  o

Pre-commencement communications pursuant to Rule 14d-2(b) under
the Exchange Act (17 CFR 240.14d-2(b))  o

Pre-commencement communications pursuant to Rule 13e-4(c) under
the Exchange Act (17 CFR 240.13e-4(c))


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# Item 7.01.   Regulation FD
Disclosure

The Transport Corporation of America,
Inc. (the Company) 2004 Annual Report to Shareholders sent to shareholders on
or about April 19, 2005 (excluding the Companys 2004 Form 10-K Annual Report which
is enclosed with the Annual Report to Shareholders and is separately filed with the
Commission), attached hereto as Exhibit 99.1, is furnished pursuant to Regulation FD.

# Item 9.01.       Financial
Statements and Exhibits

|(c) |  | Exhibits
|--- |  | --------

| | Exhibit
99.1  Portions of Transport Corporation of America, Inc. 2004 Annual Report to
Shareholders
| | ----------------------------------------------------------------------------------------------------

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# SIGNATURES

Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused
this report to be signed on its behalf by the undersigned, thereunto duly authorized.

|                      |                                                                  |                                        |  |                         | 
|--------------------- | ---------------------------------------------------------------- | -------------------------------------- |  | ----------------------- | 
|                      |                                                                  | TRANSPORT CORPORATION OF AMERICA, INC.
|                      |                                                                  | By                                     |  | /s/   Michael J. Paxton | 
|                      |                                                                 
|                      | Michael J. Paxton, ChairmanPresident and Chief Executive Officer |                                       
|Dated: April 19, 2005 |                                                                  |                                        |  |                         | 

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# TRANSPORT CORPORATION OF
AMERICA, INC.FORM 8-K REPORT

# INDEX TO EXHIBITS

| |  | Exhibit No. |  | Description                                                                          
| |  | ----------- |  | -------------------------------------------------------------------------------------
|
| |  | 99.1        |  | Portions of Transport Corporation of America, Inc. 2004 Annual Report to Shareholders