UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): December 20, 2006

SWIFT TRANSPORTATION CO., INC.

(Exact Name of Registrant as Specified in Charter)

Nevada	0-18605	86-0666860
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)
2200 South 75th Avenue, Phoenix, Arizona		85043
(Address of Principal Executive Offices)		(Zip Code)

(602) 269-9700

(Registrant’s telephone number, including area code)

(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 ( see General Instruction A.2. below):

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

o Soliciting material 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))

TABLE OF CONTENTS

 Exhibit 10.1

ITEM 1.01 ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT

On December 20, 2006, the Company amended its existing accounts receivable securitization agreement. The amendment extended the expiration date to December 19, 2007 and included, as a Termination Event, a Change in Control, as defined.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(c)	Exhibits
	Exhibit 10.1 Second Amendment to Amended and Restated Receivables Sale Agreement, Dated December 20, 2006

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 hereunto duly authorized.

Dated: December 20, 2006

SWIFT TRANSPORTATION CO., INC.
 

/s/ Glynis Bryan  

By: Glynis Bryan 

Chief Financial Officer 

EXHIBIT INDEX

Exhibit 10.1 Second Amendment to Amended and Restated Receivables Sale Agreement, Dated December 20, 2006