425

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): November 15, 2006

Crown Castle International Corp.

(Exact Name of Registrant as Specified in its Charter)

Delaware	001-16441	76-0470458
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification Number)

510 Bering Drive

Suite 600

Houston, TX 77057

(Address of Principal Executive Office)

Registrant’s telephone number, including area code: (713) 570-3000

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):

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

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

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

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

ITEM 8.01 – OTHER EVENTS

On November 15, 2006, the Company issued a press release announcing that it had priced $1.55 billion of Senior Secured Tower Revenue Notes, Series 2006-1, which will be issued by certain of its indirect subsidiaries in a private transaction. The November 15 press release is attached as Exhibit 99.1 to this Form 8-K.

ITEM 9.01 — FINANCIAL STATEMENTS AND EXHIBITS

(c) Exhibits

Exhibit No.	Description
99.1	Press Release dated November 15, 2006

1

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.

CROWN CASTLE INTERNATIONAL CORP.
By:	/s/ E. Blake Hawk
Name:	E. Blake Hawk
Title:	Executive Vice President and General Counsel

Date: November 15, 2006

2

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release dated November 15, 2006

3

EX-99.1

Exhibit 99.1

	Contacts:	W. Benjamin Moreland, CFO
		Jay Brown, Treasurer
FOR IMMEDIATE RELEASE		Crown Castle International Corp.
		713-570-3000

CROWN CASTLE INTERNATIONAL RAISES $1.55 BILLION

IN SENIOR SECURED TOWER REVENUE NOTES OFFERING

November 15, 2006 - HOUSTON, TEXAS - Crown Castle International Corp. (NYSE: CCI) announced today that it has priced $1.55 billion of Senior Secured Tower Revenue Notes, Series 2006-1 (“Offered Notes”), which will be issued by certain of its indirect subsidiaries in a private transaction as additional debt securities under the existing Indenture dated as of June 1, 2005, pursuant to which the Senior Secured Tower Revenue Notes, Series 2005-1 were issued. The Offered Notes consist of seven classes of notes, five of which are expected to be rated investment grade. The weighted average interest rate on the various classes of Offered Notes is approximately 5.71%. Further, all of the Offered Notes have an expected life of five years with a final maturity of November 2036. Crown Castle expects the offering to close on November 29, 2006.

Crown Castle expects to use the net proceeds received from this offering to (i) repay the outstanding term loan under the Crown Castle Operating Company credit facility and (ii) pay the expected cash portion of the consideration of the planned acquisition of Global Signal Inc. or, in the event the acquisition of Global Signal Inc. is not consummated, for general corporate purposes.

This press release is not an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of the notes in any jurisdiction in which any such offer, solicitation, or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction. The notes are offered to qualified institutional buyers under Rule 144A, to persons outside of the United States under Regulation S and to institutional investors that are Accredited Investors under Rule 501. The notes will not be registered under the Securities Act of 1933, as

News Release continued:

Page 2 of 3

amended (the Securities Act), or any state securities laws, and, unless so registered, may not be offered or sold in the United States except pursuant to an exemption from the registration requirements of the Securities Act and applicable state securities laws.

Crown Castle International Corp. engineers, deploys, owns and operates technologically advanced shared wireless infrastructure, including extensive networks of towers. Crown Castle offers significant wireless communications coverage to 76 of the top 100 US markets and to substantially all of the Australian population. Crown Castle owns, operates and manages over 11,500 and over 1,300 wireless communication sites in the US and Australia, respectively. On October 6, 2006, Crown Castle announced it had entered into a definitive agreement to acquire Global Signal Inc. (NYSE: GSL). Global Signal owns, leases or manages approximately 11,000 towers and other wireless communications sites. For more information on Crown Castle, please visit www.crowncastle.com.

Cautionary Language Regarding Forward-Looking Statements

This press release contains forward-looking statements that are based on Crown Castle management’s current expectations. Such statements include, but are not limited to, plans, projections and estimates regarding (i) the proposed closing of the Offered Notes, (ii) the investment grade rating of the Offered Notes, (iii) the expected life and maturity of the Offered Notes and (iv) the use of proceeds from the Offered Notes, including in connection with the planned acquisition of Global Signal, Inc. Such forward-looking statements are subject to certain risks, uncertainties and assumptions, including prevailing market conditions and other factors. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those expected. More information about potential risk factors that could affect Crown Castle’s results is included in our filings with the Securities and Exchange Commission (“SEC”).

Additional Information and Where to Find It

In connection with the contemplated Crown Castle and Global Signal merger (“Proposed Transaction”), Crown Castle has filed with the SEC a Registration Statement on Form S-4 containing a preliminary Joint Proxy Statement/Prospectus. INVESTORS AND SECURITY HOLDERS OF CROWN CASTLE AND GLOBAL SIGNAL ARE URGED TO READ THE REGISTRATION STATEMENT AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC, INCLUDING THE PRELIMINARY JOINT PROXY STATEMENT/PROSPECTUS THAT IS A PART OF THE REGISTRATION STATEMENT AND THE DEFINITIVE JOINT PROXY STATEMENT/PROSPECTUS, WHEN AVAILABLE, BECAUSE THEY CONTAIN OR WILL CONTAIN IMPORTANT INFORMATION ABOUT CROWN CASTLE, GLOBAL SIGNAL, THE PROPOSED TRANSACTION AND RELATED MATTERS. Investors and security holders of Crown Castle and Global Signal are able to obtain copies of the Registration Statement and the preliminary Joint Proxy Statement/Prospectus as well as other filings with the SEC incorporated by reference into such documents, containing information about Crown Castle and Global Signal, without charge, at the SEC’s website at www.sec.gov. These documents may also be obtained for free from Crown Castle by directing a request to Crown Castle International Corp., Investor Relations, 510 Bering Drive, Suite 600, Houston, Texas 77057 or for free from Global Signal by directing a request to Global Signal Inc. at 301 North Cattlemen Road, Suite 300, Sarasota, Florida 34232-6427, Attention: Secretary.

News Release continued:

Page 3 of 3

Participants in the Solicitation

Neither Crown Castle nor Global Signal is currently engaged in a solicitation of proxies from the security holders of Crown Castle or Global Signal in connection with the Proposed Transaction. If a proxy solicitation commences, Crown Castle, Global Signal and their respective directors and executive officers and other members of management may be deemed to be participants in such solicitation. Information regarding Crown Castle’s directors and executive officers is available in Crown Castle’s Annual Report on Form 10-K for the year ended December 31, 2005, and the proxy statement, dated April 11, 2006, for its 2006 annual meeting of stockholders, which are filed with the SEC. Information regarding Global Signal’s directors and executive officers is available in Global Signal’s Annual Report on Form 10-K for the year ended December 31, 2005 and the proxy statement, dated April 12, 2006, for its 2006 annual meeting of stockholders, which are filed with the SEC. Additional information regarding the interests of such directors and executive officers is included in the Registration Statement containing the preliminary Joint Proxy Statement/Prospectus filed with the SEC.