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          April 30, 2007 (April 26, 2007)
                 reported)                       -------------------------------


                              L. B. Foster Company
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)


       Pennsylvania                  000-10436                 25-1324733
- --------------------------------------------------------------------------------
 (State or other jurisdiction       (Commission             (I.R.S. Employer
     of incorporation)              File Number)           Identification No.)


415 Holiday Drive, Pittsburgh, Pennsylvania                        15220
- --------------------------------------------------------------------------------
 (Address of principal executive offices)                        (Zip Code)


Registrant's telephone number, including area code     (412) 928-3417
                                                       -------------------------


- --------------------------------------------------------------------------------
         (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):


[ ] 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 1.01

On April 26, 2007,  Registrant executed an amendment,  effective April 24, 2007,
to its sublease with American Cast Iron Pipe Company  ("ACIPCO")  which extended
the term of the sublease to July 31, 2017. The amendment is attached  hereto and
incorporated herein by reference.

Registrant utilizes these 32 acres of subleased property, located in Birmingham,
Alabama, to coat pipe for ACIPCO.





Item 9.01

(d) Exhibits

10.19.2  Amendment  dated  April 24,  2007 to Sublease  between  Registrant  and
American Cast Iron Pipe Company for pipe coating facility Birmingham, Alabama.





                                   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.



                                          L.B. Foster Company
                                          -------------------
                                          (Registrant)


Date: April 30, 2007
      --------------
                                          /s/ David J. Russo
                                          ------------------
                                          David J. Russo
                                          Senior Vice President,
                                          Chief Financial Officer and Treasurer






EXHIBIT INDEX
- -------------

Exhibit Number                              Description
- --------------                              -----------

10.19.2                      Amendment dated April 24, 2007 to Sublease between
                             Registrant and American Cast Iron Pipe Company for
                             pipe coating facility Birmingham, Alabama.



                                                                Exhibit 10.19.2

                                 AMENDMENT NO. 5
                              TO SUBLEASE AGREEMENT


     THIS  AMENDMENT TO SUBLEASE  AGREEMENT  dated December 11, 1991, as amended
("Sublease")  by  and  between  AMERICAN  CAST  IRON  PIPE  COMPANY,  a  Georgia
corporation  ("Landlord")  and L.B. FOSTER COMPANY,  a Pennsylvania  corporation
("Tenant")  is made and entered  into  between  Landlord and Tenant on and as of
this the 24th day of April 2007 ("Amendment").

                                   WITNESSETH:
                                   -----------

     WHEREAS, Landlord and Tenant desire to further amend the Sublease which has
heretofore  been  amended  by  Amendment  No.  1  amending  Exhibit  "A"  to the
Sublease;,  by  Amendment  No. 2  providing  that the  Commencement  Date of the
Sublease is April 1, 1992 and extending  the term of the Sublease;  by Amendment
No. 3 providing  for the  construction  of certain  improvement  on the "demised
premises" and the payment of Supplemental Rent in connection  therewith;  and by
Amendment No. 4 extending the term of the Sublease to July 31, 2007; and

     WHEREAS,  Landlord  and  Tenant  desire to  further  extend the term of the
Sublease to July 31, 2017.

     NOW   THEREFORE,   in   consideration   of  the  premises  and  the  mutual
undertakings,  covenants, promises and agreements herein contained and for other
good and valuable consideration,  receipt of which is acknowledged, Landlord and
Tenant agree to further amend the Sublease as follows:

         1.       ARTICLE 1. PREMISES AND TERM. Article 1 (Premises and Term) is
                  hereby amended by changing and amending the second paragraph
                  of Article 1 to read in its entirety as follows:

                  TO HAVE AND TO HOLD the said demised premises, together with
                  all and singular the improvements thereunto belonging or in
                  any manner appertaining, unto Tenant for a term commencing on
                  the Commencement Date set forth in Article 3 hereof, and
                  continuing thereafter to and including July 31, 2017, subject,
                  however, to earlier termination as provided elsewhere in this
                  sublease.

         2.       Except as otherwise provided herein, all defined terms in the
                  Sublease are incorporated by reference into this Amendment.

         3.       Except as amended hereby, all provisions of the Sublease shall
                  remain in full force and effect.

     IN WITNESS  WHEREOF,  Landlord  and Tenant have duly  executed  and affixed
their  respective  seals  to  this  instrument,  being  duly  authorized  in the
premises, on the day and year first above written.

                                                     LANDLORD:

                                            American Cast Iron Pipe Company,
                                            a Georgia corporation

                                            By: /s/ J. M. O'Brien
                                                -----------------
                                            Its: V.P, Sales/Secretary
                                                 --------------------


                                            TENANT:

                                            L.B. Foster Company,
                                            a Pennsylvania corporation

                                            By: /s/ Stan L. Hasselbusch 4/26/07
                                                -------------------------------
                                            Its: President and CEO
                                                 -----------------