Dept. of Trans.       FINAL   Serial No.  Contract No.                                  
                                          08-036-13-28  02-4C4904                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
02-TEH-36-42.2/44.0                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 08-03-07                      
TRAFFIC SOLUTIONS INC                                                                   
8490 HARTMEYER LANE                                                                     
REDDING CA 96002                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         244,738.41            0.00                      
2.a. Extra Work                           7,765.60            0.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          252,504.01            0.00                      
5. Mobilization                                                                         
6. Total Work Completed      252,504.01                                                 
7. Deductions                                 0.00       10,000.00                      
8. a.Contract Retentions                 -5,987.63            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.           5,987.63            0.00                      
9. Total pay to Contractor              252,504.01       10,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              10,000.00