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State Highway 1

MAIN ROUTE: ASCENDING ROAD: JURISDICTION ITD DISTRICT 1: BOUNDARY COUNTY
Segment Code Milepost Description of Roadway City Name Intersecting Segment Code Intersecting Milepost Federal Aid Route Number
030861 
521.760 
JCT US-95 RT & LT/SH-1 AH                      
               
001540 
21.862  
 13    
030861 
522.297 
END 030861/BEG 001540                          
               
001540 
22.297  
 13    
001540 
522.576 
COUNTY ROAD #44 LT                             
               
       
        
 13    
001540 
522.929 
END 001540/BEG 001580                          
               
001580 
 .000   
 13    
001580 
.000    
JCT US-95 RT                                   
               
001540 
22.929  
 13    
001580 
.060    
JCT US-95 CONNECTOR RT                         
               
       
        
 13    
001580 
.450    
CREEK (DRY DRAINAGE)                           
               
       
        
 13    
001580 
.740    
MISSION CREEK                                  
               
       
        
 13    
001580 
1.040   
#45 (COPELAND RD) LT                           
               
004450 
26.241  
 13    
001580 
1.070   
COUNTY RD #47 RT                               
               
       
        
 13    
001580 
1.940   
COUNTY RD #55 RT                               
               
       
        
 13    
001580 
2.210   
COUNTY RD #48 RT                               
               
       
        
 13    
001580 
2.215   
ENTRANCE TO CEMETERY RT                        
               
       
        
 13    
001580 
2.800   
CREEK (DRY DRAINAGE)                           
               
       
        
 13    
001580 
3.676   
COUNTY RD #49 RT                               
               
       
        
 13    
001580 
4.200   
COUNTY RD #48A LT                              
               
       
        
 13    
001580 
4.700   
DAUFAU CREEK                                   
               
       
        
 13    
001580 
5.680   
CULVERT                                        
               
       
        
 13    
001580 
5.885   
COUNTY RD #54 RT; COUNTY RD #50 LT             
               
       
        
 13    
001580 
6.325   
OVERHEAD UTILITY CROSSING                      
               
       
        
 13    
001580 
6.430   
COUNTY RD #53 LT                               
               
       
        
 13    
001580 
6.680   
CREEK (DRY DRAINAGE)                           
               
       
        
 13    
001580 
7.067   
COUNTY RD #52 LT                               
               
       
        
 13    
001580 
7.690   
COUNTY RD #51 RT                               
               
021651 
03.420  
 13    
001580 
7.810   
COUNTY RD 51A RT                               
               
       
        
 13    
001580 
10.000  
TOP OF PORTHILL GRADE                          
               
       
        
 13    
001580 
10.590  
COUNTY RD #46C LT                              
               
       
        
 13    
001580 
10.860  
ENTER IDAHO SIGN LT                            
               
       
        
 13    
001580 
10.920  
PORTHILL (SIGN RT; UNINCORPORATED)             
               
       
        
 13    
001580 
11.030  
COUNTY RD #51 RT                               
               
021651 
00.000  
 13    
001580 
11.080  
COUNTY ROAD #46 LT                             
               
       
        
 13    
001580 
11.130  
CUSTOMS-IMMIGRATION BLDG LT                    
               
       
        
 13    
001580 
11.185  
CANADA/IDAHO BORDER                            
               
       
        
 13    

Page Last Modified: 12/18/2006 1:45:15 PM

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Idaho Transportation Department
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Boise, ID 83707-1129