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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 
BEG SH-1 REALIGNMENT & US-95 RT & LT           
               
001540 
521.862 
 13    
030861 
521.945 
ITD MAINTENANCE YARD RT                        
               
       
        
 13    
030861 
522.223 
END REALIGNMENT: SEG CODE CHANGE               
               
001540 
522.223 
 13    
001540 
522.223 
SEG CODE CHANGE: END 2004 SH-1 REALIGNMENT     
               
030861 
522.223 
 13    
001540 
522.519 
COUNTY ROAD #44 LT                             
               
021641 
100.983 
 13    
001540 
522.864 
SH-1 (SEG CODE CHANGE)                         
               
001580 
 .000   
 13    
001580 
.000    
SH-1 (SEGMENT CODE CHANGE)                     
               
001540 
522.864 
 13    
001580 
.060    
SH-1 & PIONEER RD (OLD HWY 95) RT              
               
001540 
523.031 
 13    
001580 
.157    
MOUNT HALL SCHOOL RT                           
               
       
        
 13    
001580 
.456    
CULVERT (OFF SYSTEM)                           
               
       
        
 13    
001580 
.711    
MISSION CREEK (OFF SYSTEM)                     
               
       
        
 13    
001580 
1.037   
COPELAND HILL RD (SPORTSMAN ACCESS) LT         
               
004450 
 26.241 
 13    
001580 
1.067   
SERVICE RD RT                                  
               
       
        
 13    
001580 
1.185   
ACCESS TO SERVICE RD RT                        
               
       
        
 13    
001580 
1.945   
COUNTY RD #55 RT                               
               
       
        
 13    
001580 
2.160   
ENTRANCE TO CEMETERY RT                        
               
       
        
 13    
001580 
2.215   
COUNTY RD #48 RT/MISC LOCAL RD LT              
               
021642 
100.000 
 13    
001580 
2.749   
LOCAL RD LT                                    
               
       
        
 13    
001580 
3.678   
COUNTY RD #49 RT                               
               
021644 
100.000 
 13    
001580 
3.907   
CULVERT (OFF SYSTEM)                           
               
       
        
 13    
001580 
4.205   
COUNTY RD #46A LT                              
               
021645 
101.343 
 13    
001580 
4.692   
DAUFAU CREEK (OFF SYSTEM)                      
               
       
        
 13    
001580 
5.886   
SPRING HILL (#54) RD RT & UMBER (#50) RD LT    
               
021657 
101.075 
 13    
001580 
6.428   
COUNTY RD #53 LT                               
               
021656 
100.441 
 13    
001580 
6.695   
CREEK (OFF SYSTEM)                             
               
       
        
 13    
001580 
7.065   
COUNTY RD #52 LT                               
               
021655 
101.120 
 13    
001580 
7.688   
COUNTY RD #51 RT                               
               
021651 
103.429 
 13    
001580 
7.811   
COUNTY RD #51-1 RT                             
               
       
        
 13    
001580 
7.960   
COUNTY RD #51-1 LT                             
               
       
        
 13    
001580 
9.314   
COUNTY RD 51C RT                               
               
021652 
100.000 
 13    
001580 
10.020  
TOP OF PORTHILL GRADE                          
               
       
        
 13    
001580 
10.111  
1 MILE TO CANADIAN BORDER (SIGN RT)            
               
       
        
 13    
001580 
10.587  
COUNTY RD #46C LT                              
               
021658 
100.486 
 13    
001580 
10.852  
BEG TURNOUT LT                                 
               
       
        
 13    
001580 
10.876  
END TURNOUT LT                                 
               
       
        
 13    
001580 
10.901  
ENTERING PORTHILL (SIGN RT; UNINCORPORATED)    
               
       
        
 13    
001580 
11.023  
COUNTY RD #51 RT                               
               
021650 
100.000 
 13    
001580 
11.053  
CONNECTOR TO COUNTY RD #46 LT                  
               
       
        
 13    
001580 
11.086  
COUNTY RD #46 LT                               
               
021648 
109.627 
 13    
001580 
11.106  
CUSTOMS-IMMIGRATION BUILDING LT                
               
       
        
 13    
001580 
11.147  
CONNECTOR RD LT                                
               
       
        
 13    
001580 
11.175  
IDAHO-US/CANADA                                
               
       
        
 13    

Page Last Modified: 8/30/2011 3:09:38 PM

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Idaho Transportation Department
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Boise, ID 83707-1129