Use this dialog box to create or edit a baseline for a corridor. The baseline can be comprised of an alignment and profile or a feature line. 
-  
Baseline Name 
 
-  
Specifies the format of the corridor baseline name. Click 
  
 to open the Name Template dialog box. 
  
- Baseline Type
 
- Specifies whether the baseline will be comprised of an alignment and profile or a feature line. 
- Alignment and Profile: Specifies that the baseline will be comprised of an alignment and profile, and displays the 
	 Horizontal Alignment list so you can select the alignment. 
-  
	 Horizontal Alignment 
 
-  
	 
Lists the horizontal alignments that are available. Click 
		
 to select an alignment in the drawing. 
	 
  
 
 
   
- Feature Line: Specifies that the baseline will be comprised of a feature line, and displays the 
	 Site and 
	 Feature Line lists so you can select the feature line. 
-  
	 Site 
 
-  
	 
Lists the sites that are available. Select a site from the drop-down list or click 
		

 to select an object in the site in the drawing, 
		which selects the site and filters the list of feature lines. 
		
Note: Leave this as <None> to list the feature lines that are not stored in a site. 
		
 
	  
  
-  
	 Feature Line 
 
-  
	 
Lists the named feature lines that are available in the specified site or that are outside of a site. Select a feature line name from the drop-down list or from the drawing. 
		If you select the feature line from the drawing without first selecting a site, the site will also be selected.
	 
 
	 Tip: If a feature line is not named, it will not appear in the drop-down list. You can click 
		

 to select a feature line (named or unnamed) in the drawing. If the selected feature line is not named, the 
		
Apply Feature Line Names dialog box is displayed so you can enter a name for it. 
	 
 
 
	 You can select feature lines that have been created using the feature line creation tools, including feature lines that have been extracted from a corridor. However, feature lines that have been extracted from a corridor and 
		are dynamic to that corridor cannot be selected for use as a baseline in the same corridor.