At the Command prompt, enter w (Width). Then specify a new width.
Specify a point to start drawing the double line.
Set the Dragline for Drawing Double Lines
Click Draw menu Double Line.
At the Command prompt, enter d (Dragline).
Specify the offset of the double lines from the points you specify. Enter L (Left), c (Center), or r (Right). If you want to offset the placement point a specific distance from the center line, enter a distance.
Specify a point to continue drawing the double line.
Set the Endcaps for Double Lines
Click Draw menu Double Line.
At the Command prompt, enter ca (Caps).
Enter one of the following options:
To close both ends of the double line, enter b (Both).
To close only the endpoint, enter e (Endpoint).
To close only the start point, enter s (Start Point).
To leave both ends open, enter n (None).
To automatically close all the ends that are not snapped to another object (the default), enter a (Auto).
Specify a point to continue drawing the double line.
Create a Gap Where Double Lines Intersect
Click Draw menu Double Line.
At the Command prompt, enter b (Break).
Enter on.
At the Command prompt, enter s (Snap).
Enter on.
Specify a point (1) near another double line, line, or arc.
Snap to Objects When Drawing Double Lines
Click Draw menu Double Line.
At the Command prompt, enter s (Snap).
Specify one of these options:
To turn on Snap, enter on.
To change the size of the snap area, enter s (Size). Then enter a number between 1 and 10 to specify the number of pixels in the search area.
Specify a start point.
Specify a point on an existing object to end the double line.