This drawing shows the intersection of two streets where the street is wide
enough for left turn lanes. It might be used to explain
a traffic accident. Drawings can also be used to suggest
possible redesigns to the intersection.
If you haven't already done so, first download the
version of RFFlow. It will allow you to open any drawing and make
Once RFFlow is installed, you can open the above drawing in RFFlow by clicking
From there you can zoom in, change the text, change colors, print and fully
customize this sample drawing. It is often
easier to modify an existing drawing than to draw it from scratch.
On the above drawing, each grid unit represents 1 foot. This is established by
clicking on Tools
, and Dimensions on Lines.
To edit the text, you can either double-click or right-click and choose
from the menu that appears. For example, you can
double-click on each 10' and change to the width of a lane on your road.
You can move a line by dragging it or change its length by single clicking on it and
dragging one of the handles. Green handles appear when you click on a shape,
line or curve. Drag these handles to size the object.
To change colors and other properties, right-click on the line or shape and
in the menu. To duplicate a line or shape,
right-click on it and choose Duplicate
. To delete a shape or line,
right-click on it and choose Delete
In general, you drag objects to move them, left-click to size them, and
right-click to change their text or properties.
To create this drawing without downloading it, run RFFlow and click the More
button. Open the
folder and click on the Roads
stencil. Then click the