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Link Summary Screen The main input screen (see Figures below) is where the roadway geometry is specified. This is done by adding segments/links where you can set the length, initial angle, free-flow speed, grade, and so on. You can insert a basic segment, on-ramp segment, or off-ramp segment with the toolbar buttons above the segment table. Click ‘Delete Link’ to delete the currently selected segment. The segment characteristics assume an east-to-west or north-to-south direction of entry.

Segment Input Fields Most of the input fields for the freeway facility are the same as for the two-lane highway facility. The only differences are that the freeway has an input for the number of lanes for the segment and does not include inputs for a passing lane.