FSUTMS Comprehensive Modeling Workshop - Cambridge ...

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FSUTMS--CUBE MODELING TRAINING SERIES
99
Calculate Link Distribution Percentages (Cont’d)
Exercise 12.1.1
► Next, we will need to total our project external trips.
► Imagine a cordon line surrounding the site. Click on the four
links intersecting the cordon line indicated on the next slide.
► You will need to manually total the volumes found in the
DRI_TRIPS attribute. Please remember to total the volume in
both directions and for all four links.
► For this example the total project external trips is equal to
9032.32. . Due to slight differences in how you edited your
network, you may arrive at a slightly different number, but the
value should be similar to this. If you find that your total project
external trips deviates by more than a couple of hundred trips,
perhaps you made an error in your calculations or in your
socio-economic data.
FSUTMS--CUBE MODELING TRAINING SERIES
100
12-50