HomeMy WebLinkAbout2020-04-30 Traffic Trip Generation Study
February 28, 2018
Matt Schultz
Schultz Development
PO Box 1115
Meridian, ID 83680
RE: Tanner Creek Subdivision
Meridian, ID
Dear Mr. Schultz:
As requested, we have reviewed the site for the above referenced project and estimated trip generation for
the proposed land uses compared to the previously proposed land uses. This letter will summarize our
findings.
The previously proposed land use was for retail development. Estimated trip generation for this
development was obtained from the ACHD staff report dated March 5, 2008. The report indicates this
development is estimated to generate approximately 10,300 vehicle trips per day (VTD) and 975
vehicles in the PM peak hour at buildout.
The trip generation estimated from the final plan can be estimated using the procedures recommended in
the Trip Generation Manual, 9th edition, published by the Institute of Transportation Engineers. This is
the procedure we used in our study November 8, 2017. However the final number of units has changed
since submission of that report. Using these procedures and the final number of units, we estimate that
the site will generate approximately 3,019 vehicle trips per day and 296 vehicles in the PM peak
hour. A copy of the calculations is attached.
In summary, the proposed development plan will generate only 29% of the daily traffic, and 30% of the
PM peak hour traffic, as the previously proposed land uses. Should you have any questions, please call.
Sincerely,
Daniel A. Thompson, P.E.
Attachment
181 East 50th St. Garden City, ID 83714
(208) 484-4410 (Cell)
thompsonengineers@cableone.net
2/28/18
TRIP GENERATION SUMMARY
Total
Single-Family Detached
Housing 210 127 DU 9.52 1,210 ----1,210 50%605 50%605
Apartment 220 272 DU 6.65 1,809 ----1,809 50%904 50%904
3,019 3,019 1,509 1,509
Single-Family Detached
Housing 210 127 DU 0.75 95 ----95 25%24 75%71
Apartment 220 272 DU 0.51 139 ----139 20%28 80%111
234 234 52 183
296 296 190 106
Total Trips
Weekday AM Peak Hour (vph)
Total Trips
Weekday PM Peak Hour (vph)
Total Trips
Internal
Capture
Trips
Pass-by
Trips
PrimaryTrip
Entering Exiting
Weekday Daily (vpd)
Land Use
ITE
Code Size Unit
Trip Rate
per Unit
Total
Trips