Appendix D Traffic Impact Analysis - westplainseis.com

5.3 Trip Generation – Alternative 2
Land Use Units Variable
Phase I
Table 8. Alternative 2 - PM Peak Hour Trip Generation
ITE
LU
Code
Equivalent Unit
Rate***
Inbound
Outbound
% Value % Value
Shopping Center 155.1 ksf 820 5.51 49% 418 51% 436 854
Quality
Restaurant
*Casino 1,878
9.2 ksf 931 7.50 67% 46 33% 23 69
Gaming
Positions
West Plains Development – Spokane Tribe Page | 46
Traffic Impact Analysis April 28, 2011
Total
- 0.76 52% 742 48% 685 1,427
****Commercial 41.6 ksf 720 3.15 27% 35 73% 96 131
General Office 10.5 ksf 710 8.67 17% 15 83% 76 91
**Police Station 14.0 ksf - 1.36 57% 11 43% 8 19
Subtotal 1,267 1,324 2,591
KSF – thousand square feet
Notes: Land use sizes for each phase are cumulative and include values from previous phases.
*Source: ITE Journal/May 2002 – Recalibration of Trip Generation Model for Las Vegas Hotel/Casinos
**Source: Police Station PM Peak Hour Trip Generation in the Portland Metro Area, Portland State University, Fall 2009
*** Equivalent rate based on unit size. Rate will vary and is dependent on variable size. See trip generation calculations
for equation used for each land use. Where available the trip rate equation was used not the average rate.
**** Medical-Dental Office – ITE LU 720 used for trip generation
5.4 Trip Generation – Alternative 3
Land Use Units Variable
Phase I
Table 9. Alternative 3 - PM Peak Hour Trip Generation
ITE
LU
Code
Equivalent Unit
Rate***
Inbound
Outbound
% Value % Value
Shopping Center 155.1 ksf 820 5.51 49% 418 51% 436 854
Quality
Restaurant
19.9 ksf 931 7.50 67% 100 33% 49 149
Hotel 300 Rooms 310 0.66 49% 98 51% 101 199
****Commercial 41.6 ksf 720 3.15 27% 35 73% 96 131
General Office 10.5 ksf 710 8.67 17% 15 83% 76 91
Bowling Alley 45.02 ksf 437 3.53 35% 56 65% 103 159
Multipurpose
Recreational
Facility
55.85 ksf 435 3.58 55% 110 45% 90 200
**Police Station 14.0 ksf - 1.36 57% 11 43% 8 19
Specialty Retail 96.6 ksf 814 2.62 44% 111 56% 142 253
Total
Subtotal 954 1,101 2,055
KSF – thousand square feet
Notes: Land use sizes for each phase reflect totals through each phase including amounts from previous phases.
**Source: Police Station PM Peak Hour Trip Generation in the Portland Metro Area, Portland State University, Fall 2009
*** Equivalent rate based on unit size. Rate will vary and is dependent on variable size. See trip generation calculations
for equation used for each land use. Where available the trip rate equation was used not the average rate.
**** Medical-Dental Office – ITE LU 720 used for trip generation