Appendix D Traffic Impact Analysis - westplainseis.com

PROJECT: West Plains Development
DAVID EVANS AND ASSOCIATES INC.
JOB NO: SPTR00000001 908 N Howard St. #300
INTERSECTION: US2/Lawson Street Spokane, Wa 99021
DATE OF COUNT: July 7, 2009
APPROACH
MOVEMENT
TRAFFIC COUNT REDUCTION WORKSHEET
15 Minute Period Beginning @
PM PEAK HOURS
Ph: (509) 327-8697
Fax: (509) 327-7345
3:00 3:15 3:30 3:45 4:00 4:15 4:30 4:45 5:00 5:15 5:30 5:45
pass trk pass trk pass trk pass trk pass trk pass trk pass trk pass trk pass trk pass trk pass trk pass trk
Left 6 0 4 0 6 0 7 0 14 0 6 0 14 0 5 0 5 0 8 0 8 0 4 0
Eastbound Through 178 2 215 5 248 6 246 0 261 0 307 1 288 1 284 2 221 1 217 2 180 5 199 1
Right 2 0 6 0 3 1 2 0 1 0 3 0 5 0 3 1 3 0 4 0 4 0 8 1
App. Total 186 2 225 5 257 7 255 0 276 0 316 1 307 1 292 3 229 1 229 2 192 5 211 2
Pct Trucks 1.06 2.17 2.65 0.00 0.00 0.32 0.32 1.02 0.43 0.87 2.54 0.94
Left 17 0 19 0 19 0 27 0 14 0 19 0 29 0 25 0 21 0 22 0 23 0 18 0
Westbound Through 169 2 166 0 150 4 182 3 220 2 169 1 235 0 210 1 170 0 222 0 185 1 183 1
Right 8 0 9 0 5 0 5 0 1 0 4 0 3 0 6 0 5 0 8 0 5 0 7 0
App. Total 194 2 194 0 174 4 214 3 235 2 192 1 267 0 241 1 196 0 252 0 213 1 208 1
Pct Trucks 1.02 0.00 2.25 1.38 0.84 0.52 0.00 0.41 0.00 0.00 0.47 0.48
Left 6 0 8 1 14 0 5 0 16 0 9 1 17 0 17 0 17 0 18 1 12 0 13 0
Northbound Through 9 0 4 0 10 0 7 0 5 0 10 0 4 0 8 0 5 0 7 0 5 0 5 0
Right 7 0 17 0 17 0 15 0 20 0 25 0 26 0 18 0 13 0 19 0 13 0 16 0
App. Total 22 0 29 1 41 0 27 0 41 0 44 1 47 0 43 0 35 0 44 1 30 0 34 0
Pct Trucks 0.00 3.33 0.00 0.00 0.00 2.22 0.00 0.00 0.00 2.22 0.00 0.00
Left 8 0 9 0 14 0 6 0 6 0 11 0 15 1 12 0 14 0 17 0 12 0 13 0
Southbound Through 9 0 4 0 8 0 9 0 9 0 5 0 8 0 11 0 8 0 3 0 7 0 2 0
Right 5 0 7 0 5 0 7 0 3 0 5 0 4 0 8 0 4 0 10 0 8 0 3 0
App. Total 22 0 20 0 27 0 22 0 18 0 21 0 27 1 31 0 26 0 30 0 27 0 18 0
Pct Trucks 0.00 0.00 0.00 0.00 0.00 0.00 3.57 0.00 0.00 0.00 0.00 0.00
Total Intersection Volume 424 4 468 6 499 11 518 3 570 2 573 3 648 2 607 4 486 1 555 3 462 6 471 3
Intersection Pct Trucks 0.93 1.27 2.16 0.58 0.35 0.52 0.31 0.65 0.21 0.54 1.28 0.63
Intersection Total Pct Intersection Total Pct
One Hour Volumes Trucks One Hour Volumes Trucks PM PEAK HOUR VOLUME
3:00 1.242 4:15 2324 0.430
1933
3:15 2077 1.059 4:30 2306 0.434
3:30 2179 0.872 4:45 2124 0.659
3:45 2319 0.431 5:00 1987 0.654
4:00 2409 0.457
PM PEAK HOUR BREAKDOWN Truck % 0.00% 0.00% 2.22%
P.H.F. 0.63 0.75 0.70
4:00 4:15 4:30 4:45 Volume 20 33 45
APPROACH MOVEMENT
pass trk pass trk pass trk pass trk TOTAL P.H.F.
Left 14 0 6 0 14 0 5 0 39 0.696429
Eastbound Through 261 0 307 1 288 1 284 2 1144 0.928571
Right 1 0 3 0 5 0 3 1 13 0.65
App. Total 276 0 316 1 307 1 292 3 1196 0.943218
Pct Trucks 0.00 0.32 0.32 1.02
0.41806 Truck % P.H.F. Volume Volume P.H.F. Truck %
Left 14 0 19 0 29 0 25 0 87 0.75 0.00% 0.70 39 14 0.58 0.00%
Westbound Through 220 2 169 1 235 0 210 1 838 0.891489
Right 1 0 4 0 3 0 6 0 14 0.583333 0.35% 0.93 1144 838 0.89 0.48%
App. Total 235 2 192 1 267 0 241 1 939 0.879213
Pct Trucks 0.84 0.52 0.00 0.41 0.425985 7.69% 0.65 13 87 0.75 0.00%
Left 16 0 9 1 17 0 17 0 60 0.882353
Northbound Through 5 0 10 0 4 0 8 0 27 0.675
Right 20 0 25 0 26 0 18 0 89 0.855769
App. Total 41 0 44 1 47 0 43 0 176 0.93617
Pct Trucks 0.00 2.22 0.00 0.00 0.568182
Left 6 0 11 0 15 1 12 0 45 0.703125
Southbound Through 9 0 5 0 8 0 11 0 33 0.75 Volume 60 27 89
Right 3 0 5 0 4 0 8 0 20 0.625 P.H.F. 0.88 0.68 0.86
App. Total 18 0 21 0 27 1 31 0 98 0.790323 Truck % 1.67% 0.00% 0.00%
Pct Trucks 0.00
0.00
3.57
0.00 1.020408
Intersection Volume 570 2 573 3 648 2 607 4 2409 0.926538
Intersection Pct Trucks 0.35 0.52 0.31 0.65 0.456621