Historic Trend of Traffic
Year Car L/Rover S/Bus L/Bus S/Truck M/Truck H/Truck
Truck
&
Trailer
Total
2004 0 3 0 0 2 2 13 44 64
2005 0 4 0 0 2 3 14 45 68
2006 0 7 0 1 4 3 18 51 84
2007 0 6 1 1 6 4 19 57 94
2008 0 5 1 1 4 4 19 59 93
2009 0 6 2 1 6 4 20 67 106
2010 0 8 4 1 5 3 21 68 110
2011 0 8 5 1 7 5 22 69 117
2012 0 9 5 1 8 6 24 74 127
2013 0 11 6 2 9 10 26 76 140
Seasonal Traffic Count
Year Cycle Car L/Rover S/Bus L/Bus S/Truck M/Truck H/Truck
Truck
&
Trailer
Total
2009
1st 0 5 2 0 4 2 17 60 90
2nd 0 7 2 1 8 6 22 72 118
3rd 0 6 1 1 6 3 20 70 107
2010
1st 0 6 2 1 4 3 20 62 98
2nd 0 9 4 1 8 5 21 75 123
3rd 0 9 7 2 3 3 21 68 113
2011
1st 0 8 3 1 4 3 20 65 104
2nd 0 9 5 1 9 5 22 78 129
3rd 0 8 7 2 7 5 23 65 117
2012
1st 0 8 5 1 5 4 20 66 109
2nd 0 10 5 1 10 6 28 81 141
3rd 0 9 5 2 8 6 25 74 129
2013
1st 0 11 4 1 6 9 21 65 117
2nd 0 13 5 2 13 11 31 83 158
3rd 0 10 9 2 9 10 27 79 146
Traffic Count
Car
Land
Rover
Small
Bus
Medium
Bus
Large
Bus
Small
Truck
Medium
Truck
Heavy
Truck
Truck
&
Trailer Total
19-02-
14 0 31 6 24 3 0 40 14 4 122
20-02-
14 0 46 0 35 15 0 17 23 10 146
21-02-
14 0 46 5 39 17 0 22 23 11 163
*22-
02-14
0 39 3 34 14 0 29 33 10 162
0 6 1 5 0 0 3 1 2 18
23-02-
14 0 42 3 25 25 0 11 30 7 143
24-02-
14 0 41 0 26 19 0 34 21 17 158
*25-
02-14
0 20 2 46 18 0 44 40 22 192
0 6 1 5 0 0 8 1 4 25
Base year AADT
Car
Land
Rover
Small
Bus
Mediu
m Bus
Large
Bus
Small
Truck
Mediu
m Truck
Heavy
Truck
Truck
&
Trailer Total
Day
time
ADT 0 38 3 33 16 0 28 26 12 155
NF WE 0 1.15 1.33 1.15 1.00 0.00 1.10 1.03 1.20
NF WD 0 1.30 1.50 1.11 1.00 0.00 1.18 1.03 1.18
NF 0 1.26 1.45 1.12 1.00 0.00 1.16 1.03 1.19
ADT 0 48 4 37 16 0 33 27 14 177
SAF 0 0.88 1.03 1.00 1.00 0.72 0.80 0.92 0.91
AADT 0 42 4 37 16 0 26 25 12 162
Traffic Forecast for 20 years
Car
Land
Rover
Small
Bus
Medium
Bus
Large
Bus
Small
Truck
Medium
Truck
Heavy
Truck
Truck &
Trailer Total
2014 0 42 4 37 16 0 26 25 12 162
2018 0 57 6 50 22 0 35 34 17 220
2019 0 61 6 54 23 0 38 36 18 237
2020 0 83 8 73 32 0 52 49 25 323
2021 0 90 9 79 34 0 56 53 27 349
2022 0 123 12 108 47 0 76 73 37 474
2023 0 132 13 116 50 0 83 78 40 512
2024 0 180 18 158 68 0 112 107 54 697
2025 0 194 19 171 74 0 121 115 58 753
2026 0 265 26 232 101 0 165 157 79 1024
2027 0 286 28 251 109 0 178 169 86 1106
2028 0 389 38 341 148 0 243 230 116 1505
2029 0 420 41 369 160 0 262 249 126 1625
2030 0 571 56 501 217 0 356 338 171 2211
2031 0 617 60 542 234 0 385 365 185 2388
2032 0 839 82 737 319 0 524 497 251 3249
2033 0 906 89 796 344 0 566 537 272 3509
2034 0 1233 121 1083 469 0 769 730 369 4774
2035 0 1332 130 1169 506 0 831 789 399 5156
2036 0 1812 177 1591 689 0 1131 1073 543 7015
2037 0 1956 191 1718 744 0 1221 1159 586 7576
Axle load SurveyLarge Bus
Axle 1 Axle 2
3578 5560
4287 6527
3545 5926
4465 5694
4280 5517
3680 5215
4113 5001
4134 6844
4106 5092
4409 6817
Small Truck
Axle 1 Axle 2
2930 3577
2456 3978
2071 3335
2850 3939
2572 3104
2448 3994
2512 3902
2950 3559
2185 3848
3000 3937
Medium Truck
Axle 1 Axle 2
5316 6525
5101 6699
5529 6727
5852 6931
5207 6251
5905 6835
5107 6703
5497 6895
5612 6581
5080 6693
Heavy Truck
Single Tandem
Axle 1 Axle 2 Axle 3
6983 10657 9750
7169 10399 9598
6978 10237 10244
7402 9342 9639
6262 10043 9045
6035 10561 10382
6079 10698 9043
6404 9150 10902
7877 10640 10056
7809 9356 10170
Truck Trailer
Single Front Tandem Single Trailer Tandem Trailer
Axle 1 Axle 2 Axle 3 Axle 4 Axle 5 Axle 6
6624 8265 8187 9112 10278 8089
6210 8185 9997 10601 8323 8500
6929 8654 8851 10846 10298 10959
6874 10073 10310 10329 10495 8495
6144 8647 9347 8591 8180 8846
6581 8454 9003 10703 8784 9846
6694 10200 9220 8425 8226 9300
6745 9654 10729 9897 8177 9905
6044 9327 9071 8701 9799 10421
6827 9463 8305 8450 8865 9784
Truck Factor Using ERA method
Large Bus
Axle 1 Axle 2 EF1 EF2 TF
3578 5560 0.024478 0.177922 0.2024
4287 6527 0.055219 0.366105 0.421323
3545 5926 0.023478 0.23704 0.260518
4465 5694 0.066312 0.198049 0.264361
4280 5517 0.054814 0.171814 0.226628
3680 5215 0.027779 0.133364 0.161143
4113 5001 0.045826 0.110446 0.156272
4134 6844 0.046888 0.453199 0.500087
4106 5092 0.045476 0.119782 0.165258
4409 6817 0.062651 0.445209 0.50786
0.286585
Small Truck
Axle 1 Axle 2
2930 3577 0.009961 0.024447 0.034408
2456 3978 0.004502 0.039435 0.043938
2071 3335 0.00209 0.017837 0.019927
2850 3939 0.008794 0.037725 0.046519
2572 3104 0.005541 0.012913 0.018455
2448 3994 0.004437 0.040154 0.044591
2512 3902 0.004983 0.036157 0.041139
2950 3559 0.010271 0.023898 0.034169
2185 3848 0.00266 0.033959 0.036619
3000 3937 0.011077 0.037639 0.048717
0.036848
Truck Factor Using ERAMedium Truck
Axle 1 Axle 2
5316 6525 0.145387 0.3656 0.510988
5101 6699 0.120738 0.411566 0.532304
5529 6727 0.173502 0.419364 0.592865
5852 6931 0.224008 0.479707 0.703715
5207 6251 0.132446 0.301417 0.433862
5905 6835 0.233283 0.450524 0.683807
5107 6703 0.121378 0.412673 0.534051
5497 6895 0.169029 0.468596 0.637624
5612 6581 0.185534 0.379934 0.565468
5080 6693 0.118517 0.40991 0.528427
0.572311
Heavy Truck
Single Tandem
Axle 1 Axle 2 Axle 3
6983 10657 9750 0.496116 3.324694 2.227999 6.048809
7169 10399 9598 0.558416 2.977532 2.075906 5.611854
6978 10237 10244 0.49452 2.774415 2.782962 6.051897
7402 9342 9639 0.64486 1.838119 2.11611 4.599089
6262 10043 9045 0.303811 2.54554 1.589399 4.438749
6035 10561 10382 0.257301 3.19203 2.95569 6.405022
6079 10698 9043 0.265851 3.382641 1.587818 5.236311
6404 9150 10902 0.336067 1.67413 3.682749 5.692945
7877 10640 10056 0.853136 3.300894 2.560401 6.714431
7809 9356 10170 0.820491 1.850548 2.693634 5.364672
5.616378
Truck Factor Using ERA
EF1 EF2 EF3 EF4 EF5 EF6 TF
0.391233 1.059222 1.014976 1.64307 2.82477 0.961437 7.894709
0.292622 1.013861 2.493492 3.246796 1.093085 1.201654 9.341509
0.479084 1.302778 1.44165 3.598384 2.849589 3.770192 13.44168
0.462208 2.579937 2.864562 2.888395 3.103239 1.198476 13.09682
0.278885 1.298042 1.84255 1.26064 1.011077 1.437989 7.129183
0.379934 1.172666 1.556456 3.389762 1.393188 2.328432 10.22044
0.410185 2.729575 1.732541 1.154673 1.036916 1.801223 8.865113
0.424437 2.130969 3.426975 2.383199 1.009409 2.39188 11.76687
0.259033 1.824875 1.610062 1.334921 2.278831 3.005983 10.31371
0.448156 1.947709 1.082487 1.170171 1.45194 2.263176 8.363638
10.04337
Truck Factor Using AASHTO
Large Bus
EF1 EF2 TF
0.032335 0.206975 0.23931
0.069145 0.403907 0.473051
0.031106 0.270328 0.301434
0.082097 0.228721 0.310818
0.068669 0.200335 0.269005
0.036374 0.158088 0.194462
0.058061 0.132489 0.19055
0.05932 0.49106 0.55038
0.057645 0.142959 0.200604
0.077837 0.483152 0.560989
0.32906
Small Truck
EF1 EF2
0.014113 0.032297 0.04641
0.006885 0.050448 0.057333
0.003499 0.024111 0.02761
0.012597 0.048399 0.060996
0.008294 0.017902 0.026195
0.006795 0.051307 0.058103
0.007539 0.046516 0.054055
0.014513 0.031623 0.046136
0.00432 0.043869 0.04819
0.015553 0.048296 0.063849
0.048888
Medium Trucks
EF1 EF2
0.171388 0.403396 0.574783
0.144027 0.449667 0.593694
0.202172 0.457456 0.659628
0.256495 0.517173 0.773668
0.157069 0.337686 0.494755
0.266348 0.488414 0.754762
0.144743 0.450773 0.595516
0.197302 0.50625 0.703551
0.215222 0.417891 0.633113
0.141543 0.44801 0.589553
0.637302
Truck Factor Using AASHTO
Heavy Trucks
EF1 Ef2
0.533249 2.562418 3.095667
0.593686 2.372079 2.965765
0.531688 2.597858 3.129546
0.676095 1.942706 2.618801
0.340162 1.98518 2.325342
0.291698 2.826813 3.118511
0.300668 2.258306 2.558974
0.373327 2.397026 2.770353
0.868627 2.702744 3.571371
0.838961 2.165702 3.004663
2.915899
Truck Trailers
EF1 EF2 EF3 EF4 TF
0.429276 1.11088 1.542777 1.710969 4.793902
0.328574 1.645058 2.752211 1.213431 5.939275
0.516562 1.418735 2.999496 2.990163 7.924956
0.499955 2.550996 2.494664 1.946254 7.491869
0.314287 1.579889 1.225712 1.272232 4.39212
0.417891 1.403554 2.853365 1.80776 6.482571
0.448286 2.121021 1.135 1.425411 5.129719
0.462514 2.550996 2.120603 1.610168 6.744281
0.293517 1.722188 1.288507 2.474348 5.77856
0.48607 1.503924 1.148354 1.814894 4.953243
5.96305
Truck Factor Using AASHTO
Cumulative Number of VehiclesTotal
Vehicles 0 4213851 411967 3700197 1601871 0 2629950 2496587 1262615
Lane
Distibution
Factor 1 1 1 1 1 1 1 1 1
Directional
Distributio
n Factor 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Total veh.
Per lane 0 2106926 205983 1850099 800935.6 0 1314975 1248294 631307
TF (ERA) 0 0 0 0 0.286585 0 0.5723 5.616378 10.0433
TF
(AASHTO) 0 0 0 0 0.32906 0 0.6373 2.915899 5.96305
ESA 0 0 0 0 229536.1 0 752575 7010888 6340451 14333450
W18 0 0 0 0 263556.2 0 838037 3639898 3764517 8506008
Subgrade Strength
station CBR at 2.54 station CBR at 2.54
0+000 5 15+000 23
1+000 6 16+000 26
2+000 9 17+000 21
3+000 7 18+000 19
4+000 7 19+000 22
5+000 10 20+000 31
6+000 10 21+000 22
7+000 10 22+000 4
8+000 10 23+000 16
9+000 5 24+000 24
10+000 7 25+000 32
11+000 7 26+000 16
12+000 5 27+000 25
13+000 9 28+000 16
14+000 8 29+000 26
15+000 8 30+000 29
Station 0+000-Station 15+000
0
2
4
6
8
10
12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Material CostMATERIAL Thickness RELATIVE UNIT
COST
Asphalt Concrete 5 cm thick 0.33
15 cm thick 0.87
Bituminous stabilized
roadbase
20cm thick 1
Crushed stone roadbase 15cm thick 0.56
25cm thick 0.9
Cement stabilized
roadbase, 4 MPa
15cm thick 0.81
Cement stabilized
roadbase, 2.5 MPa
12.5cm thick 0.73
22.5cm thick 0.91
Granular subbase 20cm thick 0.29
15cm thick 0.39
Select fill 10cm thick 0.13
15cm thick 0.29
DBST 0.21
Relative Cost for each alternative using ERA method
MATERIAL Thickness RELATIVE
UNIT COST
Alt 1 Alt 2 Alt 3 Alt 4 Alt 5
Asphalt Concrete 5 cm thick 0.33 0.33 0.33
15 cm thick 0.870.73 0.73
Bituminous stabilized
roadbase
20cm thick 1
0.88
Crushed stone roadbase 15cm thick 0.560.56 0.56 0.56 0.56
25cm thick 0.9
Cement stabilized
roadbase, 4 MPa
15cm thick 0.81
0.68 0.68
Cement stabilized
roadbase, 2.5 MPa
12.5cm thick 0.730.88 0.73
22.5cm thick 0.911.01
Granular subbase 20cm thick 0.290.34 0.34
25cm thick 0.39
Select fill 10cm thick 0.13
15cm thick 0.290.29 0.29 0.68 0.68 0.68
DBST - 0.21 0.21
2.61 2.59 2.30 2.97 2.22
