Comprehensive Truck Size and Weight Limits Study - 2014 CTWS Study Analysis of Stakeholder Input Events #1, 2, 3 and 4 Comments
Appendix A - CTSW Vehicle Classification Algorithm for Use in Analyzing WIM Data
LTPP Classification Scheme, January 2013
| CTSW Class |
FHWA 13 Classes |
Vehicle Type |
No. Ax |
Spacing 1 |
Spacing 2 |
Spacing 3 |
Spacing 4 |
Spacing 5 |
Spacing 6 |
Spacing 7 |
Spacing 8 |
Spacing 9 |
Spacing 10 |
Spacing 11 |
Spacing 12 |
Spacing 13 |
GVW Range |
min |
max |
| aw1 |
aw2 |
aw3, 3/4 |
| 1 |
1 |
Motorcycle |
2 |
1.00 |
5.99 |
|
|
|
|
|
|
|
|
|
|
|
|
0.10 |
3.00 |
|
|
|
| 1 |
2 |
Passenger Car |
2 |
6.00 |
10.10 |
1.00 |
7.99 |
| 2 |
3 |
Pickup / Van |
2 |
10.10 |
23.09 |
2.00 |
7.99 |
| 27 |
4 |
Bus 2 ax |
2 |
23.10 |
40.00 |
12.00 |
999.00 |
| 3 |
5 |
SU2 |
2 |
6.00 |
23.09 |
8.00 |
999.00 |
2.50 |
| 28 |
4 |
Bus 3 ax |
3 |
23.10 |
40.00 |
3.00 |
7.00 |
20.00 |
999.00 |
2.50 |
| 3 |
5 |
SU2 w/ 1 ax tr |
3 |
6.00 |
23.09 |
6.30 |
15.99 |
10.00 |
49.99 |
2.50 |
| 4 |
6 |
SU3 |
3 |
6.00 |
23.09 |
2.50 |
6.29 |
12.00 |
999.00 |
3.50 |
| 6 |
8 |
2S1 |
3 |
6.00 |
23.09 |
16.00 |
45.00 |
16.00 |
999.00 |
3.50 |
| 3 |
5 |
SU2 w/ 2 ax tr |
4 |
6.00 |
23.09 |
6.30 |
15.99 |
1.00 |
6.29 |
12.00 |
49.99 |
2.50 |
2.50 |
14.00 |
| 4 |
6 |
SU3 w/ 1 ax tr |
4 |
6.00 |
23.09 |
2.50 |
6.29 |
6.30 |
15.99 |
12.00 |
999.00 |
3.50 |
2.50 |
7.00 |
| 5 |
7 |
SU4 |
4 |
6.00 |
23.09 |
2.50 |
6.29 |
2.50 |
12.99 |
20.00 |
999.00 |
3.50 |
2.50 |
|
| 7 |
8 |
3S1 |
4 |
6.00 |
26.00 |
2.50 |
6.29 |
16.00 |
50.00 |
20.00 |
999.00 |
5.00 |
2.50 |
| 7 |
8 |
2S2 |
4 |
6.00 |
26.00 |
8.00 |
45.00 |
2.50 |
6.29 |
20.00 |
999.00 |
5.00 |
2.50 |
| 13 |
|
CT4 |
4 |
6.00 |
26.00 |
6.30 |
11.99 |
6.30 |
26.00 |
20.00 |
999.00 |
3.50 |
2.50 |
| 14 |
5 |
CT3-2 |
5 |
6.00 |
23.09 |
2.50 |
6.29 |
6.30 |
14.00 |
12.00 |
26.00 |
20.00 |
999.00 |
3.50 |
2.50 |
| 14 |
5 |
CT2-3 |
5 |
6.00 |
23.09 |
6.30 |
14.00 |
12.00 |
26.00 |
2.50 |
6.29 |
20.00 |
999.00 |
3.50 |
2.50 |
| 5 |
7 |
SU5 |
5 |
6.00 |
23.09 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
15.00 |
20.00 |
999.00 |
3.50 |
2.50 |
| 8 |
9 |
3S2 |
5 |
6.00 |
26.00 |
2.50 |
6.29 |
6.30 |
54.00 |
2.50 |
6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 9 |
9 |
3S2S |
5 |
6.00 |
26.00 |
2.50 |
6.29 |
6.30 |
52.00 |
6.30 |
20.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 9 |
9 |
2S3 |
5 |
6.00 |
26.00 |
16.00 |
45.00 |
2.50 |
6.30 |
2.50 |
6.30 |
20.00 |
999.00 |
5.00 |
3.00 |
| 19 |
11 |
2S1-2 |
5 |
6.00 |
26.00 |
11.00 |
26.00 |
6.00 |
20.00 |
11.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 5 |
7 |
SU6 |
6 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
15.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 11 |
10 |
4S2 |
6 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
6.30 |
45.00 |
2.50 |
10.99 |
|
| 10 |
10 |
3S3 |
6 |
6.00 |
26.00 |
2.50 |
6.29 |
26.00 |
50.00 |
2.50 |
6.29 |
2.50 |
6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 11 |
10 |
3S3S |
6 |
6.00 |
26.00 |
2.50 |
6.29 |
15.00 |
34.00 |
6.30 |
15.00 |
2.50 |
6.29 |
|
| 20 |
12 |
3S1-2 |
6 |
6.00 |
26.00 |
2.50 |
6.29 |
15.00 |
25.99 |
6.00 |
20.00 |
15.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 15 |
10 |
CT3-3 |
6 |
6.00 |
26.00 |
2.50 |
6.29 |
6.30 |
14.99 |
2.50 |
11.99 |
2.50 |
32.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 15 |
|
CT2-4 |
6 |
6.00 |
26.00 |
6.30 |
124.00 |
0.10 |
124.00 |
0.10 |
124.00 |
0.10 |
124.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 5 |
7 |
SU7 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
15.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 16 |
10 |
CT4-3 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
6.30 |
14.99 |
2.50 |
10.99 |
2.50 |
10.99 |
20.00 |
999.00 |
5.00 |
3.00 |
| 12 |
10 |
4S3 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
15.00 |
33.99 |
2.50 |
6.29 |
2.50 |
6.29 |
|
| 16 |
10 |
CT3-4 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
6.30 |
14.99 |
2.50 |
11.99 |
2.50 |
10.99 |
2.50 |
10.99 |
20.00 |
999.00 |
5.00 |
3.00 |
| 12 |
10 |
3S4 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
15.00 |
33.99 |
2.50 |
11.99 |
2.50 |
6.29 |
2.50 |
6.29 |
|
| 21 |
13 |
3S2-2 (RMD) |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
48.00 |
2.50 |
6.29 |
6.00 |
20.00 |
11.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 21 |
13 |
3S1-3 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
32.00 |
6.00 |
20.00 |
11.00 |
26.00 |
2.50 |
6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 21 |
13 |
3S1-3 |
7 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
32.00 |
6.00 |
20.00 |
2.50 |
6.29 |
11.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 16 |
10 |
CT2-5 |
7 |
6.00 |
26.00 |
6.30 |
13.99 |
0.10 |
124.00 |
0.10 |
124.00 |
0.10 |
124.00 |
0.10 |
124.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 24 |
13 |
TS7 |
7 |
6.00 |
26.00 |
14.00 |
26.00 |
6.00 |
20.00 |
16.00 |
26.00 |
6.00 |
20.00 |
16.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 25 |
13 |
TS8 |
8 |
6.00 |
26.00 |
2.50 |
6.29 |
16.00 |
26.00 |
6.00 |
20.00 |
16.00 |
26.00 |
6.00 |
20.00 |
16.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 22 |
13 |
3S2-3 |
8 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
48.00 |
2.50 |
6.29 |
6.00 |
20.00 |
11.00 |
26.00 |
2.50 |
6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 22 |
13 |
3S2-3 |
8 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
48.00 |
2.50 |
6.29 |
6.00 |
20.00 |
2.50 |
6.29 |
11.00 |
26.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 22 |
13 |
3S3-2 |
8 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
48.00 |
2.50 |
6.29 |
2.50 |
6.29 |
6.00 |
20.00 |
11.00 |
26.00 |
|
| 17 |
10 |
CT3-5 |
8 |
6.00 |
26.00 |
2.50 |
6.29 |
6.10 |
26.00 |
2.50 |
11.99 |
2.50 |
10.99 |
2.50 |
10.99 |
2.50 |
15.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 17 |
10 |
CT4-4 |
8 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
6.10 |
26.00 |
2.50 |
10.99 |
2.50 |
10.99 |
2.50 |
15.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 18 |
10 |
CT4-5 |
9 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
6.10 |
26.00 |
2.50 |
11.99 |
2.50 |
10.99 |
2.50 |
10.99 |
2.50 |
15.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 18 |
10 |
CT5-4 |
9 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
2.50 |
6.29 |
6.10 |
26.00 |
2.50 |
10.99 |
2.50 |
10.99 |
2.50 |
15.00 |
20.00 |
999.00 |
5.00 |
3.00 |
| 26 |
13 |
TS9 |
9 |
6.00 |
26.00 |
2.50 |
6.29 |
14.00 |
26.00 |
6.00 |
20.00 |
sp4:sp8 60 to 75, sp5 or sp6 or sp7 or sp8 < 6.3, all others 6 to 26, at least 2 > 14 and < 22 |
20.00 |
999.00 |
5.00 |
3.00 |
| 23 |
13 |
3S2-4 (TPD) |
9 |
6.00 |
26.00 |
2.50 |
6.29 |
11.00 |
48.00 |
2.50 |
6.29 |
6.00 |
20.00 |
2.50 |
6.29 |
11.00 |
48.00 |
2.50 |
6.29 |
|
20.00 |
999.00 |
5.00 |
3.00 |
| 18 |
13 |
CT4-6 |
10 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
1 or 2 others > 6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 18 |
13 |
CT5-5 |
10 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
1 or 2 others > 6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 23 |
13 |
3S3-4 |
10 |
6.00 |
26.00 |
2.50 |
6.29 |
14.00 |
45.00 |
2.50 |
6.29 |
2.50 |
6.29 |
8.00 |
11.00 |
2.50 |
6.29 |
14.00 |
45.00 |
2.50 |
6.29 |
20.00 |
999.00 |
5.00 |
3.00 |
| 26 |
13 |
TS10 |
10 |
6.00 |
26.00 |
2.50 |
6.29 |
|
sp3:sp9 85 to 100, at least 2 sp4 to 9 < 6.3, at least 3 > 14 and < 22, at least 4 > 6.3 |
|
20.00 |
999.00 |
5.00 |
|
| 18 |
13 |
CT5-6, etc. |
11 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
1 or 2 others > 6.29 |
|
| 23 |
13 |
3S4-4 |
11 |
6.00 |
26.00 |
2.50 |
6.29 |
6.30 |
45.00 |
2.50 |
11.99 |
2.50 |
10.99 |
2.50 |
10.99 |
6.00 |
12.00 |
|
20.00 |
999.00 |
5.00 |
|
| 26 |
13 |
TS11 |
11 |
6.00 |
26.00 |
2.50 |
6.29 |
|
sp3:sp10 85 to 100, at least 3 sp3 to 10 < 6.3, at least 3> 14, at least 4 > 6.3 |
20.00 |
999.00 |
5.00 |
| 18 |
13 |
CT6-6, etc. |
12 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
1 or 2 others > 6.29 |
|
| 26 |
13 |
TS12 |
12 |
6.00 |
26.00 |
2.50 |
6.29 |
|
sp3:sp11 85 to 100, at least 3 sp3 to 10 < 6.3, at least 3> 14 and < 22, at least 4 > 6.3 |
| 18 |
13 |
CT6-7, etc. |
13 |
6.00 |
26.00 |
2.50 |
6.29 |
2.50 |
6.29 |
1 or 2 others > 6.29 |
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