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Federal Highway Administration >
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020.Cfm >
Appendix A. Vehicle Classification Rule Sets

Publication Number: FHWA-HRT-13-091 Date: November 2014

Publication Number: FHWA-HRT-13-091
Date: November 2014

Verification, Refinement, and Applicability of Long-Term Pavement Performance Vehicle Classification Rules

Appendix A. Vehicle Classification Rule sets

Table 38. California CALIF 4 WIM Classification Rule Set.
Class	Vehicle Description	No. of Axles	1-2 (ft)	2-3 (ft)	3-4 (ft)	4-5 (ft)	5-6 (ft)	6-7 (ft)	7-8 (ft)	8-9 (ft)	Weight (kips) Min-Max
1	Motorcycle	2	0.10-5.99	-	-	-	-	-	-	-	0.10-3.00
2	Auto, Pickup	2	6.00-9.99	-	-	-	-	-	-	-	1.00-7.99
2	Auto with 1 Axle Trlr	3	6.00-9.99	6.00-25.00	-	-	-	-	-	-	1.00-11.99
2	Auto with 2 Axle Trlr	4	6.00-9.99	6.00-25.00	1.00-11.99	-	-	-	-	-	1.00-11.99
3	Other (Limo, Van, RV)	2	10.00-22.99	-	-	-	-	-	-	-	1.00-7.99
3	Other with 1 Axle Trlr	3	10.00-16.00	6.00-25.00	-	-	-	-	-	-	1.00-11.99
3	Other with 2 Axle Trlr	4	10.00-16.00	6.00-25.00	1.00-11.99	-	-	-	-	-	1.00-11.99
3	Other with 3 Axle Trlr	5	10.00-16.00	6.00-25.00	1.00-3.49	1.00-3.49	-	-	-	-	1.00-11.99
4	Bus	2	23.00-40.00	-	-	-	-	-	-	-	12.00->
4	Bus	3	23.10-40.00	3.00-5.99	-	-	-	-	-	-	20.00->
5	2d	2	6.00-22.99	-	-	-	-	-	-	-	8.00->
5	2d with 1 Axle Trlr	3	6.00-23.09	6.00-25.00	-	-	-	-	-	-	12.00-19.99
5	2d with 2 Axle Trlr	4	6.00-23.09	6.00-25.00	1.00-11.99	-	-	-	-	-	12.00-19.99
6	3 Axle	3	6.00-23.09	3.00-5.99	-	-	-	-	-	-	12.00->
7	4 Axle	4	6.00-23.09	3.00-5.99	3.00-12.99	-	-	-	-	-	12.00->
8	2s1, 21	3	6.00-23.00	11.00-40.00	-	-	-	-	-	-	20.00->
8	3s1, 31	4	6.00-23.00	3.00-5.99	13.00-44.00	-	-	-	-	-	12.00->
8	2s2	4	6.00-23.00	11.00-44.00	3.00-11.99	-	-	-	-	-	20.00->
9	3s2	5	6.00-32.00	3.00-5.99	6.00-46.00	3.00-10.99	-	-	-	-	12.00->
10	3s3, 33	6	6.00-32.00	3.00-5.99	6.00-46.00	3.00-11.99	3.0-10.99	-	-	-	12.00->
11	2s12	5	6.00-26.00	11.00-26.00	6.00-20.00	11.00-26.00	-	-	-	-	12.00->
12	3s12	6	6.00-32.00	3.00-5.99	11.00-26.00	6.00-24.00	11.00-26.00	-	-	-	12.00->
13	2s23, 3s22, 3s13	7	6.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	-	-	12.00->
13	3s23	8	6.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	-	12.00->
13	Permit	9	6.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	3.00-45.00	12.00->
14	32	5	6.00-26.00	3.00-5.99	6.00-23.00	11.00-27.00	-	-	-	-	12.00->
15	Error and/or Unclassified		Vehicles Not Meeting Axle Configurations Set for Classifications 1 Through 14

- Indicates not applicable

Min = Minimum

Max = Maximum

Trlr = Trailer

Table 39. Florida Classification Rule Set

Class	Vehicle Type	No. of Axles	Spacing 1 to 2 (ft)	Spacing 2 to 3 (ft)	Spacing 3 to 4 (ft)	Spacing 4 to 5 (ft)	Spacing 5 to 6 (ft)	Spacing 6 to 7 (ft)	Spacing 7 to 8 (ft)	Spacing 8 to 9 (ft)	Spacing 9 to 10 (ft)	Spacing 10 to 11 (ft)	Min Axle 1 Weight for LTPP	Min-Max GVW
1	Motorcycle	2	0.1-6.0	-	-	-	-	-	-	-	-	-	-	100 >
2	Auto	2	6.01-10.0	-	-	-	-	-	-	-	-	-	-	1.0 K >
3	Other(Van, Pickup, Limo	2	10.01-13.0	-	-	-	-	-	-	-	-	-	-	1.0 K >
4	Bus	2	23.01-40.0	-	-	-	-	-	-	-	-	-	-	12.0 K >
5	2 D	2	13.31-23.0	-	-	-	-	-	-	-	-	-	-	1.0 K >
2	Auto 1 Axle Trlr	3	6.01-10.0	6.0-25.0	-	-	-	-	-	-	-	-	-	1.0 K >
3	Other with1 Axle Trlr	3	10.01-13.30	6.0-25.0	-	-	-	-	-	-	-	-	-	1.0 K >
4	Bus	3	23.01-40.0	0.1 -6.0	-	-	-	-	-	-	-	-	-	12.0 K >
5	2d with1 Axle Trlr	3	13.31-23.0	6.0-25.0	-	-	-	-	-	-	-	-	-	1.0 K >
6	3 Axle	3	6.01-23.0	0.1-5.99	-	-	-	-	-	-	-	-	-	12.0 K >
8	2S1, 21	3	6.01-23.0	11.0-40.0	-	-	-	-	-	-	-	-	-	12.0 K >
2	Auto with 2 Axle Trlr	4	6.01-10.0	6.0-25.0	0.1-6.0	-	-	-	-	-	-	-	-	1.0 K >
3	Other with 2 Axle Trlr	4	10.01-13.30	6.0-25.0	0.1-6.0	-	-	-	-	-	-	-	-	1.0 K >
5	2d with 2 Axle Trlr	4	13.31-23.0	6.0-25.0	0.1-6.0	-	-	-	-	-	-	-	-	1.0 K >
7	4 Axle	4	6.01-23.0	0.1-6.0	0.1-13.0	-	-	-	-	-	-	-	-	12.0 K >
8	3S1, 31	4	6.01-23.0	0.1-6.0	6.01-44.0	-	-	-	-	-	-	-	-	12.0 K >
8	2S2	4	6.01-23.0	11.0-40.0	0.1-10.99	-	-	-	-	-	-	-	-	12.0 K >
3	Other with 3 Axle Trlr	5	10.01-13.3	6.0-25.0	0.1-6.0	0.1-6.0	-	-	-	-	-	-	-	1.0 K >
5	2d with 3 Axle Trlr	5	13.31-23.0	6.0-25.0	0.1-6.0	0.1-6.0	-	-	-	-	-	-	-	1.0 K >
9	3S2	5	6.01-26.0	0.1-6.0	6.01-46.0	0.1-10.99	-	-	-	-	-	-	-	12.0 K >
9	32	5	6.01-26.0	0.1-6.0	6.01-23.0	11.0-27.0	-	-	-	-	-	-	-	12.0 K >
11	2S12	5	6.01-26.0	11.0-26.0	6.1-20.0	11.1-26.0	-	-	-	-	-	-	-	12.0 K >
10	3S3, 33	6	6.01-26.0	0.1-6.0	0.1-46.0	0.1-11.0	0.1-11.0	-	-	-	-	-	-	12.0 K >
12	2S12	6	6.01-26.0	0.1-6.0	11.1-26.0	6.01-24.0	11.1-26.0	-	-	-	-	-	-	12.0 K >
10	Other Class 10 Vehicles	7	6.01-16.7	0.1-6.0	13.3-40.0	0.1-13.3	0.1-13.3	0.1-13.3	-	-	-	-	-	12.0 K >
13	2S23,3S22,3S13	7	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	-	-	-	-	-	12.0 K >
13	3S23	8	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	-	-	-	-	12.0 K >
13	Permit	9	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	1.0-45.0	-	-	-	12.0 K >

- Indicates not applicable

LTPP = Long-Term Pavement Performance

GVW = Gross Vehicle Weight

Min = Minimum

Max = Maximum

Trlr = Trailer

Page Owner: Office of Research, Development, and Technology, Office of Infrastructure, RDT

Topics: Traffic loading, pavement design, long-term pavement performance
Keywords: Traffic loading, pavement design, long-term pavement performance
TRT Terms: Traffic loading, pavement design, long-term pavement performance
Scheduled Update: Archive - No Update needed

This page last modified on 01/31/2017