Skip to contentUnited States Department of Transportation - Federal Highway AdministrationSearch FHWAFeedback
Policy Information

VTRIS Documentation: Appendix

Table 1: Station Data
Old File New File
Column Width Comment Column Width Default
1 1 Record Type 1 1 S
2-3 2 State FIPS Code 2-3 2  
6-8 3 Station ID 4-9 6  
9 1 Directional of Travel 10 1  
None Lane of Travel 11 1 0
10-11 2 Year of Data 12-13 2  
4-5 2 Functional Classification 14-15 2  
None   Number of Lanes in Direction Indicated 16* 1  
None   Sample Type for Traffic Volume 17 1  
None   Number of Lanes Monitored for Traffic Volume 18 1  
None   Method of Traffic Volume Counting 19 1  
None   Sample Type for Vehicle Classification 20 1  
None   Number of Lanes Monitored for Vehicle Classification 21 1  
38 1 Method of Vehicle Classification 22* 1  
None   Algorithm for Vehicle Classification 23 1  
None   Classification System for Vehicle Classification 24-25 2 13
None   Sample Type for Truck Weight 26* 1 T
None   Number of Lanes Monitored for Truck Weight 27 1  
37 1 Method of Truck Weight 28* 1  
None   Calibration of Weighing System 29 1  
None   Method of Data Retrieval 30 1  
None   Type of Sensor 31 1  
None   Second Type of Sensor 32 1  
None   Equipment Make 33-34 2  
None   Equipment Model 35-49 15  
None   Second Equipment Make 50-51 2  
None   Second Equipment Model 52-66 15  
40-45 6 Current Directional AADT 67-72 6  
None   Matching Station ID for Previous Data 73-78 6  
34-35 2 Year Station Established 79-80 2  
None   Year Station Discontinued 81-82 2  
18-20 3 County FIPS Code 83-85 3  
None   HPMS Sample Type 86 1  
21-32 12 HPMS Sample Number or Kilometerpoints 87-98 12  
33 1 HPMS Subdivision Number 99 1  
12 1 Posted Route Signing 100 1  
13-17 5 Posted Signed Route Number 101-108 8  
None   Concurrent Route Signing 109 1  
None   Concurrent Signed Route Number 110-117 8  
46-80 35 Location of Station 118-167 50  

Old ASCII File : XXYY.2CD ("Card 2")
New ASCII File : XXYY.STA

where XX represents the State Code, YY represents the Year.

  1. Number of Lanes in Direction Indicated.

    If column 37 into Old ASCII File has a value greater 4 or column 38 into Old ASCII File has a value greater 2 then a value into New ASCII File column 16 is equal to the value into Old ASCII File column 36. Otherwise, a value into New ASCII File column 16 is equal to the blank.

  2. Method of Vehicle Classification.

    If column 38 into Old ASCII File has a value less 3 then a value into New ASCII File column 22 is equal to to the value into Old ASCII File column 38.

    If column 38 into Old ASCII File has a value equal to 3 or 4 then a value into New ASCII File column 22 is equal to 1.

    If column 38 into Old ASCII File has a value equal to 5 or 6 then a value into New ASCII File column 22 is equal to 2.

    If column 38 into Old ASCII File has a value equal to 7 or 8 then a valueinto New ASCII File column 22 is equal to 3.

  3. Sample Type for Truck Weight.

    The value in New ASCII File column 26 is equal to T if "Card 4" and "Card 7" exist.

  4. Method of Truck Weight

    If column 37 into Old ASCII File has a value less 5 then a value into New ASCII File column 28 is equal to a value into Old ASCII File column 37.

    If column 37 into Old ASCII File has a value equal to 5 or 6 then a value into New ASCII File column 28 is equal to 4.

    If column 37 into Old ASCII File has a value equal to 7 or 8 then a value into New ASCII File column 28 is equal to 5.

Table 2: Vehicle Classification Data
Old File New File
Column Weigh Comment Column Width Default
1 1 Record Type 1 1 C
2-3 2 State FIPS Code 2-3 2  
6-8 3 Station ID 4-9 6  
9 1 Direction of Travel 10 1  
51 1 Lane of Travel 11 1  
10-11 2 Year of Data 12-13 2  
12-13 2 Month of Year 14-15 2  
14-15 2 Day of Month 16-17 2  
16-17 2 Hour of Day 18-19 2  
None   Total Volume 20-24 5 Calculate
18-19 2 Class 1 Count 25-29 5  
20-23 4 Class 2 Count 30-34 5  
24-26 3 Class 3 Count 35-39 5  
27-28 2 Class 4 Count 40-44 5  
29-31 3 Class 5 Count 45-49 5  
32-33 2 Class 6 Count 50-54 5  
34-35 2 Class 7 Count 55-59 5  
36-37 2 Class 8 Count 60-64 5  
38-40 3 Class 9 Count 65-69 5  
41-42 2 Class 10 Count 70-74 5  
43-44 2 Class 11 Count 75-79 5  
45-46 2 Class 12 Count 80-84 5  
47-48 2 Class 13 Count 85-89 5  
None   Class 14 Count (if applicable) 90-94 5 0
None   Class 15 Count (if applicable) 95-99 5 0

Old ASCII File : XXYY.4CD ("Card 4")
New ASCII File : XXYY.CLA where XX represents the State Code, YY represents the Year.

Table 3: Weight Data
Old File New File
Column Width Comment Column Width Default
1 1 Record Type 1 1 W
2-3 2 State FIPS Code 2-3 2  
6-8 3 Station ID 4-9 6  
9 1 Direction of Travel 10 1  
35 1 Lane of Travel 11 1  
10-11 2 Year of Data 12-13 2  
12-13 2 Month of Year 14-15 2  
14-15 2 Day of Month 16-17 2  
16-17 2 Hour of Day 18-19 2  
18-23 6 Vehicle Class 20-21 2  
None   Vehicle Length (optional) 22-24 3  
42-45 4 Total Weight of Vehicle 25-28 4  
None   Number of Axles 29-30 2 Calculate
46-48 3 A-Axle Weight 31-33 3  
61-63 3 A-B Axle Spacing 34-36 3  
49-51 3 B-Axle Weight 37-39 3  
64-66 3 B-C Axle Spacing 40-42 3  
52-54 3 C-Axle Weight 43-45 3  
67-69 3 C-D Axle Spacing 46-48 3  
55-57 3 D-Axle Weight 49-51 3  
70-72 3 D-E Axle Spacing 52-54 3  
58-60 3 E-Axle Weight 55-57 3  
53-55* 3 E-F Axle Spacing 58-60 3  
29-31* 3 F-Axle Weight 61-63 3  
56-58* 3 F-G Axle Spacing 64-66 3  
32-34* 3 G-Axle Weight 67-69 3  
59-61* 3 G-H Axle Spacing 70-72 3  
35-37* 3 H-Axle Weight 73-75 3  
62-64* 3 H-I Axle Spacing 76-78 3  
38-40* 3 I-Axle Weight 79-81 3  
65-67* 3 I-J Axle Spacing 82-84 3  
41-43* 3 J-Axle Weight 85-87 3  
68-70* 3 J-K Axle Spacing 88-90 3  
44-46* 3 K-Axle Weight 91-93 3  
71-73* 3 K-L Axle Spacing 94-96 3  
47-49* 3 L-Axle Weight 97-99 3  
74-76* 3 L-M Axle Spacing 100-102 3  
50-52* 3 M-Axle Weight 103-105 3  

* - used from "Card 7" : Truck Weight Record - Continuation Record

Old ASCII File : XXYY.7CD ("Card 7")
New ASCII File : XXYY.WGT

where XX represents the State Code, YY represents the Year.

More Information

Contact

David Jones
Office of Highway Policy Information
202-366-5053
E-mail David

 
 
Updated: 04/04/2011
 

FHWA
United States Department of Transportation - Federal Highway Administration