U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
| REPORT |
| This report is an archived publication and may contain dated technical, contact, and link information |
|
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| Publication Number: FHWA-HRT-14-057 Date: February 2018 |
Publication Number: FHWA-HRT-14-057 Date: February 2018 |
Table 31 through table 33 describe the variables obtained for each State.
Table 31. HSIS data obtained for California.
| Name | Description | File |
|---|---|---|
| AADT | Annual average daily traffic | Road |
| ACCESS | Access control | Road |
| BEGMP | Beginning milepost | Road |
| CNTYRTE | County route number | Road |
| CURB1 | Curb and landscape | Road |
| DESG_SPD | Design speed | Road |
| DISTRICT | District | Road |
| ENDMP | Ending milepost | Road |
| FUNC_CLS | Functional classification | Road |
| HWY_GRP | Highway group | Road |
| LANEWID | Average lane width | Road |
| LSHL_WD2 | Left shoulder width road 2 | Road |
| LSHLDWID | Left shoulder width road 1 | Road |
| MED_TYPE | Median type | Road |
| MEDWID | Median width | Road |
| NO_LANES | Number of lanes | Road |
| PAV_WDL | Left paved shoulder width road 1 | Road |
| PAV_WDL2 | Left paved shoulder width road 2 | Road |
| PAV_WDR2 | Right paved shoulder width road 2 | Road |
| PSMILPRF | Post-mile prefix | Road |
| RO_SEQ | Route order sequence | Road |
| RODWYCLS | Roadway class | Road |
| RSHL_WD2 | Right shoulder width road 2 | Road |
| RSHLDWID | Right shoulder width road 1 | Road |
| RTE_NBR | Route number | Road |
| RTE_SUF | Roadway route suffix | Road |
| RURURB | Rural urban | Road |
| SEG_LNG | Section length | Road |
| SURF_TYP2 | Surface type road 2 | Road |
| SURF_TYP | Surface type road 1 | Road |
| SURF_WD2 | Traveled-way width road 2 | Road |
| SURF_WID | Traveled-way width road 1 | Road |
| TERRAIN | Terrain type | Road |
| TOLL | Toll and forest roads | Road |
| CASENO | Unique accident number | Vehicle |
| CAUSE | Contribution factor | Vehicle |
| CONTRIB1 | 1st associated factor | Vehicle |
| CONTRIB2 | 2nd associated factor | Vehicle |
| DIR_TRVL | Direction of travel | Vehicle |
| MISCACT1 | Preceding movement | Vehicle |
| PHYSCOND | Driver physical condition | Vehicle |
| SCHLBUS | School bus | Vehicle |
| TRK_CODE | Truck code | Vehicle |
| VEH_AT_FAULT | Vehicle at fault | Vehicle |
| VEHNO | Vehicle number | Vehicle |
| VEHTYPE | Vehicle type | Vehicle |
| ACC_DATE | Accident date | Accident |
| ACCTYPE | Accident/collision type | Accident |
| CASENO | Accident case number | Accident |
| CAUSE1 | Primary collision factor | Accident |
| CNTYRTE | County route number | Accident |
| CNTYNAME | County name | Accident |
| COUNTY | County | Accident |
| HOUR | Time of accident | Accident |
| INT_RMP | Intersection/ramp access location | Accident |
| LIGHT | Light condition | Accident |
| LOC_TYP | Location type | Accident |
| MILEPOST | Milepost | Accident |
| NUMVEHS | Number of vehicles | Accident |
| PED_ACTN | Pedestrian action | Accident |
| RD_DEF | Roadway condition | Accident |
| RODWYCLS | Roadway classification | Accident |
| RTE_NBR | Route number | Accident |
| RTE_SUF | Roadway route suffix | Accident |
| SDE_HWY | Side-of-highway | Accident |
| SEVERITY | Accident severity | Accident |
| VEH_INVL | Motor vehicles involved | Accident |
| WEATHER | Weather condition | Accident |
Table 32. HSIS data obtained for Minnesota.
| Name | Description | File |
|---|---|---|
| AADT | Annual average daily traffic | Road |
| ACCESS | Access control | Road |
| BEGMP | Beginning milepost | Road |
| COMM_ADT | Average commercial AADT | Road |
| CURB1 | Curb and landscape road 1 | Road |
| CURB2 | Curb and landscape road 2 | Road |
| DISTRICT | District | Road |
| ENDMP | Ending milepost | Road |
| FUNC_CLS | Functional classification | Road |
| INTE_CAT | Intersection category | Road |
| LANEWID | Average lane width | Road |
| LSHL_TY2 | Left shoulder type road 2 | Road |
| LSHL_TY | Left shoulder type road 1 | Road |
| LSHL_WD2 | Left shoulder width road 2 | Road |
| LSHLDWID | Left shoulder width road 1 | Road |
| MED_TYPE | Median type | Road |
| MEDWID | Median width | Road |
| NO_LANES | Number of lanes | Road |
| ONEWAY | Divided and one-way code | Road |
| RODWYCLS | Roadway class | Road |
| ROW | Right-of-way width | Road |
| RSHL_TY2 | Right shoulder type road 2 | Road |
| RSHL_TYP | Right shoulder width road 1 | Road |
| RSHL_WD2 | Right shoulder width road 2 | Road |
| RSHLDWID | Right shoulder width road 1 | Road |
| RTE_NBR | Route number | Road |
| RTE_SYS | Route system | Road |
| RTSYSNBR | Combined system/route | Road |
| SEG_LNG | Section length | Road |
| SURF_TY2 | Surface type road 2 | Road |
| SURF_TYP | Surface type road 1 | Road |
| SURF_WD2 | Surface width road 2 | Road |
| SURF_WID | Surface width road 1 | Road |
| URB_MNC | Urban/municipal code | Road |
| CASENO | Unique accident number | Vehicle |
| CONTRIB1 | 1st associated factor | Vehicle |
| CONTRIB2 | 2nd associated factor | Vehicle |
| EVENT1 | Sequence of event—1 | Vehicle |
| EVENT2 | Sequence of event—2 | Vehicle |
| EVENT3 | Sequence of event—3 | Vehicle |
| MISCACT1 | Movement preceding collision | Vehicle |
| MOST_EVENT | Most harmful event | Vehicle |
| PHYSCOND | Physical condition of driver | Vehicle |
| VEH_DIR | Initial vehicle direction | Vehicle |
| VEHNO | Relative vehicle number | Vehicle |
| VEHTYPE | Type of vehicle | Vehicle |
| ACC_DATE | Accident date | Accident |
| ACCDIGM | Diagram of accident code | Accident |
| ACCTYPE | Accident/collision type | Accident |
| CASENO | Accident case number | Accident |
| COUNTY | County | Accident |
| HOUR | Time of accident | Accident |
| INTERCH | Interchange element code | Accident |
| LIGHT | Light condition | Accident |
| LOC_TYP | Location type | Accident |
| MILEPOST | Milepost | Accident |
| NUMVEHS | Number of vehicles | Accident |
| RD_CHAR1 | Road characteristics | Accident |
| RDSURF | Road surface conditions | Accident |
| RODWYCLS | Roadway classification | Accident |
| RTE_NBR | Route number | Accident |
| RTE_SYS | Route system | Accident |
| SCHLBUS | School bus involved | Accident |
| SEVERITY | Accident severity | Accident |
| SPEED | Posted speed limit | Accident |
| TRF_CNTL | Traffic control devices | Accident |
| TRVL_DIR | Travel direction | Accident |
| WEATHER | Weather condition | Accident |
Table 33. HSIS data obtained for North Carolina.
| Name | Description | File |
|---|---|---|
| AADT | Annual average daily traffic | Road |
| ACCESS | Access control | Road |
| AREATYPE | Area type | Road |
| BEGMP | Beginning milepost | Road |
| CNTYRTE | County route number | Road |
| COUNTY | County | Road |
| DHRVOL | Design hour volume | Road |
| ENDMP | Ending milepost | Road |
| FUNC_CLS | Functional classification | Road |
| LSHL_TYP | Left shoulder type | Road |
| LSHLDWID | Left shoulder width | Road |
| MED_TYPE | Median type | Road |
| MEDWID | Median width | Road |
| NO_LANES | Number of lanes | Road |
| PCT_TRK | Percentage truck | Road |
| PEAK_TRK | Percent commercial vehicles in peak | Road |
| RODWYCLS | Roadway class | Road |
| ROW | Right of way | Road |
| RSHL_TYP | Right shoulder type | Road |
| RSHLDWID | Right shoulder width | Road |
| RTE_NBR | Route number | Road |
| SEG_LNG | Section length | Road |
| SPD_LIMT | Speed limit | Road |
| SURF_TYP | Surface type | Road |
| SURF_WID | Surface width | Road |
| TERRAIN | Terrain type | Road |
| TRK_RTE | Truck route | Road |
| TRNLNWD | Turn lane width | Road |
| URB_POP | Rural/urban by population | Road |
| WTDSGSPD | Weighted design speed | Road |
| ACC_DATE | Accident date | Accident |
| ACCTYPE | Accident/collision type | Accident |
| CASENO | Accident case number | Accident |
| CNTYRTE | County route number | Accident |
| DEVELOP | Development amount | Accident |
| FRMRD_CL | From road class | Accident |
| LIGHT | Light condition | Accident |
| LOC_TYPE | Accident location type | Accident |
| MILEPOST | Milepost | Accident |
| NUMVEHS | Number of vehicles | Accident |
| POP_GRP | Urban/rural codes | Accident |
| RD_CHAR1 | Road alignment | Accident |
| RD_CONF | Road configuration | Accident |
| RDSURF | Surface condition | Accident |
| RTE_NBR | Route number | Accident |
| SEVERITY | Accident severity | Accident |
| TRF_CNTL | Traffic control | Accident |
| WEATHER | Weather condition | Accident |
| BODY | Cargo body type | Vehicle |
| CONTRIB | Contributing factors | Vehicle |
| DIR_TRVL | Direction of travel | Vehicle |
| EVENT | Sequence of events | Vehicle |
| MANEUVER | Vehicle maneuver | Vehicle |
| PEDACT | Pedestrian action | Vehicle |
| PHYSCOND | Driver condition | Vehicle |
| SCH_BUS | School bus involved | Vehicle |
| SPDLIM | Posted speed limit | Vehicle |
| VEHNO | Vehicle number | Vehicle |
| VEHTYPE | Vehicle type | Vehicle |
| VISION | Vision obstruction | Vehicle |
