Generally, these data are intented for small scale (1:24,000 and smaller) natural resource management and planning applications. It is strongly recommended that these data be aquired directly from the U.S. Bureau of Land Management and not indirectly through some other source which may have changed the data. It is also strongly recommended that careful attention be paid to the content of the metadata file associated with these data. Users are cautioned that digitial enlargement of these data to scales larger than that at which they where originally mapped can cause misinterpretation. Users are further cautioned that these data and interpretations derived from them do not eliminate the need for onsite survey and evaluation of specific sites for intensive uses.
The U.S. Bureau of Land Management should be cited as the data source in any products derived from these data.
RDSLLLlllAX.AAT: arc attribute table.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 FNODE# 4 5 B -
5 TNODE# 4 5 B -
9 LPOLY# 4 5 B -
13 RPOLY# 4 5 B -
17 LENGTH 8 18 F 5
25 RDSLLLlllAX# 4 5 B -
29 RDSLLLlllAX-ID 4 5 B -
33 MAJOR1 6 6 I -
39 MINOR1 6 6 I -
45 MAJOR2 6 6 I -
51 MINOR2 6 6 I -
57 MAJOR3 6 6 I -
63 MINOR3 6 6 I -
69 MAJOR4 6 6 I -
75 MINOR4 6 6 I -
81 COORD_SOURCE 20 20 C -
The Major / Minor pairs (1-4) are the original USGS DLG codes for the
DLG transportation data. Coord_source is an item which contains the
original source of the coordinates for the arcs: in this case, 100k
DLGs.
RDSL42124AX.RATCOUNTY: route attribute table for county roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 COUNTY# 4 5 B -
5 COUNTY-ID 4 5 B -
9 ROUTE_DES 5 5 C -
Route_des is the designation of the route (name or, more likely,
the county route number).
RDSL42124AX.RATCROSSING_TYPE: route attribute table for route intersections.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 CROSSING_TYPE# 4 5 B -
5 CROSSING_TYPE-ID 4 5 B -
9 CROSSING_TYPE 12 12 C -
Crossing_type is the kind of crossing: overpass, underpass, intersection, etc.
RDSL42124AX.RATINTERCHANGE: route attribute table for road interchanges.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 INTERCHANGE# 4 5 B -
5 INTERCHANGE-ID 4 5 B -
9 INTERCHANGE_CODE 1 1 C -
Interchange_code indicates the prescence or abscence of an interchange
at an arc intersection, and what kind of interchange it is.
RDSL42124AX.RATINTERSTATE: route attribute table for interstate highways.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 INTERSTATE# 4 5 B -
5 INTERSTATE-ID 4 5 B -
9 ROUTE_DES 5 5 C -
Rout_des is the route number and / or name for the route (route designation).
RDSL42124AX.RATLANE_DIVISION: route attribute table for divided highways.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 LANE_DIVISION# 4 5 B -
5 LANE_DIVISION-ID 4 5 B -
9 DIVISION_TYPE 20 20 C -
Division_type is a dscription of how the lanes are divided (median, barrier, etc.)
RDSL42124AX.RATNUMBER_LANE: route attribute table for the number of lanes in
multi-lane roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 NUMBER_LANE# 4 5 B -
5 NUMBER_LANE-ID 4 5 B -
9 NO_OF_LANES 2 2 I -
No_of_lanes is an integer which is the value of the number of lanes in a multi-lane road.
RDSL42124AX.RATRESERVATION: route attribute table for (Indian) reservation roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 RESERVATION# 4 5 B -
5 RESERVATION-ID 4 5 B -
9 ROUTE_DES 5 5 C -
Route_des is the route number and / or name for the reservation road.
RDSL42124AX.RATSTATE: route attribute table for State roads (routes).
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 STATE# 4 5 B -
5 STATE-ID 4 5 B -
9 ROUTE_DES 5 5 C -
Route_des is the route number / name for a State road.
RDSL42124AX.RATTRAVEL_CLASS: route attribute table for road travel classes.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 TRAVEL_CLASS# 4 5 B -
5 TRAVEL_CLASS-ID 4 5 B -
9 TRAVEL_CLASS_ID 1 1 I -
Travel_class_id contains the USGS DLG travel class code. Values are between
1 and 9.
RDSL42124AX.RATUS: route attribute table for US (Federal) roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 US# 4 5 B -
5 US-ID 4 5 B -
9 ROUTE_DES 5 5 C -
Route_des is the Federal route number for the road.
RDSL42124AX.SECCOUNTY: route section table for County roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 COUNTY# 4 5 B -
29 COUNTY-ID 4 5 B -
All items in all route section tables are ArcInfo system items for a route section table.
RDSL42124AX.SECCROSSING_TYPE: route section table for crossing type.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 CROSSING_TYPE# 4 5 B -
29 CROSSING_TYPE-ID 4 5 B -
RDSL42124AX.SECINTERCHANGE: route section table for interchanges.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 INTERCHANGE# 4 5 B -
29 INTERCHANGE-ID 4 5 B -
RDSL42124AX.SECINTERSTATE: route section table for interstate roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 INTERSTATE# 4 5 B -
29 INTERSTATE-ID 4 5 B -
RDSL42124AX.SECLANE_DIVISION: route section table for roads with divided lanes.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 LANE_DIVISION# 4 5 B -
29 LANE_DIVISION-ID 4 5 B -
RDSL42124AX.SECNUMBER_LANE: route section table for roads with multiple lanes.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 NUMBER_LANE# 4 5 B -
29 NUMBER_LANE-ID 4 5 B -
RDSL42124AX.SECRESERVATION: route section table for reservation roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 RESERVATION# 4 5 B -
29 RESERVATION-ID 4 5 B -
RDSL42124AX.SECSTATE: route section table for State roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 STATE# 4 5 B -
29 STATE-ID 4 5 B -
RDSL42124AX.SECTRAVEL_CLASS: route section table for travel class.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 TRAVEL_CLASS# 4 5 B -
29 TRAVEL_CLASS-ID 4 5 B -
RDSL42124AX.SECUS: route section table for US (Federal) roads.
COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
1 ROUTELINK# 4 5 B -
5 ARCLINK# 4 5 B -
9 F-MEAS 4 12 F 3
13 T-MEAS 4 12 F 3
17 F-POS 4 12 F 3
21 T-POS 4 12 F 3
25 US# 4 5 B -
29 US-ID 4 5 B -