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For apportionment, administrative, legislative, analytical, and national highway database purposes.
(HPMS) Highway Performance
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Data Item Value: No entry required. Available for State Use.
Data Item Text: Code all conditions that apply in either direction on either side of the section and leave blank for unreported data using the following codes:
X - No obstacles No obstacles to widening.
A Dense development
Refers to the density and size of buildings to be acquired, the number of people that would need to be relocated, and the number of businesses that would need to be acquired. (Realizing dense development may be higher in urban areas; this should not be used as on obstacle for all urban areas and should be evaluated relative to the conditions in the area where the section is located).
B
Major transportation facilities
Includes major rail lines, canals, airports, major natural gas and oil pipe lines whose location relative to the roadway section would limit expansion of the existing roadway.
C Other public facilities
Includes hospitals, museums, libraries, major public office buildings, schools, and
universities.
D Terrain restrictions
Relates to geographic features that would make it very difficult to add lanes,
requiring significant excavation, fill, or tunneling. This applies to both horizontal and
vertical terrain restrictions.
E
Historic and
archaeological sites
Includes such things as historic buildings, historic land, large monuments,
cemeteries, and known archaeological sites.
F
Environmentally
sensitive areas
Includes such areas as scenic landmarks, wetlands, bodies of water, areas inhabited
or used by protected species. Scenic routes and byways are included in the category
and are those national and State routes that have been identified and listed as
official designations.
G Parkland Includes National, State, and local parks.