... that were used for the NHIPS with the exception of the first data item (Item l) which is now district instead of State code. The only other modifications from the NHIPS are that l975 ADT is changed to base year ADT and 1990 ADT is ... These additions are for: (1) Item 15, Percent of Length with Sight Distance 211500 feet which may be coded 100; (2) Item l7, ... long lists of meaningless error messages.
|Title||:||Performance-investment analysis process|
|Author||:||United States. Office of Highway Planning. Program Management Division|