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FHWA > TPM > Resources > Evaluation and Economic Investment > HERS-ST Example - Interpreting the HERS-ST Tabular Output

HERS-ST Example - Interpreting the HERS-ST Tabular Output

Objective: Gain a better understanding of the HERS-ST tabular output.

Tasks:

  1. Conditions at beginning of analysis period;
  2. Conditions at end of period and changes during period;
  3. Total initial cost of selected improvements;
  4. Lane-miles improved;
  5. Average b/c ratio of selected improvements; and
  6. Change in deficiencies.

Task 1: Conditions at Beginning of Analysis Period

HERS-ST Screen Shot: Application Window - showing how to modify the view. Step 1 select results tab. Step 2 select HPMS2000 OUT.  Step 3 select conditions at beginning of analysis period. Step 4 select view - project tree. Step 5 select zoom button.

HERS-ST Screen Shot: view pop-up menu. Step 6 select 100%

 

HERS-ST Screen Shot: Conditions at beginning of analysis period, from the tabular output file noting various parts of the table including number of sections in the sample, av. pollution c.,  avg. ann. mn. c., crash/injury/fatality rates, user costs.

Task 2: Conditions at End of Period

HERS-ST Screen Shot: Application Window - showing the conditions at end of each funding period on the tabular output tree Step 1 expand Funding Period 1, Funding Period 4 and Overall Analysis period tree item.s  Step 2 select conditions at end of period from Funding Period 1. Step 3 select conditions at end of period from Funding Period 4.  Step 4 select changes during period from overall analysis period.

HERS-ST Screen Shot: Conditions at end of fourth funding period, from the tabular output file noting various parts of the table av. pollution c.,  avg. ann. mn. c., crash/injury/fatality rates, user costs.

HERS-ST Screen Shot: Changes during overall analysis, from the tabular output file noting various parts of the table including av. pollution c.,  avg. ann. mn. c., crash/injury/fatality rates, user costs.

Task 3: Total Initial Cost of Selected Improvements

HERS-ST Screen Shot: Application Window - showing how to select the total initial cost pages for the various funding periods from the tabular output tree. Step 1 select total initial cost of selected... from Funding Period 1.  Step 2 select total initial cost of selected... from Funding Period 4.  Step 3 select total initial cost of selected... from overall analysis period.

HERS-ST Screen Shot: Total initial cost of selected improvements for the overall analysis period, from the tabular output file.

Task 4: Lane-miles Improved

HERS-ST Screen Shot: Application Window - showing how to select the lane-miles improved for the various funding periods from the tabular output tree. Step 1 select lane-miles improved from Funding Period 1. Step 2 select lane-miles improved from Funding Period 4. Step 3 select lane-miles improved from overall all analysis period

HERS-ST Screen Shot: Lane-miles improved for the overall analysis period, from the tabular output file.

Task 5: Average B/C Ratio of Selected Improvements

HERS-ST Screen Shot: Application Window - showing how to select the average B/C ratio of selected improvements for the various funding periods from the tabular output tree. Step 1 select average b/c ratio of selected... from Funding Period 1. Step 2 select average b/c ratio of selected... from Funding Period 4.  Step 3 select average b/c ratio of selected... from overall analysis period.

HERS-ST Screen Shot: Average B/C ratio of selected improvements for the overall analysis period, from the tabular output file.

Task 6: Change in Deficiencies

HERS-ST Screen Shot: Application Window - showing how to select the changes in deficiencies for the various funding periods from the tabular output tree. Step 1 select change in deficiencies (as percent of vmt) and change in deficiencies (as percent of miles) from Funding Period 1. Step 2 select change in deficiencies (as percent of vmt) and change in deficiencies (as percent of miles) from Funding Period 4. Step 3 select change in deficiencies (as percent of vmt) and change in deficiencies (as percent of miles) from  overall analysis period.

HERS-ST Screen Shot: Changes in deficiencies for the overall analysis period, from the tabular output file.
Updated: 02/11/2013