HERS-ST Example - Interpreting the HERS-ST Section Output
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Objective: Gain a better understanding of the HERS-ST section output.
Tasks:
- section output format;
- section characteristics;
- implemented improvements;
- characteristics at end of funding period; and
- costs and benefits.
Task 1: Section Output Format
| Field |
Column Heading |
Data Type |
Notes |
| Section Identification |
1. Record number |
RECNO |
I |
|
| 2. County code |
CNTY |
I |
|
| 3. Section identification |
SECID |
A |
|
| 4. Sample identifier |
SAMPID |
A |
|
| 5. LRS identification |
LRSID |
A |
|
| 6. LRS beginning point |
BEGMP |
F |
|
| 7. LRS ending point |
ENDMP |
F |
|
| Section Characteristics |
8. PSR |
PSR0 |
F |
PSR at beginning of funding period |
| 9. Volume/Capacity ratio |
VCR0 |
F |
VCR at end of FP if no improvements are implemented |
| 10. Lane width |
LW0 |
I |
|
| 11. Shoulder type |
SHLT0 |
I |
|
| 12. Right shoulder width |
RSHLW0 |
I |
|
| 13. Horizontal alignment adequacy |
HORA0 |
I |
|
| 14. Vertical alignment adequacy |
VERA0 |
I |
|
| Improvement |
15. Improvement type |
ITYPE |
I |
|
| 16. Lanes added |
LADD |
I |
|
| 17. Increase in capacity |
CAPINC |
F |
|
| 18. Type of selection |
TYPSEL |
I |
|
| 19. BCR |
BCR |
F |
Discounted total benefits / total initial cost |
| Characteristics at end of FP |
20. Volume/Capacity ratio |
VCR |
F |
|
| 21. Average speed |
AES |
F |
|
| 22. PSR |
PSR |
F |
|
| 23. IRI (inches/mile) |
IRI |
F |
|
| 24. Total lanes |
TLAN |
I |
May be less than sum of peak and off-peak lanes |
| 25. Peak lanes - peak direction |
PLAN |
I |
Includes restricted lanes or shoulders used during peak |
| 26. Peak lanes - opposite direction |
CPLAN |
I |
|
| 27. Peak capacity - peak direction |
PCAP |
F |
|
| 28. Peak capacity - opposite direction |
CPCAP |
F |
|
| 29. Off-peak capacity |
OPCAP |
F |
|
| 30. Access control |
ACCESS |
I |
|
| 31. Lane width |
LWID |
I |
|
| 32. Shoulder type |
SHLT |
I |
|
| 33. Right shoulder width |
RSHLW |
I |
|
| 34. Median type |
MEDT |
I |
|
| 35. Median width |
MEDW |
I |
|
| 36. Widening feasibility |
WFEAS |
I |
|
| 37. Horizontal alignment adequacy |
HORA |
I |
|
| 38. Vertical alignment adequacy |
VERA |
I |
|
| 39. AADT |
AADT |
F |
|
| 40. Emissions costs |
EMC |
F |
|
| Costs and Benefits |
41. Improvement cost |
IMPC |
F |
Total initial cost |
| 42. Emissions benefits |
EMB |
F |
Last year of funding period |
| 43. Travel-time benefits |
TTB |
F |
Last year of funding period |
| 44. Operating-cost benefits |
OPCB |
F |
Last year of funding period |
| 45. Safety benefits |
SAFB |
F |
Last year of funding period |
| 46. Total benefits |
TOTB |
F |
Last year of funding period |
| State Control Field |
47. State control field |
SCF |
A |
|
Task 2: Section Characteristics
Task 3: Implemented Improvements
Task 4: Characteristics at End of Funding Period
Task 5: Costs and Benefits
|