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1. Report No. FHWA-SA-15-084 |
2. Government Accession No. |
3. Recipient's Catalog No. |
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4. Title and Subtitle Low-Cost Treatments for Horizontal Curve Safety 2016 |
5. Report Date January 2016 |
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6. Performing Organization Code |
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7. Authors Richard Albin, Victoria Brinkly, Joseph Cheung, Frank Julian, Cathy Satterfield, William Stein, Eric Donnell, Hugh McGee, Ann Holzem, Matthew Albee, Jonathan Wood, Fred Hanscom |
8. Performing Organization Report No. |
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9. Performing Organization Name and Address Pennsylvania Transportation Institute 8300 Boone Blvd., Suite 700 Vienna, VA 22182-2626 |
10. Work Unit No. |
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11. Contract or Grant No. DTFH61-12-C-00032 |
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12. Sponsoring Agency Name and Address Federal Highway Administration Office of Safety |
13. Type of Report and Period Covered Final Report, April 2014 – January 2016 |
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14. Sponsoring Agency Code FHWA |
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15. Supplementary Notes: The contract manager for this report was Joseph Cheung. |
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16. Abstract FHWA created the Low-Cost Treatments for Horizontal Curve Safety in 2006 (McGee and Hanscom, 2006). There have been many advances in highway safety since that initial 2006 guide. The purpose of this publication is to serve as an update to the 2006 Low-Cost Treatments for Horizontal Curve Safety. The primary audience for this publication is local transportation agencies. This publication provides information specifically relating to lower volume two-lane roads and the agencies that manage them. It will help transportation agencies and their construction crews understand the available countermeasures and how to select and apply them. |
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17. Key Words horizontal curves, systemic approach, low-cost countermeasures, two-lane roads |
18. Distribution Statement No restrictions. |
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19. Security Classif. (of this report) Unclassified |
20. Security Classif. (of this page) Unclassified |
21. No. of Pages: 94 |
22. Price |
Form DOT F 1700.7 (8-72) Reproduction of completed pages authorized
AADT | Average Annual Daily Traffic |
ADT | Average Daily Traffic |
AASHTO | American Association of State Highway and Transportation Officials |
Caltrans | California Department of Transportation |
CMF | Crash Modification Factor |
DOT | Department of Transportation |
FARS | Fatality Analysis Reporting System |
FHWA | Federal Highway Administration |
FLH | Federal Lands Highway |
HFST | High Friction Surface Treatment |
HSIP | Highway Safety Improvement Program |
HSM | Highway Safety Manual |
ICWS | Intersection Conflict Warning System |
IDOT | Illinois Department of Transportation |
INDOT | Indiana Department of Transportation |
ITE | Institute of Transportation Engineers |
KYTC | Kentucky Transportation Cabinet |
LED | Light-Emitting Diode |
LON | Length of Need |
MnDOT | Minnesota Department of Transportation |
MoDOT | Missouri Department of Transportation |
MUTCD | Manual on Uniform Traffic Control Devices |
NCAT | National Center for Asphalt Technology |
NCHRP | National Cooperative Highway Research Program |
NHTSA | National Highway Traffic Safety Administration |
NJDOT | New Jersey Department of Transportation |
NYSDOT | New York State Department of Transportation |
PC | Point of Curvature |
PDO | Property Damage Only |
PennDOT | Pennsylvania Department of Transportation |
ROR | Run-Off-Road |
RPM | Raised Pavement Marker |
RSA | Road Safety Audit |
SEAHC | Surface Enhancements at Horizontal Curves |
SSP | Safety Strategic Plan |
SV | Superelevation Variance |
usRAP | The United States Road Assessment Program |
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