LOUISIANA DEPARTMENT OF TRANSPORTATION AND DEVELOPMENT

Highway Safety

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AASHTO's Highway Safety Manual

 
The HSM introduces a science-based technical approach that takes the guesswork out of safety analysis. The HSM provides tools to conduct quantitative safety analyses, allowing for safety to be quantitatively evaluated alongside other transportation performance measures such as traffic operations, environmental impacts, and construction costs. The HSM provides the following tools:
 
  • Methods for developing an effective roadway safety management program and evaluating their effects.
  • A predictive method to estimate crash frequency and severity.
  • A catalog of crash modification factors (CMFs) for a variety of geometric and operational treatment types, backed by robust scientific evidence.

State calibration efforts are currently underway and calibration factors will be released upon completion, which is expected to be December 2013.

 

 

 
NCHRP 600: Human Factors Guidelines for Road Systems


 
The HFG serves as a complement to existing and planned design guides and standards, such as the MUTCD, AASHTO's Green Book, and the HSM, to promote improved safety for highway users. After using traditional resources to develop possible design alternatives to improve safety on an in service or planned intersection or section of roadway, the practitioner may then use the HFG to enhance the possible solutions. The easy-to-use guidelines in the HFG provide the highway designer and traffic engineer with objective, defensible human factors principles and information that can be used to support and justify design decisions. The HFG will allow the non-expert in human factors to recognize the needs and limitations of the road user in a more effective manner in the design and operation of roads that are safer for all. When reviewing either existing or planned roads or intersections, highway designers and traffic engineers are strongly encouraged to use the HFG to identify and develop the safest solutions for road users.


 

NCHRP Report 500 Series

 

Louisiana-specific Cost of Crashes
  Average Cost per Person Including Loss of Quality of Life
  Fatal   $1,270,370 $4,376,304
  Severe   $938,791 $2,037,475
  Moderate   $164,396 $306,905
  Complaint   $8,141 $11,036
  PDO   $3,292 $3,292

*Based on NHTSA's "The Economic Impact of Motor Vehicle Crashes, 2000" and updated by the CPI
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The La DOTD Headquarters Building is located at 1201 Capitol Access Road, Baton Rouge, LA, 70802. Telephone: (225) 379-1232.
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