Research Reports

Technical Summaries & Working Papers

Cable Barriers

NCAC 2011-W-002
Analyzing the Potential Interface Effectiveness for Cable Barriers in Elevated Median Cross Sections
NCAC 2011-W-001
Analyzing the Potential Interface Effectiveness for Cable Barriers in Asymmetrical Median Cross Sections
NCAC 2010-W-009
Vehicle Dynamics Investigations to Develop Guidelines for Crash Testing Cable Barriers on Sloped Surfaces
NCAC 2010-W-008
Developing Functional (Design) and Evaluation Requirements for Cable Median Barriers
NCAC 2010-W-007
Comparing Vehicle Dynamics Analysis Results for Roadside Hardware Evaluations
NCAC 2010-W-006
Using Vehicle Dynamics Simulation as a Tool for Analyzing Cable Barrier Effectiveness
NCAC 2009-W-008
Analyzing the Effects of Cable Barriers Behind Curbs Using Computer Simulation
NCAC 2009-W-007
Analyzing the Effects of End-Anchor Spacing & Initial Tension on Cable Barrier Deflection Using Computer Simulation
NCAC 2008-W-001
Evaluation of the Influences of Cable Barrier Design and Placement on Vehicle to Barrier Interface
NCAC 2008-T-001
Cable Median Barrier Retrofit Testing at FOIL
NCAC 2007-R-006
Crash Testing of Retrofits for Generic Cable Barrier Placed on 6H:1V Sloped, V-Shaped, 16ft Wide Medians at a 4ft Offset
NCAC 2007-T-001
Development & Validation of a Model to Evaluate the Safety Performance of Cable Median Barriers
NCAC 2007-R-005
Performance Evaluation of Low-Tension, Three-Strand Cable Median Barriers on Sloped Terrains
NCAC 2004-W-002
Finite Element Modeling and Validation of a 3-Strand Cable Guardrail System

Concrete Barriers

NCAC 2011-W-003
Analysis of the Effects of Construction Tolerances on Bridge Rail Performance
NCAC 2011-W-005
Safety Performance Evaluation of Concrete Barriers on Curved and Superelevated Roads
NCAC 2011-T-005
Safety Performance Evaluation of Concrete Barriers on Curved and Superelevated Roads
NCAC 2008-W-002
Safety Performance of Concrete Median Barriers Under Updated Crashworthiness Criteria
NCAC 2007-W-005
A Multi-Objective Discrete Design Optimization Algorithm for Portable Concrete Barriers by Coupling Grey Relational Analysis with Successive Taguchi Method
NCAC 2007-T-005
Safety Performance Evaluation of Plate Transitions from Fixed Concrete Barriers to Portable Concrete Barries Using Simulation
NCAC 2007-W-004
Safety Performance Evaluation for Combinations of Portable Concrete Barriers
NCAC 2007-R-004
Performance Evaluation of Portable Concrete Barriers
NCAC 2002-W-001
Evaluation of Portable Concrete Barriers Using Finite Element Simulation

General Topics

ACAP 2012-T-001
Advanced Crash Analysis Program (ACAP) to Improve Transportation Safety and Security - 2012 Status Report
ACAP 2011-T-001
Advanced Crash Analysis Program (ACAP) to Improve Transportation Safety and Security – 2011 Status Report
ACAP 2010-T-001
Advanced Crash Analysis Program (ACAP) to Improve Transportation Safety and Security—2010 Status Report
ACAP 2009-T-001
Advanced Crash Analysis Program (ACAP) to Improve Transportation Safety and Security
NCAC 2009-T-001
Accomplishments of the FHWA/NHTSA National Crash Analysis Center (NCAC) 1993–2008

Guardrail Systems

NCAC 2012-W-008
Assessing Options for Improving Barrier Crashworthiness Using Finite Element Models and Crash Simulation
NCAC 2010-W-005
Development of a Modified MGS Design for Test Level 2 Impact Conditions Using Crash Simulation
NCAC 2010-R-003
Development of an Energy Absorbing End-Terminal for the Steel Backed Timber Guardrail Phase IIB: Test Level 2 Crash Testing Results
NCAC 2010-R-002
Development of an Energy Absorbing End-Terminal for the Steel Backed Timber Guardrail Phase IIA: Design of TL 2 SBT End Treatment
NCAC 2009-W-006
Development of a New End Treatment for Steel-Backed Timber Guardrail: Phase I Conceptual Design
NCAC 2009-T-002
Safety Performance Evaluation of G4(2W) W-Beam Guardrail with Blockouts Raised by 3"
NCAC 2008-T-002
Applying Vehicle Dynamics Tools to Determine Optimal Median Barrier Placement
NCAC 2007-T-004
Development of a Finite Element Model for W-Beam Guardrails
NCAC 2007-T-003
Evaluating W-Beam Guardrail Height Tolerances
NCAC 2007-T-002
Effects of Shoulder Drop-Off on W-Beam Guardrail Performance
NCAC 2007-W-002
Evaluation of Rail Height Effects of the Safety Performance of W-Beam Barriers

Highway Design and Other Elements

NCAC 2012-W-007
Analyzing the Potential Interface Effectiveness for Median Barriers for Varying Cross Sections
NCAC 2011-R-005
Crash Testing of Kia Rio Sedans Into an Instrumented Rigid Pole
NCAC 2011-W-004
Slope Rounding Influences on the Trajectories of Vehicles
ACAP 2010-W-001
Leveraging New Technologies to Capture Infrastructure Data to Supplement Roadside Crash Analyses
NCAC 2009-W-010
Evaluation of Vehicle Dynamics for Single Unit Trucks on Sloped Roadsides and Medians
NCAC 2007-W-006
Analyses of Vehicle Trajectories on 4:1 Single Slope Roadside Terrain
NCAC 2006-W-001
Safety of Excessive Pavement Wedge Due to Overlays
NCAC 2004-W-001
Safety Performance Evaluation of Secure Mailboxes Using Finite Element Simulation & Crash Testing
NCAC 2003-W-002
Evaluation of Redesigned Slipbase Sign Support Using Crash Simulation

Motorcycles

NCAC 2010-T-002
US Single Motorcycle Crashes: An Overview of Roadside Hazards
NCAC 2010-T-001
California Motorcycle Crashes: Roadway and Rider Contributing Factors
NCAC 2007-W-003
Opportunities for Safety Improvements in Motorcycle Crashes in the United States

Occupant Modeling

NCAC-2014-W-001
Development and Validation of a Chevrolet Silverado MADYMO Frontal Occupant Model
NCAC-2014-W-002
Development and Validation of an Upgraded 2010 Toyota Venza MADYMO Frontal Occupant Model
NCAC-2013-W-005
Development and Validation of a Ford Explorer MADYMO Frontal Occupant Model
NCAC-2013-W-004
Development and Validation of a Toyota Yaris MADYMO Frontal Occupant Model
NCAC-2013-W-003
Development and Validation of a 2009 Toyota Venza MADYMO Frontal Occupant Model
NCAC-2013-W-002
Development and Validation of a Honda Accord MADYMO Frontal Occupant Model
NCAC-2013-W-001
Development and Validation of a 2001 Ford Taurus MADYMO Frontal Occupant Model

Vehicle Modeling

NCAC 2012-W-002
Extended Validation of the Finite Element Model for the 2002 Ford Explorer Sport Utility Vehicle
NCAC 2012-W-003
Extended Validation of the Finite Element Model for the 2007 Chevrolet Silverado Pick-Up Truck
NCAC 2012-W-004
Extended Validation of the Finite Element Model for the 2001 Ford Taurus Passenger Sedan
NCAC 2012-W-005
Extended Validation of the Finite Element Model for the 2010 Toyota Yaris Passenger Sedan
NCAC 2011-T-001
Development & Validation of a Finite Element Model for the 2010 Toyota Yaris Passenger Sedan
NCAC 2010-W-001
Comparison of the Crash Test and Simulation of an Angle Impact of a 2007 Chevrolet Silverado Pick-Up Truck into a New Jersey-Shaped Concrete Barrier for MASH Conditions
NCAC 2009-W-005
Modeling, Testing, and Validation of the 2007 Chevy Silverado Finite Element Model
NCAC 2009-R-004
Component and Full-Scale Tests of the 2007 Chevrolet Silverado Suspension System
NCAC 2009-T-005
Development & Initial Validation of a 2007 Chevrolet Silverado Finite Element Model
NCAC 2008-T-004
Development & Validation of a Finite Element Model for the 2002 Ford Explorer
NCAC 2008-T-003
Development & Validation of a Finite Element Model for the 2006 Ford F250 Pickup Truck
NCAC 2007-T-008
Development & Validation of a Finite Element Model for the 1997 Geo Metro Passenger Sedan
NCAC 2007-T-007
Development & Validation of a Finite Element Model for the 1996 Dodge Neon Passenger Sedan
NCAC 2008-T-005
Development & Validation of a Finite Element Model for the 2001 Ford Taurus Passenger Sedan
NCAC 2007-T-009
Development & Validation of a 1994 Chevrolet C2500 Pick-up Truck FE Model
NCAC 2007-T-006
NCAC Vehicle Model Development Update
NCAC 2003-W-001
Validation of a Single Unit Truck Model for Roadside Hardware Impacts
NCAC 2003-W-003
Development and Validation of a Pick-Up Truck Suspension Finite Element Model for Use in Crash Simulation

Vehicle Safety Analyses & Testing

NCAC 2011-W-006
Selective Sensitivity Study of the Jordan Rollover System - Comparison with the Un-Constrained Model for Different Test Bed Mass and Yaw Angle