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Search results for "versus placebo"

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Viewing 1 - 50 of 932 results by relevance

Decision Making for Repair Versus Replacement of Highway Operations Equipment  (2023)

How Transportation Agencies Assess the Value of Added Capacity Highway Projects Versus Other Modal Projects and Strategies  (2018)

Centralized versus Decentralized State Procurement of Paratransit Vehicles for the Federal Section 5310 Program  (2007)

Sample Size Implications of Multi-Day GPS-Enabled Household Travel Surveys  (2016)

Traffic Law Enforcement in Work Zones: Phase II Research  (2013)

Selected State DOT Cost Reduction Initiatives for the Administration of State Public Transportation Programs  (2012)

Long-Distance and Rural Travel Transferable Parameters for Statewide Travel Forecasting Models  (2012)

Precision Estimates of AASHTO T 304, AASHTO T 96, and AASHTO T 11 and Investigation of the Effect of Manual and Mechanical Methods of Washing on Sieve Analysis of Aggregates  (2014)

Utility Location and Highway Design  (2010)

Incorporating ITS Into the Transportation Planning Process: An Integrated Planning Framework (ITS, M&O, Infrastructure) Practitioner's Guidebook  (2002)

Human Factors Guidelines for Road Systems, Collection B: Chapters 6, 22 (Tutorial 3), and 23 (Updated)  (2009)

Human Factors Guidelines for Road Systems - Collection C: Chapters 16, 17, 18, 19, 20, 22 (Tutorials 4, 5, 6), 23 (Updated), 24, 25, 26 (Updated)  (2010)

Permissible Changes in Scope of Work for Construction Contracts  (2015)

Cost-Effective and Sustainable Road Slope Stabilization and Erosion Control  (2012)

A Strategic Approach to Transforming Traffic Safety Culture to Reduce Deaths and Injuries  (2018)

Pavement Marking Materials and Markers: Real-World Relationship Between Retroreflectivity and Safety Over Time  (2006)

Field Verification of Proposed Changes to the AASHTO R 30 Procedures for Laboratory Conditioning of Asphalt Mixtures  (2019)

Measuring Tire-Pavement Noise at the Source  (2009)

Specification Criteria for Simple Performance Tests for Rutting, Volume I: Dynamic Modulus (E*) and Volume II: Flow Number and Flow Time  (2007)

Properties of Foamed Asphalt for Warm Mix Asphalt Applications  (2015)

Design and Construction Guidelines for Geosynthetic-Reinforced Soil Bridge Abutments with a Flexible Facing: Appendix C--Verification of the Analytical Model  (2006)

Alternate Strategies for Safety Improvement Investments  (2010)

LRFD Minimum Flexural Reinforcement Requirements  (2019)

Laboratory Validation of an Endurance Limit for Asphalt Pavements  (2013)

Rapid Tests and Specification Language for Construction of Asphalt-Treated Cold Recycled Pavements  (2023)

Scour at Wide Piers and Long Skewed Piers  (2011)

Relationship Between Erodibility and Properties of Soils  (2019)

Validating the Fatigue Endurance Limit for Hot Mix Asphalt  (2010)

Long-Term Aging of Asphalt Mixtures for Performance Testing and Prediction  (2017)

Short-Term Laboratory Conditioning of Asphalt Mixtures  (2015)

Top-Down Cracking of Hot-Mix Asphalt Layers: Models for Initiation and Propagation  (2010)

Design of Concrete Bridge Beams Prestressed with CFRP Systems  (2019)

Guide to Truck Activity Data for Emissions Modeling  (2019)

Guidelines for Dowel Alignment in Concrete Pavements  (2009)

Investigating the Relationship of As-Constructed Asphalt Pavement Air Voids to Pavement Performance  (2021)

Material Properties of Cold In-Place Recycled and Full-Depth Reclamation Asphalt Concrete  (2017)

Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils  (2011)

Predicting the Initial Retroreflectivity of Pavement Markings from Glass Bead Quality  (2013)

Long-Term Aging of Asphalt Mixtures for Performance Testing and Prediction: Phase III Results  (2021)

Input Guidelines for Motor Vehicle Emissions Simulator Model, Volume 3: Final Report  (2015)

Characterization of Cementitiously Stabilized Layers for Use in Pavement Design and Analysis  (2014)

Mitigation of Weldment Cracking in Steel Highway Structures Due to the Galvanizing Process  (2021)

Self-Consolidating Concrete for Cast-in-Place Bridge Components  (2016)

LRFD Design and Construction of Shallow Foundations for Highway Bridge Structures  (2010)

Long-Term Performance of Epoxy Adhesive Anchor Systems  (2013)

A Mechanistic–Empirical Model for Top–Down Cracking of Asphalt Pavements Layers  (2018)

Superpave Mix Design: Verifying Gyration Levels in the Ndesign Table  (2007)

High-Performance/High-Strength Lightweight Concrete for Bridge Girders and Decks  (2013)

Input Guidelines for Motor Vehicle Emissions Simulator Model, Volume 1: Practitioners’ Handbook: Regional Level Inputs  (2015)

Methods for Evaluating Fly Ash for Use in Highway Concrete  (2013)