Filter your search by...
- Division of Behavioral and Social Sciences and Education
- Division on Earth and Life Studies
- Division on Engineering and Physical Sciences
- Gulf Research Program
- Health and Medicine Division
- National Academy of Engineering
- National Academy of Medicine
- National Academy of Sciences
- Policy and Global Affairs
- Transportation Research Board
- Airport Cooperative Research Program
- Airport Cooperative Research Program Legal Program
- Airport Cooperative Research Program Synthesis Program
- Behavioral Traffic Safety Cooperative Research Program
- Commercial Truck and Bus Safety Synthesis Program
- Consensus and Advisory Studies Division
- Hazardous Material Cooperative Research Program
- Legal Research Programs
- Marine Board
- National Cooperative Freight Research Program
- National Cooperative Highway Research Program
- National Cooperative Highway Research Program Legal Program
- National Cooperative Highway Research Program Synthesis Program
- National Cooperative Railroad Research Program Legal Program
- Policy Studies
- Strategic Highway Research Program Capacity Focus Area
- Strategic Highway Research Program Reliability Focus Area
- Strategic Highway Research Program Renewal Focus Area
- Strategic Highway Research Program Safety Focus Area
- Technical Activities Division Standing Committees
- Transit Cooperative Research Program
- Transit Cooperative Research Program Legal Program
- Transit Cooperative Research Program Synthesis Program
- Agriculture
- Behavioral and Social Sciences
- Biography and Autobiography
- Biology and Life Sciences
- Computers and Information Technology
- Conflict and Security Issues
- Earth Sciences
- Education
- Energy and Energy Conservation
- Engineering and Technology
- Environment and Environmental Studies
- Food and Nutrition
- Health and Medicine
- Industry and Labor
- Math, Chemistry, and Physics
- Policy for Science and Technology
- Space and Aeronautics
- Surveys and Statistics
- Transportation and Infrastructure
- About Research
- Administration and Management
- Aviation
- Bridges and Other Structures
- Construction
- Data and Information Technology
- Design
- Economics
- Education and Training
- Energy
- Environment
- Finance
- Freight Transportation
- Geotechnology
- Highways
- History
- Hydraulics and Hydrology
- Law
- Maintenance and Preservation
- Marine Transportation
- Materials
- Motor Carriers
- Operations and Traffic Management
- Passenger Transportation
- Pavements
- Pedestrians and Bicyclists
- Pipelines
- Planning and Forecasting
- Policy
- Public Transportation
- Railroads
- Safety and Human Factors
- Security and Emergencies
- Society
- Terminals and Facilities
- Vehicles and Equipment
- Adolescent Health and Well-Being
- Advising the U.S. Global Change Research Program
- Airborne Chemical Exposure
- American Geophysical Union
- Arctic
- BCYF 25th Anniversary
- Biosecurity
- Cancers and Children
- Celebrating the Eclipse: The Sun and Our Space Environment
- Climate Adaptation
- Climate Change
- Clinical Trial Data Sharing
- Competitiveness
- Coronavirus Resources
- Cosmos
- CPNAS Exhibition Catalog Collection
- Crisis Standards of Care
- Critical Issues in Transportation
- Cybersecurity
- Dietary Reference Intakes
- Diversity and Inclusion in STEMM
- Diversity, Equity, and Inclusion
- Emergency Preparedness / Disaster Management
- Energy
- Environmental Health Matters Initiative
- Ethical Foundations of Science
- Everglades
- Evolution
- Flood Resilience: Preparedness and Recovery
- Frontiers of Engineering
- Genomics
- Health Literacy
- Heart Health
- Higher Education
- Highway Planning
- Immigration
- Infectious Disease
- Informal Learning
- International Cooperation to Reduce Global Threats
- Laboratory Safety
- Law and Justice
- Mathematics
- Next Generation Science Standards
- Nutrient Requirements of Animals
- Obesity Prevention
- Oil Spill Prevention and Response and Deepwater Horizon
- Our Most Downloaded 2021 Publications
- Our Most Downloaded 2022 Publications
- Our Planet, Our Future: Nobel Prize Summit Reading List
- Pain Management and Opioid Use Disorder
- Pandemic and Seasonal Influenza Vaccine Preparedness
- Planetary Protection
- Pollinator Conservation
- Quality Chasm
- Reproducibility
- Safe Bridge Design and Construction
- Science Communication
- Social Capital and Social Connectedness
- Space Exploration and Weather
- Stem Cells
- STEM Education
- Supply Chains
- Teaching Math
- The Vital Role of Nursing in Health Care
- Tobacco
- Transportation and Sustainability
- Transportation Emergency Resources
- Urban Planning and Development
- Vaccines
- Veterans Health
- Water Infrastructure
- Wildfires: Preparation, Management, and Health Effects
- Women's Adventures in Science
Sort Results
Search Tools
Download Citations
1 - 2 of 2 resultsSearch results for "class periods"
Local Policies and Practices That Support Safe Pedestrian Environments (2012)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program; Ryan Walsh
Transportation and Infrastructure
Use of the U.S. Census Bureau’s Public Use Microdata Sample (PUMS) by State Departments of Transportation and Metropolitan Planning Organizations (2012)
National Academies of Sciences, Engineering, and Medicine; Transportation Research Board; National Cooperative Highway Research Program; National Cooperative Highway Research Program Synthesis Program; Kevin F. Tierney
Transportation and Infrastructure