USDOT Safety Data Initiative
Washington Demo
Ohio Demo
Presentation 1
FHWA Rural Speed Safety Project
Subasish Das
January 7, 2019
Task 4: Analysis [Data Analysis and Modeling Links]
Washington
Rural Two-lane
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Multi-lane Undivided
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Multi-lane Divided
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Interstate
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Modeling
EDA
Correlation Plots
Reduced Models
Ohio
Rural Two-lane
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Multi-lane Undivided
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Multi-lane Divided
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Interstate
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Modeling
EDA
Correlation Plots
Reduced Models
North Carolina
Rural Two-lane
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Multi-lane Undivided
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Multi-lane Divided
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models
Rural Interstate
Missing Values and Speed Distribution
Descriptive Statistics
Crash-Speed Associations– Dygraphs
Time Series Models