Summary Report Outputs ¶

Travel Model Two generates comprehensive summary reports for model validation, performance monitoring, and planning analysis.

Model Run Summary ¶

Top Sheet Summary ¶

File Pattern: output_summaries/model_run_summary.csv

Description: High-level performance metrics for entire model run

Key Metrics: - Total population and households modeled - Total daily trips by mode - Vehicle-miles traveled (VMT) by time period - Transit boardings by operator - Model run time and convergence status

Format: CSV with rows for each metric and columns for values/percentages

Convergence Report ¶

File Pattern: logs/model_convergence_summary.txt

Content: - Global iteration convergence metrics - Assignment convergence by time period - Feedback loop performance indicators - Computational performance statistics

Travel Behavior Summaries ¶

Trip Generation Summary ¶

File Pattern: output_summaries/trip_generation_summary.csv

Description: Trip production and attraction totals by purpose and geography

Dimensions: - Purpose: Work, school, shopping, other, etc. - Geography: County, area type, income group - Person Type: Worker, student, non-worker, etc.

Metrics: Trips per person, trips per household, spatial distribution

Mode Choice Summary ¶

File Pattern: output_summaries/mode_choice_summary.csv

Description: Mode split results by trip purpose and market segment

Mode Categories: - Auto (drive alone, shared ride) - Transit (walk access, drive access) - Non-motorized (walk, bike) - TNC/Taxi (single, shared)

Segmentation: By income, auto ownership, area type, trip purpose

Time-of-Day Summary ¶

File Pattern: output_summaries/time_of_day_summary.csv

Description: Temporal distribution of travel demand

Content: - Peak spreading analysis - Time period choice by purpose - Peak hour factors - Departure time distributions

Network Performance Summaries ¶

Highway Performance ¶

File Pattern: output_summaries/highway_performance_summary.csv

Description: Highway system performance indicators

Metrics by Time Period: - Total VMT and VHT - Average network speed - Volume-to-capacity ratios - Congested lane-miles - Level of service distribution

Geographic Detail: - County-level summaries - Facility type breakdown - Area type analysis - Corridor performance

Transit Performance ¶

File Pattern: output_summaries/transit_performance_summary.csv

Description: Transit system performance metrics

System-Wide Metrics: - Total boardings by operator - Passenger-miles traveled - Average trip length - Transfer rates - Load factor by line type

Operator Breakdown: - AC Transit, BART, Muni, etc. - Mode-specific performance - Service productivity metrics

Active Transportation ¶

File Pattern: output_summaries/active_transportation_summary.csv

Description: Walking and bicycling trip patterns

Content: - Walk/bike mode share by trip purpose - Average trip distances - Infrastructure utilization - Accessibility indicators

Geographic Summaries ¶

County Summary ¶

File Pattern: output_summaries/county_summary.csv

Description: Travel patterns by county

Counties Included: 9 Bay Area counties plus external

Metrics: - Internal trips (within county) - External trips (cross-county) - Mode split by county - VMT per capita - Transit ridership per capita

Jurisdiction Summary ¶

File Pattern: output_summaries/jurisdiction_summary.csv

Description: City-level travel demand indicators

Content: - Trip attractions by jurisdiction - Jobs-housing balance impacts - Local vs. regional trips - Transportation mode access

Superdistrict Summary ¶

File Pattern: output_summaries/superdistrict_summary.csv

Description: Results for 34 regional analysis districts

Applications: - Regional planning analysis - Equity assessments
- Policy scenario comparisons - Investment prioritization

Market Segment Analysis ¶

Income Group Summary ¶

File Pattern: output_summaries/income_group_summary.csv

Description: Travel patterns by household income

Income Categories: - Low income (<$30k) - Medium-low income ($30k-$60k)
- Medium income ($60k-$100k) - Medium-high income ($100k-$150k) - High income (>$150k)

Metrics: Trip rates, mode choice, VMT, accessibility

Auto Ownership Summary ¶

File Pattern: output_summaries/auto_ownership_summary.csv

Description: Travel behavior by household auto ownership

Categories: - Zero-vehicle households - One-vehicle households
- Two-vehicle households - Three+ vehicle households

Analysis: Mode choice differences, trip chaining, accessibility impacts

Life Cycle Summary ¶

File Pattern: output_summaries/lifecycle_summary.csv

Description: Travel patterns by household life cycle stage

Life Cycle Categories: - Single person households - Couple, no children - Couple with children - Single parent families - Empty nesters - Retirees

Accessibility Summaries ¶

Job Accessibility ¶

File Pattern: output_summaries/job_accessibility_by_mode.csv

Description: Employment accessibility by transportation mode

Content: - Jobs accessible within 30/45 minutes by auto - Jobs accessible within 45/60 minutes by transit - Accessibility by income group and geography - Mode-specific accessibility indices

Essential Services Accessibility ¶

File Pattern: output_summaries/services_accessibility.csv

Description: Access to essential services

Service Types: - Healthcare facilities - Educational institutions - Grocery stores/food access - Government services - Financial services

Equity Analysis ¶

Transportation Equity Summary ¶

File Pattern: output_summaries/equity_analysis_summary.csv

Description: Equity indicators by demographic groups

Protected Classes: - Low-income households - Minority populations
- Zero-vehicle households - Senior citizens - Persons with disabilities

Metrics: Transportation costs, accessibility, travel time, mode availability

Environmental Justice ¶

File Pattern: output_summaries/environmental_justice_summary.csv

Description: Transportation impacts on disadvantaged communities

Impact Measures: - VMT exposure - Transit access quality - Active transportation safety - Air quality exposure

Validation Summaries ¶

Count Validation ¶

File Pattern: output_summaries/count_validation_summary.csv

Description: Comparison with observed traffic and transit counts

Content: - Highway count station validation - Transit ridership validation
- Screenline crossing validation - Percent root mean square error (PRMSE) - Geographic distribution of errors

Survey Validation ¶

File Pattern: output_summaries/survey_validation_summary.csv

Description: Comparison with travel survey data

Survey Sources: - California Household Travel Survey - Bay Area Travel Survey - Transit Onboard Surveys - Commercial Vehicle Survey

Validation Metrics: Trip rates, mode splits, trip lengths, temporal patterns

Scenario Comparison ¶

Scenario Difference Summary ¶

File Pattern: output_summaries/scenario_comparison_[base]_vs_[alternative].csv

Description: Comparative analysis between model scenarios

Comparison Metrics: - Change in total trips by mode - VMT and emissions impacts - Transit ridership changes - Accessibility improvements - Equity impact differentials

Policy Impact Summary ¶

File Pattern: output_summaries/policy_impact_summary.csv

Description: Quantified impacts of transportation policies

Policy Types: - Pricing strategies (tolls, parking) - Transit service improvements - Active transportation investments - Land use policy changes

Data Export Formats ¶

CSV Files ¶

Delimiter: Comma-separated
Encoding: UTF-8
Headers: Descriptive column names
Missing Data: Empty cells or “N/A”

Summary Statistics ¶

Central Tendency: Mean, median, mode
Variability: Standard deviation, percentiles
Geographic: Spatially weighted averages
Temporal: Peak vs. off-peak comparisons

Visualization Ready ¶

Charts: Pre-formatted for common chart types
Maps: Geographic identifiers for GIS integration
Dashboards: Key performance indicators highlighted
Time Series: Trend analysis format

Usage Guidelines ¶

Reporting Standards ¶

Rounding: Appropriate significant figures
Units: Clearly specified (miles, hours, dollars)
Base Year: 2015 base year dollars/data
Confidence: Statistical significance indicators

Quality Checks ¶

Reasonableness: Logical value ranges
Consistency: Internal consistency checks
Completeness: All required fields populated
Accuracy: Validation against benchmarks