Reports & methods

Estimation, calibration, validation and analysis write-ups behind the models. Live reports are listed first.
NoteInternal entries

Repositories marked Internal are private. Their links open only for people with WFRC GitHub access.

SE 2025 Urban Form D Variables
Live
Analysis

SE2025 H3 Socioeconomic Data Smoothing

Sep 22, 2026

REMM Result Review Tool
Live
Analysis
REMM

This tool is used to help REMM model development. Will be incorporated into our REMM module workflow.

Sep 11, 2026

VAL School College Enrollment
Live
Validation
TDM

Validates the synthetic population against real K-12 and college enrollment.

Oct 14, 2026

adhoc analyses
Live
Analysis

A repo for any ad-hoc GIS analysis.

Oct 13, 2026

INP Population Sim
Live
Input data
TDM

Prepare Input Data for PopulationSim

Sep 14, 2026

INP External Forecasts
Live
Input data
TDM

Volume forecasts for the model’s external stations, published as a single Quarto report.

Jul 29, 2026

GTFS vs LIN
Live
Analysis

Compare GTFS to TDM LIN files

Jul 8, 2026

INP College Enrollment
Live
Input data
TDM

Gathers college enrollment numbers by TAZ for the travel demand model.

Jun 25, 2026

EST Auto Operating Costs
Live
Estimation
TDM

Updates auto operating costs used in the Wasatch Front travel demand model.

Apr 22, 2026

EST TAZ Median Income
Live
Estimation
TDM

Estimates median household income by TAZ for the travel demand model.

Apr 22, 2026

EST Value Of Time
Live
Estimation
TDM

Calculates values of time from ACS person data, segmented by occupancy and work versus non-work trips.

Apr 22, 2026

VAL Traffic Volume CCS
Live
Validation
TDM

Observed vs model volumes for the CCS data and model data with filters by functional type, time of day, county

Jan 29, 2026

Bikeway by City
Live
Analysis
BDM

An analysis of bicycle infrastructure compared to roadways

Nov 17, 2025

GEO Analysis Zones
Repository
Geography
TDM

The source of truth for TAZ (and MAZ in the future) used in the Wasatch Front Travel Demand Modeling or any other applications.

Oct 9, 2026

Opportunity Zones Info Sheets
Repository
Analysis

Land Use and Transportation Information sheet for All Census Tracts in Eligible Opportunity Zones 2.0 List in Utah

Oct 8, 2026

ABM INP Microzones
Repository
Input data

one stop shop for delineating microzones for WFRC models

Sep 24, 2026

FORECAST Traffic Volume
Repository
Analysis

Notebooks and two web apps for traffic volume forecasts: the ART review and adjustment tool, and a public viewer.

Sep 16, 2026

INP Work At Home
Repository
Internal
Input data
TDM

The purpose of this repository is to calculate the work at home rates (home based jobs as well as telecommuting). . Requires WFRC GitHub access.

Sep 9, 2026

EST HTS Params
Repository
Internal
Estimation
TDM

This repo houses all scripts used to estimate model parameters and adjust model inputs that draw on the household travel survey. Requires WFRC GitHub access.

Aug 17, 2026

RTP Phasing Criteria
Repository
Internal
Analysis

A workspace for calculating phasing criteria scores on a project level basis. Active Transportation, Roadway & Transit. Requires WFRC GitHub access.

Jul 23, 2026

GEO True Shape
Repository
Geography
TDM

This repo is for processing True Shape Network out of UGRC Roadway Centerlines dataset

Jul 22, 2026

INP K 12 Enrollment
Repository
Input data
TDM

Summarizing the state school enrollment data at the TAZ level.

Jul 21, 2026

ATO Impact Tool
Repository
Analysis

WFRC tool for assessing changes in Access to Opportunity (ATO) resulting from regional mobility investments

Jul 9, 2026

CAL HBWDest Choice
Repository
Internal
Calibration
TDM

The purpose of this repository is to calibration and then estimate coefficients/constants for the HBW destination choice model. . Requires WFRC GitHub access.

Jul 9, 2026

EST Commercial Vehicle Model
Repository
Internal
Estimation
TDM

Workspace for the v10 commercial vehicle model, including consultant deliverables and supporting process files. Requires WFRC GitHub access.

May 20, 2026

CAL Mode Choice
Repository
Internal
Calibration
TDM

Mode choice calibration for the travel demand model. Requires WFRC GitHub access.

Apr 22, 2026

CAL Friction Factors
Repository
Internal
Calibration
TDM

This repo contains python scripts used to calibrate the friction factors for the WFTDM. It also includes the data munging necessary to produce observed trip length frequency charts. . Requires WFRC GitHub access.

Jan 28, 2026

Job Space Calculation
Repository
Internal
Analysis
REMM

use county controls, building square feet, and dws to distribute job spaces at a taz level. Requires WFRC GitHub access.

Jan 27, 2026

INP Socioeconomic Control Totals
Repository
Input data
TDM

Estimates county-level socioeconomic control totals for the v10 travel demand model.

Jan 22, 2026

Housing ATO Calculator Web App Builder Devel
Repository
Internal
Analysis

Development branch for Housing ATO Calculator Web App. Requires WFRC GitHub access.

Dec 17, 2025

Housing Within Centers SAP
Repository
Internal
Analysis

Analysis of primary homes created in SAP’s since adoption of the plans. Requires WFRC GitHub access.

Dec 9, 2025

Parcel Splitting
Repository
Analysis
REMM

Parcel splitting step in preparing REMM inputs.

Sep 22, 2025

INP TAZ Age Percent
Repository
Input data
TDM

Estimates age-group shares (0-17, 18-64, 65+) for each TAZ from census blocks and ACS data.

Aug 13, 2025

PP ATO Big5
Repository
Post-processing
TDM

Post-processing of Access to Opportunity results.

Aug 8, 2025

WF Model Area Splits
Repository
Analysis
REMM

Forecast percentage of HH, pop, and employment within REMM modeling area vs within the UDOT space

Jul 23, 2025

EST Life Cycle
Repository
Estimation
TDM

Defines the household life cycle categories (children and seniors) used in the model.

Jun 3, 2025

DEV E2 CRT Improvements
Repository
Development
TDM

Development work on E2 and CRT improvements to the travel demand model.

May 2, 2025

Housing Inventory Overlay Version
Repository
Analysis

Create an extended version of the housing unit inventory with additional geographic attributes

Apr 9, 2025

Parking Lots
Repository
Analysis

Exploration of detecting parking lots from imagery with ArcGIS deep learning.

Apr 9, 2025

TAZ Grouping Analysis Variables
Repository
Analysis

Create road composition and socioeconomic variables for similar TAZ

Apr 9, 2025

EST Trucks Streetlight
Repository
Estimation
TDM

Processes and summarizes StreetLight truck data for the model.

Apr 8, 2025

INP Census Block to TAZ
Repository
Input data
TDM

TDM-Census-Block-to-TAZ

Apr 8, 2025

INP TAZ Renumbering
Repository
Input data
TDM

Reclassifies and renumbers TAZs using ArcGIS and spatial data.

Apr 8, 2025

INP TAZ to Census Tract
Repository
Input data
TDM

Assigns each TAZ to a census tract GEOID by spatial join of TAZ centroids.

Apr 8, 2025

INP Transit Node Renumbering
Repository
Input data
TDM

Scripts that renumber transit line files to new network node numbers.

Apr 8, 2025

INP USTM Externals Using National Network
Repository
Internal
Input data
TDM

Defines external pass-through trips by merging a national network with the statewide model. Requires WFRC GitHub access.

Apr 8, 2025

PP Merge ATO Outputs
Repository
Post-processing
TDM

Notebook demo of using Pandas to merge TDM-ATO Outputs

Apr 8, 2025

PP Transit Output Comparison
Repository
Post-processing
TDM

Compares daily transit boardings by mode and route between a base and a proposed transit scenario.

Apr 8, 2025

PP Average Commute Times
Repository
Post-processing
TDM

Calculates average model commute times for RTP performance measures, regionally and for Equity Focus Areas.

Apr 7, 2025

PP Plot ATO Travelsheds
Repository
Post-processing
TDM

Plots Access to Opportunity travelsheds from model skims.

Apr 7, 2025

PP Trip Stats by SE and Transit Intensity
Repository
Post-processing
TDM

Trip statistics and maps comparing centered development and transit intensity.

Apr 7, 2025

SCN Centers Transit Strategy Land Use
Repository
Scenario
TDM

Land use calculations for testing centers and transit strategies in the 2027 RTP.

Apr 7, 2025

SCN Three Transit Corridors Land Use
Repository
Internal
Scenario
TDM

Land use calculations for testing BRT and LRT on three transit corridors. Requires WFRC GitHub access.

Apr 7, 2025

ATO Recalc Exploration
Repository
Analysis

explore recalculated ato values using geopandas

Apr 4, 2025

ATO Workplace TAZ Based
Repository
Analysis

Code base for calculating traffic analysis zone (TAZ) based workplace Access To Opportunities metrics

Apr 4, 2025

RTP2023 Phasing Criteria
Repository
Internal
Analysis

2023 WFRC RTP phasing criteria. Requires WFRC GitHub access.

Apr 4, 2025

TIP Public Comment Processing
Repository
Analysis

Processes public comments on the Transportation Improvement Program.

Apr 4, 2025

DEV Replace Arcpy
Repository
Development
TDM

Test geoprocessing capabilities and ease of installation of various open source geospatial libraries

Apr 4, 2025

EST Bus Speeds
Repository
Estimation
TDM

Estimates ratios of bus speed to traffic speed from the congested model network and GTFS schedules.

Apr 4, 2025

INP Parcel to TAZ
Repository
Input data
TDM

Builds a lookup between parcels and TAZ IDs.

Apr 4, 2025

INP TAZ to ZIPCode
Repository
Input data
TDM

Creating a dataset that contains TAZID and ZIPCode information

Apr 4, 2025

VAL Mode Share Boardings
Repository
Validation
TDM

Validates model mode share against survey data.

Apr 4, 2025

VAL OBS Ridership Comparison
Repository
Internal
Validation
TDM

UTA Boardings and On-Board Survey Data from fall 2019. Requires WFRC GitHub access.

Apr 4, 2025

VAL Scenario Comparison Toolbox
Repository
Validation
TDM

Scripts for validating and viewing model outputs before the v9.1.0 release.

Apr 4, 2025

SE Descriptive Statistics
Repository
Analysis
REMM

This notebook calculates descriptive statistics (including the average) of SE values of multiple REMM runs

Aug 13, 2024

Process SE Output For Web
Repository
Analysis
REMM

Process TAZ level REMM output to various TAZ 9.0.0 geographies for SE Data Reviewer Web App

Oct 12, 2023

OUG Tools
Repository
Analysis

A set of tools to merge individually owned units into Owned Unit Groupings in a Parcel Dataset

Aug 23, 2023

Manage Base Year Data
Repository
Internal
Analysis
REMM

Workspace to inspect, check and convert base year data into REMM-ready inputs. Requires WFRC GitHub access.

Jun 7, 2023

SE Comparison Tools
Repository
Analysis
REMM

REMM-SE-Comparison-Tools

Apr 25, 2023

Analysis Tools
Repository
Analysis
REMM

Notebooks and scripts for various REMM-related tasks

Jan 27, 2023

TAZ SE Review For MB
Repository
Analysis
REMM

REMM TAZ-level SE review environment

Oct 11, 2022

Random Forest Variable Analysis
Repository
Analysis
REMM

Random forest analysis to select the top variables for REMM estimation.

Jul 7, 2022

Process Progression Metrics For Web
Repository
Analysis
REMM

Process progression metrics output for use in the web app

Jun 14, 2022

Input Data Prep 2019
Repository
Analysis
REMM

REMM-Input-Data-Prep-2019

May 31, 2022

Animate Modeling Results
Repository
Analysis
REMM

Process modeling results and animate as a gif file

May 7, 2022
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