CATT Lab Links, January 2021 TRB

   ► Request or renew RITIS log-in

      ► Classic Suites and Tools 

Learn about O-D matrix, zone and route analysis tools, signalized intersection and arterial corridor analysis, the Probe Data Analysis suite, and the classic situational awareness tools of the RITIS platform

      ► NPMRDS Analytics

Learn how the classic PDA tools -- Congestion Scan, Trend Map, Performance Charts and User Delay Cost -- have been modified to work with NPMRDS-formatted data (including data availability for non-NHS highways)

      ► Templates for Easy Report Preparation

Learn how to use RITIS tools within downloaded Powerpoint templates to produce professional and informative reports for stakeholders and the public

      ► Technical flyer: Signal Analytics

Learn the details about using entirely remotely-collected probe data to evaluate and monitor traffic signal performance -- metrics are reported by movement, and include approach speed, travel time and delay; signal cycle failures; and percent arrival on green (POG)

      ► Technical flyer: Special Tools for Arterial Performance Monitoring

Learn how to use the modern higher-resolution road segment speed data to find and document subtle trends on arterial corridors, and more tightly isolate congested sections

  RITIS — What's New?

The Intersection Analysis module of Signal Analytics uses probe vehicle-based trips data to assist users to analyze and monitor the performance of hundreds or even thousands of intersections. This tool allows you to calculate, by each of the 12 typical movements, key signal performance metrics such as travel time, approach speed, control delay, signal cycle failure, and percent arrival on green (all without deploying any roadside sensors or communications).

   ► Signal Analytics - Intersection Analysis video tutorial

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The COVID-19 Impact Analysis Platform allows decision makers, researchers, and the public to analyze how social distancing and stay-at-home orders are affecting travel behavior and spread of the coronavirus. The platform helps visualize variations and trends in national, state, and county-level metrics for mobility and social distancing, COVID-19 and health, economic impact, and vulnerable populations. The combination of these metrics and their changes over time allows users to assess impacts and inform further decisions.

   ► Go to website

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Major events and emergencies can affect operations across multiple transportation modes. Known as a common operating platform (COP), this suite provides TOC operators and other stakeholders with at-a-glance views of event impacts on people and goods for all transport modes (aviation, highway, rail and marine) – metrics include highway closures & delays near terminals, parking availability, transit & aviation on-time status, and vessel arrival/docking metrics.

   ► Go to website (Requires RITIS login)

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The Route Analysis tool within the Trip Analytics suite examines travel patterns between zones of Origin and Destination, and displays segment-by-segment pathways. This enhancement enables a user to choose only an origin or only a destination. The analyst may then draw cordon lines or screen lines wherever wanted. The Route Table (not shown) continues to list how many trips followed each unique route, and calculates travel time and reliability metrics.

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The patterns of energy consumption and generation of regulated emissions are becoming central to planning for the future of transportation. Built in conjunction with the National Renewable Energy Laboratory (NREL), this tool enables analysts to specify highways, time periods and other parameters for micro-level understanding and documentation of the patterns of energy use and emissions.

► Go to the Energy Use Dashboard site (Requires RITIS login)

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Temporal Comparison Maps give users a unique set of functions to visualize and analyze highway performance metrics in the form of synchronized, side-by-side maps ; these provide key performance indicators along any roadway corridor and time period of interest. This tool will also calculate the change (delta) of performance indicators across a customizable set of dates and time ranges. Temporal Comparison Maps give operators and planners data-driven insights to better understand and document before-and-after impacts of mobility and safety investments.

   ► Probe Data Analytics Temporal Comparison Maps tutorial video

   ► Go to PDA Temporal Comparison Maps site (Requires RITIS login)

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  RITIS — Classic Analytics

The RITIS Map and other situational awareness tools present more than a dozen real-time geospatial data feeds, providing information about the transportation system not only to TOC operators but agency managers and authorized stakeholders. Event data from each agency, DMS locations and their current messages, traffic detectors with real-time charting for their speeds and volumes, probe speed data, and weather radar data are just a few of the real-time data sets made available through the RITIS situational awareness dashboards and visualizations.

   ► RITIS Traffic Map video tutorial

   ► RITIS 101 video tutorial

   ► Go to website (Requires log-in)

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The classic tools of PDA provide users with the ability to look-up, document and visualize highway traffic conditions and impacts based on any highway set and time window (from just this morning to years ago). Performance metric maps with time sliders, heat maps, congestion maps, bottleneck maps, user delay cost calculations, charts, graphs and tables, and much more, put a world of information and documentation at the fingertips of agency staffs regionwide.

   ► Probe Data Analytics Dashboard video tutorial

   ► Go to PDA Suite site (Requires log-in)

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Many of the tools of PDA have been adapted to work in the NPMRDS format — these are Congestion Scan (for heat maps), Trend Map, Performance Charts and Summaries, and User Delay Costs. An extension of the NPMRDS to non-NHS highways is available from the data vendor (INRIX), adding to the value of NPMRDS Analytics.

   ► Go to NPMRDS Analytics (Requires log-in)

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The MAP-21 tool set includes capabilities to compute, visualize, and download all of the PM3 Metrics and sub-metric data as required to be reported by FHWA.Agency speed-limit data can be integrated, and trend-line capabilities are already helping agencies more easily address target-setting requirements. Soon to be completed: an “easy button” will allow agencies to immediately create all of the necessary files and deliverables to FHWA for compliance.

   ► MAP-21 video tutorial

   ► Go to MAP-21 (Requires log-in)

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The three tools of Trip Analytics provide insights into the trips that people take – where they begin, where they end, and segment-by-segment routes along the way. These tools leverage databases of hundreds of thousands — even millions — of real trips taken by active, anonymous vehicles on the road.

OD Matrix
Given a large study geography, this tool builds a matrix — an Origin-Destination (OD) matrix — describing vehicle movement patterns between any two zones — where they started and where they ended.

   ► Trip Analytics - OD Matrix video tutorial

Segment Analysis
Given a single highway link or corridor, this tool isolates the vehicles that used that corridor, and builds an OD matrix for them and a map. Together these visualizes where they came from and where they went.

   ► Trip Analytics - Segment Analysis video tutorial

Route Analysis
Given an origin and a destination, this tool shows routes used by vehicles traveling between them. A table lets you examine each route's metrics, while a map visualizes the relative routes, and provides tools for inspection.

   ► Trip Analytics - Route Analysis video tutorial

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