operations subcommittee

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MEETING WILL BEGIN SHORTLY

R E G I O N A L T R A N S P O R T A T I O N C O M M I S S I O N

Operations SubcommitteeMay 19, 2020

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Item #1

CONDUCT A COMMENT PERIOD

FOR CITIZENS PARTICIPATION

Item #2

APPROVAL OF THE MINUTES:

MEETING OF JANUARY 21, 2020

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Item #5

RECEIVE A PRESENTATION FROM

NEXAR REGARDING INTELLIGENT

TRANSPORTATION SYSTEMS WORK

ZONE AND ROADWAY INVENTORY

DETECTION PLATFORMS

05.19.2020 © Nexar 2020RTC Operations Subcommittee

RTC Operations Subcommittee

May 19, 2020

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13.05.2020 © Nexar 2020Understanding the Road at Scale with Spark

CityStream Overview

Video

Road Work Zone Update

Detection and Monitoring

Road Inventory Introduction

Detection and Monitoring

Virtual Camera

Preview

Agenda

05.19.2020 RTC Operations Subcommittee

05.19.2020 © Nexar 2020RTC Operations Subcommittee

CityStream Overview

05.19.2020 © Nexar 2020RTC Operations Subcommittee

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05.19.2020 © Nexar 2020RTC Operations Subcommittee

RTC has staked out a leadership

position in the US

● Driver network yields over 3M

miles/month

● Vast repository of fresh and

actionable data

● No other metro area has this

capability

All-in-Ones to be installed on

RTC buses

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Road Work Zones

© Nexar 2020

05.19.2020 © Nexar 2020RTC Operations Subcommittee

Current Situation

● Aggregation improvements -

detection type with supported

bounding boxes

● New UI release - includes time filters,

vehicle heading, and detection type

Focus is to display ground truth with

visual support

● Change detections in development

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Road Work Zones

© Nexar 2020

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05.19.2020 © Nexar 2020RTC Operations Subcommittee

Road Work Zones

05.19.2020 © Nexar 2020RTC Operations Subcommittee

05.19.2020 © Nexar 2020RTC Operations Subcommittee12

Road Inventory

● First Shape File Presented to City of

Henderson

● CityStream Beta Portal showing sign

categories at intersections -

Henderson & Las Vegas have been

introduced to the Road Inventory

feature in CityStream

● All detections are supported with

visual imagery

© Nexar 2020

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05.19.2020 © Nexar 2020RTC Operations Subcommittee

Road Inventory

05.19.2020 © Nexar 2020RTC Operations Subcommittee

05.19.2020 © Nexar 2020RTC Operations Subcommittee14

Virtual Camera

● Leverage our network to provide

imagery from locations of interest

with filtering capabilities

● Locations set up for RTC, Henderson

and Las Vegas -

50 in total

© Nexar 2020

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05.19.2020 © Nexar 2020RTC Operations Subcommittee

Virtual Camera

05.19.2020 © Nexar 2020RTC Operations Subcommittee

13.05.2020 © Nexar 2020Understanding the Road at Scale with Spark

Thank you!

Elan Nyer

VP, Data Services

elan@getnexar.com

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Item #3

DISCUSS A REGIONAL GIS DATA

SCHEME FOR TRANSPORTATION

INFRASTRUCTURE

Item #4

RECEIVE A PRESENTATION

REGARDING THE TRAFFIC SIGNAL

PERFORMANCE METRICS SYSTEM

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R E G I O N A L T R A N S P O R T A T I O N C O M M I S S I O N

Advanced Features of Automated Traffic Signal

Performance Measures System (ATSPM)Gang Xie, Sr. Project Engineer | May 19, 2020

• Introduction

• System architecture

• Key features

• Applications

• FAST enhancements

• Future enhancements

Agenda

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FAST ATSPM Home Page:

http://challenger.nvfast.org

Why ATSPM?

• Need arterial/signal dashboard

• Make our signal smarter

• UDOT free open source system

• Promoted by FHWA nation wide

• FAST ATSPM is the 3rd largest in the country

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ATSPM System Architecture

Email alert

Key Features

• Watchdog daily email alert

• Split monitor

• Lane by lane traffic count

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Watchdog Daily Email Alert

Split Monitor

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Bad Detection vs Good Detection

10/15/2018

10/18/2018

Bad detection causes max-out

and force-off

Lane by Lane Traffic Count Plot

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Lane by Lane Traffic Count Data Download

Video Detection Zones for Turning Movement Counts

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FAST Enhancements

• Smartphone app

• Travel time runs

• Time space diagram

• Time space trajectories

• Automated before & after study

Travel Time Run Smartphone Apps

iOS version Android version

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Travel Time Runs

Time Space Diagram

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Time Space Trajectories

Automated Before/After Comparison

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Can We Address Citizen Complains?

• Make signals smarter

• Easily identify problems

• Real time 24x7 data collection

• Smartphone app can make every car as probe vehicle

• Before & After study

Summary

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• Upgrade to new version ATSPM 4.2

• Make the watchdog smarter

• Add more meaningful measures & plots

Future Enhancements and To-Do List

Questions?XieG@rtcsnv.com

702-432-5356

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Item #6

DISCUSS AND RESOLVE VARIOUS

TRANSIT SYSTEM/TRAFFIC

ENGINEERING OPERATION/LAW

ENFORCEMENT ISSUES

Item #7

APPROVE REVISIONS TO THE UNIFORM

STANDARD DRAWINGS WITH RESPECT

TO CURRENT ACCESSIBILITY BEST

PRACTICES WITHIN THE RIGHT-OF-WAY

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Item #8

RECEIVE A REPORT ON THE

CURRENT STATUS OF REVISIONS

TO THE UNIFORM STANDARD

SPECIFICATIONS AND DRAWINGS

Item #9

DISCUSS TOPICS OF INTEREST

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Item #10

CONDUCT A COMMENT PERIOD

FOR CITIZENS PARTICIPATION

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MEETING HAS ENDED