DYNAMIC LANE MERGING FOR SHORT TERM WORK ZONES By Rami C. Harb PhD PE PTOE Essam Radwan PhD PE.

Slides:

Advertisements

Similar presentations

Traffic Topics Does the Zipper Merge threaten our way of life. Ken E

Advertisements

FDOT’s Motorist Awareness System

How would you like it if people drove their cars thru your office?

2015 VDOT – VAA Asphalt Seminar March 12, 2015 | Blacksburg, VA Work Zone Safety Mike Sharkady, ATCS, PLC. Senior WZ Safety Coordinator VDOT Southwest.

WARM UP  Use the Distributive Property to rewrite the expression without parentheses. 1. 5(y - 2) 2. -2(x - 6) 3. -1(1 + s) 4. -2(2 + t) 5. -3(x – 4)

February 26, 2015 | Fredericksburg, VA Work Zone Safety

Variable Speed Limits Making Work Zones Work Better Workshop Orlando, Florida 17 Sept. 03 Davey Warren Office of Safety Programs Federal Highway Administration.

COMMERCIAL MOTOR VEHICLE SIZE ENFORCEMENT. CURRENT CHALLENGES Significant Growth in CMV Traffic Increased congestion and delay Demand for larger and heavier.

SMART Work Zones: Technology for work zone management North Carolina Department of Transportation STAY ALERT Work Zone MAKING WORK ZONES WORK BETTER.

Preventing Runovers and Backovers

G4 Apps The Impact of Connected Vehicles on Traffic Operations ISMA Traffic Expo October 1, 2014.

Real-time Estimation of Accident Likelihood for Safety Enhancement Jun Oh, Ph.D., PE, PTOE Western Michigan University March 14, 2007.

1 Austin Transportation Department Ali Mozdbar, P.E., PTOE Division Manager, Traffic Signals Traffic Signal Features for Pedestrians & Bicyclists.

HCM 2010: TWO-LANE HIGHWAYS PRAVEEN EDARA, PH.D., P.E., PTOE UNIVERSITY OF MISSOURI - COLUMBIA

EX-1 Intersections & Interchanges Improved Traffic Signal Control Ramp metering Intersection Collision Avoidance Systems Automated Enforcement.

CE 578 Highway Traffic Operations Lecture 4: HCM Directional Analysis.

1 Evaluation of Effectiveness of Automated Workzone Information Systems Lianyu Chu CCIT, University of California Berkeley Hee-Kyung Kim, Yonshik Chung,

Evaluation Tools to Support ITS Planning Process FDOT Research #BD presented to Model Advancement Committee presented by Mohammed Hadi, Ph.D., PE.

CEE 320 Spring 2007 Traffic Detection Systems CEE 320 Steve Muench.

AMERICAN SIGNAL COMPANY. Intelligent Transportation System Technology AMERICAN SIGNAL COMPANY.

Florida Department of Transportation District 4 TSM&O Program Advanced Transportation Management System (ATMS) Installation in South Broward County ATMS.

Advanced Lane Management Assist (ALMA) for Partially and Fully Automated Vehicles Robert L. Gordon, P.E. 1.

1 Operational Evaluation of Dynamic Lane Merging In Work Zones With Variable Speed Limits University of Central Florida Dr. Essam Radwan, P.E. Mr. Zaier.

Office of Traffic, Safety and Technology Chapter 9 New Technologies Traffic Signs 101 November 20, 2014.

Aaron B Wilson, EIT WesTech Engineering, Inc., SLC, UT Mitsuru Saito, PhD, PE Brigham Young University, Provo, UT ITE Western District Annual Meeting Santa.

Driving a car down Anzac Parade on a rainy night Risk Assessment.

1 Development and Evaluation of Selected Mobility Applications for VII (a.k.a. IntelliDrive) Steven E. Shladover, Sc.D. California PATH Program Institute.

RTMS (Remote Traffic Microwave Sensor) DEPT

Center on Tolling Research Technology for Managed Lanes Christopher Poe, Ph.D., P.E. Assistant Agency Director Director, Center on Tolling Research Texas.

MODULE 4 Traffic Incident Management and The Road Ranger/TMC Operator

TRANSPORTATION ENGINEERING Planes, Trains, Automobiles and More Ardrey Kell High School February 23, 2012.

C ONSIDERING L ARGE T RUCKS IN THE D EVELOPMENT OF T RAFFIC M ANAGEMENT P LANS Neil Boudreau, MassDOT State Traffic Engineer April 13, 2015.

Application of Intelligent Transportation Systems (ITS) for Statewide Traffic and Evacuation Monitoring and Management in Louisiana April 16, 1999.

Efficient Traffic Flow:

Traffic Safety and Operations Lab Dept. of Civil and Environmental Engineering University of Maryland, College Park Maryland State Highway Administration.

Work Zone Safety CE 486 Spring 2004 DISCLAIMER: This document is provided as part of the requirements of a civil engineering course.

 A coefficient is the number part of a term that includes a variable.  Example: 2x  2 is the coefficient  x is the variable.

How do we focus on the future in our urban environments?

Multiplying Polynomials.  To multiply exponential forms that have the same base, we can add the exponents and keep the same base.

Understanding Work Zones

Virginia Department of Education

Do Now (3x + y) – (2x + y) 4(2x + 3y) – (8x – y)

Transportation Operations Group Designing for Speed, Congestion, and Delay in the Work Zone Gerald Ullman Research Engineer Texas Transportation Institute.

 We combine like terms in order to simplify expressions. Vocabulary: 1. Terms = sets of numbers and/or variables separated by addition and subtraction.

Archived Data Management System in Kentucky Mei Chen, Ph.D. Dept of Civil Engineering University of Kentucky November 7, 2003.

Work Zone Operational Enhancements Jennifer Livingston, P.E. ADOT – Senior Project Manager.

Construction Vehicle Access and Egress Module 4.  Access to- and egress from work zones presents significant challenges. Hazards are compounded when.

Construction zones and traffic control Objective Review extent of problem Identify contractor responsibilites Identify control plan components.

Brian Kary – Freeway Operations Engineer Minnesota Department of Transportation.

Safety Signs. Traffic Light Ahead Slow down and prepare to stop.

HCM 2010: FREEWAY FACILITIES PRAVEEN EDARA, PH.D., P.E., PTOE UNIVERSITY OF MISSOURI - COLUMBIA

1 Bidoura Khondaker MASc. (Transportation Engg), University of British Columbia, Vancouver. PhD candidate (Transportation Engg.), University of Calgary.

Brian Kary Freeway Operations Engineer. Active Traffic Management.

Development of Traffic Simulation Models Course Instructors: Mark Hallenbeck, Director, UW TRAC Tony Woody, P.E., CH2M HILL Offered By: UW TRANSPEED xxxxx,

Intelligent Transport System (ITS) - A way forward? Gopinath Menon, Singapore 2016.

2 Understanding Variables and Solving Equations.

ITS IN WORK ZONES IS smart business

B.02 Combining Like Terms.

SIMPLIFY THE EXPRESSION

Combining Like Terms.

3a2 + 4az + -6b What is the coefficient in each term? Notice that it is obvious when we write + -6b, but when this is simplified to a single subtraction.

Traffic Control Plan A plan directed to the safe and expeditious movement of traffic through construction and to the safety of the work force performing.

Simplifying Variable Expressions

Learn to combine like terms in an expression.

Combining Like Terms CA 1.0, 4.0.

Simplifying Algebraic Expressions

2.7 The Distributive Property

Simplify by combining like terms

Graduate Research Assistant

Presentation transcript:

DYNAMIC LANE MERGING FOR SHORT TERM WORK ZONES By Rami C. Harb PhD PE PTOE Essam Radwan PhD PE

Simplified Dynamic Lane Merging MOT plan used in FL is the Motorist Awareness System (MAS) Add dynamic lane merging schemes to the regular MAS 2 forms of dynamic lane merging: 1-Dynamic Early merge 2-Dynamic Late merge Compare Safety and Operations

Simplified Dynamic Lane Merging CONVENTIONAL FL MOT

Simplified Dynamic Lane Merging MODIFIED CONVENTIONAL FL MOT

DLM System Design DLM Components 1.RTMS : Remote Traffic Microwave Sensors 2.On-board processor 3.UHF communication modem 4.Central communications system 5.PCMS: Portable Changeable Message Sign RTMS Unit

DLM System Design DLM Components

DLM System Design DLM SETUP

Results Modified MOT Plan Replication in VISSIM

Calibration

MOEs Speed Variance Deceleration rates Coefficient of variance Control Variables MOT type Demand Volumes Vehicle Classification Compliance rate MOT Types: MAS VSL Early DLM Late DLM EDLM+VSL LDLM+VSL

Results Early and late SDLMS performed better in both open and closed lane than all other MOT types for low and medium volume levels (V0500, V1000 and V1500). V2000 and V2500, VSL was significantly better than SDLMS combinations, respectively.