Shannon Warchol

Works (9)

Updated: August 31st, 2023 05:01

2023 journal article

The potential of signalized offset T-intersections to accommodate new developments

INTERNATIONAL JOURNAL OF TRANSPORTATION SCIENCE AND TECHNOLOGY, 12(1), 217–229.

By: G. Yang n , S. Warchol*, C. Cunningham n & J. Hummer*

author keywords: Offset T-intersection; Intersection spacing; Traffic operations; Microsimulation
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: August 28, 2023

2021 journal article

Mobility Assessment of Pedestrian and Bicycle Treatments at Complex Continuous Flow Intersections

JOURNAL OF TRANSPORTATION ENGINEERING PART A-SYSTEMS, 147(5).

By: I. Ahmed n , S. Warchol*, C. Cunningham n & N. Rouphail n

author keywords: Continuous flow intersection; Displaced left turn; Alternative intersection; Pedestrian; Exclusive bicycle path; Stopped delay; Number of stops
TL;DR: This study evaluated the mobility performance of pedestrian-bicycle crossing alternatives at continuous flow intersections (CFIs) by comparing CFI crossing types with a standard intersecting pattern. (via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID
Added: June 23, 2021

2019 journal article

Queue-Based Guidance for Signalization Consideration at Two and Three-Legged Intersections

TRANSPORTATION RESEARCH RECORD, 2673(10), 416–426.

By: S. Warchol n, N. Rouphail n, C. Vaughan n & B. Kearns n 

TL;DR: A data-driven method for determining the need for considering additional signalization analysis at intersections with fewer than four legs is developed, similar to the delay-based level of service D/E threshold for two-way stop-controlled intersections in HCM6 Chapter 19. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: January 6, 2020

2017 journal article

Quality Assurance and Quality Control Processes for a Large-Scale Bicycle and Pedestrian Volume Data Program

TRANSPORTATION RESEARCH RECORD, 2644(2644), 19–29.

By: K. Jackson, S. O'Brien n, S. Searcy n  & S. Warchol n

Contributors: K. Jackson, . S.W. O'Brien, S. Searcy n  & S. Warchol n

UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

Use of Microsimulation to Evaluate Signal-Phasing Schemes at Diverging Diamond Interchanges

TRANSPORTATION RESEARCH RECORD, (2620), 10–19.

By: S. Warchol n, T. Chase  n & C. Cunningham n

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Impact of exit ramp geometric treatments at diverging diamond interchanges on queue spillback

Transportation Research Record, (2556), 75–85.

By: S. Warchol, B. Schroeder & C. Cunningham

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

Innovative Method for Remotely Fine-Tuning Offsets Along a Diverging Diamond Interchange Corridor

TRANSPORTATION RESEARCH RECORD, (2557), 33–43.

By: S. Kim n, S. Warchol n, B. Schroeder & C. Cunningham n

TL;DR: A method for remotely fine-tuning offsets for a DDI and its adjacent intersections using the dynamic bandwidth analysis tool (DBAT) that can coordinate any set of movements, as well as multiple travel paths is provided. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Safety Evaluation of Seven of the Earliest Diverging Diamond Interchanges Installed in the United States

TRANSPORTATION RESEARCH RECORD, (2583), 25–33.

By: J. Hummer *, C. Cunningham n, R. Srinivasan *, S. Warchol n, B. Claros *, P. Edara *, C. Sun *

UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2016 journal article

Signal Timing for Diverging Diamond Interchanges: Fundamentals, Concepts, and Recommended Applications

TRANSPORTATION RESEARCH RECORD, (2557), 1–10.

By: C. Cunningham n, B. Schroeder, S. Phillips, T. Urbanik, S. Warchol n & A. Tanaka

TL;DR: The state of the practice in DDI signal phasing with principles established in the Signal Timing Manual is documents, namely, that it uses consistent phase numbering in a logical format to describe each of the phasing concepts being considered and discussed in this paper. (via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

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