FHWA Research and Technology Evaluation TechBrief: Innovative Intersection Design

Badgley, Jonathan; Fowler, Joshua; Mahavier, Kendall; Peirce, Sean; United States. Federal Highway Administration. Research and Technology Evaluation

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FHWA Research and Technology Evaluation TechBrief: Innovative Intersection Design

2021-10-01
By Badgley, Jonathan ; Fowler, Joshua ; Mahavier, Kendall ; ...

[PDF-669.71 KB]

English

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Creators:

Badgley, Jonathan ; Fowler, Joshua ; Mahavier, Kendall ; Peirce, Sean

Badgley, Jonathan ; Fowler, Joshua ; Mahavier, Kendall ; Peirce, Sean Less -
Corporate Creators:

United States. Federal Highway Administration. Research and Technology Evaluation
Contributors:

Huie, Mary
Corporate Contributors:

Turner-Fairbank Highway Research Center
Subject/TRT Terms:

[+]

Diamond Interchanges Interchanges And Intersections Left Turns Roundabouts U Turns
Publication/ Report Number:

FHWA-HRT-21-101
Resource Type:

Brief
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Highway Administration. Research and Technology Evaluation
Abstract:

This brief summarizes an evaluation of the Federal Highway Administration’s (FHWA’s) Innovative Intersection Design (IID) program. FHWA’s IID research and development (R&D) includes diverging diamond interchanges (DDIs), restricted crossing U-turns (RCUTs), displaced left turns (DLTs), median U-turns (MUTs), and mini-roundabouts. The purpose of the evaluation was to assess the effects of FHWA’s investment in IID research on the availability and quality of such research, the adoption of IIDs in the United States, and the impact of those intersections on safety and operational performance.
Format:

PDF
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:a05d28c05ff56ccdc9a5ba0cba601ec2e89ad7c640929090fa332a3079a382df
Download URL:

https://rosap.ntl.bts.gov/view/dot/59932/dot_59932_DS1.pdf
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FHWA Research and Technology Evaluation TechBrief: Innovative Intersection Design

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