FHWA Research and Technology Evaluation TechBrief: Innovative Intersection Design

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

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FHWA Research and Technology Evaluation TechBrief: Innovative Intersection Design

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

File Language:

English

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Creators:

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

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

Huie, Mary
Corporate Contributors:

Turner-Fairbank Highway Research Center
Subject/TRT Terms:
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
Download URL:

https://rosap.ntl.bts.gov/view/dot/59932/dot_59932_DS1.pdf
File Type:

[PDF - 669.71 KB]
Collection(s):

Federal Highway Administration
Main Document Checksum:

urn:sha-512:4768aee22918627b1270a96808bdee64f370651d2b16589ce5f7219225da5495cdc1baeabcfa38d92b249a20b650e21f29e7353cf1fc739004d216cb09704c60

File Language:

English

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