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Field and Safety Evaluation of Mini-Roundabouts

Project Information

Project ID: 
FHWA-PROJ-10-0066
Project Status: 
Active
Start Date: 
Friday, October 1, 2010
End Date: 
Thursday, October 1, 2015
FHWA Program: 
Safety
FHWA Subprogram: 
Safety Design and Operations
FHWA Topics: 
Safety--Local and Rural Road Safety; Safety--Pedestrian and Bicycle Safety; Safety--Safe Routes to School; Safety--Intersection Safety
TRT Terms: 
Roundabout; Multiway Yield Signs; Pedestrian Safety; Cyclist; Research; Safety; Traffic Congestion
FHWA Discipline: 
Safety
TRB Subject Area: 
Safety and Human Factors, Transportation (General)

Contact Information

First Name: 
Wei
Last Name: 
Zhang
Telephone: 
(202) 493-3317
Email Address: 
Team: 
Roadway Team
Office:
Office of Safety Research and Development
Office Code: 
HRDS-10

Project Details

Project Description: 

This project plans to accomplish:(1) Field evaluation of five existing sites.(2) Marketing material and video for new installations.(3) Field evaluation and crash comparison of expected 10 new sites.

Project Findings: 

Mini-roundabout design has been proven effective in eliminating traffic congestion on all-way stop-controlled (AWSC) intersections.

Deliverables

Deliverable Name: 
Draft report of field evaluation of existing site and design considerations submitted May 16, 2010.
Deliverable Type: 
Research report or guidelines
Deliverable Description: 
The products are documented findings of five mini-roundabouts constructed before start of this contract.
Deliverable Name: 
Draft summary report of field evaluation of new sites due February 27, 2013. Draft summary report of field evaluation of all sites due November 27, 2015
Deliverable Type: 
Research report or guidelines
Deliverable Description: 
The products are document findings of before-and-after operational evaluation of at least 10 mini-roundabouts.
Deliverable Name: 
Draft crash analysis report December 30, 2015.
Deliverable Type: 
Research report or guidelines
Deliverable Description: 
The products are document findings of before-and-after crash analysis.