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Juneau Riverside & Stephen Richards Congestion

Mitigation Project SFHWY-00081

 

Riverside

 

A Public Open House was held in Juneau on July 11, 2018

Project team members were at the open house to explain design concepts, answer questions, and listen to your comments.

More information about this project and materials from the public meeting are posted HERE.

 

Project Description

The Alaska Department of Transportation and Public Facilities (DOT&PF) proposes a project to reduce traffic congestion at the intersection of Stephen Richards and Riverside Drive in Mendenhall Valley.

The purpose of the project is to reduce traffic congestion which occurs during morning and evening commuting periods at the intersection of Stephen Richards Memorial Drive and Riverside Drive. Traffic congestion at the four-way stop intersection creates delays and emissions in an air quality maintenance area – the Mendenhall Valley.

This project will assess and evaluate intersection concepts to reduce congestion and limit resultant traffic delays and emissions.

Current Conditions

DOT&PF has contracted consultants Kinney Engineering to analyze the Riverside Drive / Stephen Richards Memorial Drive intersection and to develop traffic control alternatives to reduce congestion in the area.

A preliminary review of the intersection's performance was presented to DOT&PF in an Existing Conditions Report.

Click HERE to view a PDFPDF document of the full report.

Click HERE For a PDFPDF document of a short summary.


The primary findings of the Existing Conditions report are:

  • The current all-way stop control was installed in 2008, and since that time lower crash rates have been observed. 


  • The intersection currently experiences long queues and excessive delay during the morning and evening peak hours. The traffic pattern is very directional. In the morning peak hour, the predominant movement is southbound through traffic towards downtown, and in the evening peak hour it is northbound through traffic returning to the Mendenhall Valley. About half of the traffic moving the intersection during peak hours is in one direction, with the morning peak traffic heading southbound and the evening peak traffic heading northbound.


  • In the morning peak hour, delay currently averages 89.4 seconds per vehicle, or about 29 hours of delay every day. This is expected to increase to 112.2 seconds per vehicle or 39 hours of delay every day by 2040 if the existing four way stop is left in place.


  • In the evening peak hour, delay currently averages 88.7 seconds per vehicle, or about 33 hours of delay every day. This is expected to increase to 151.1 seconds per vehicle or 64 hours of delay every day by 2040 if the existing four way stop is left in place.

 

Over the coming weeks the consultant will be evaluating options for addressing the congestion at this intersection.

Click here more project information