Managed Lanes

Reversing the Additional Lane Trend.  World Highways magazine discusses the findings of the Rathbone "Urban Freeways" report, which provides evidence that agencies can often save considerable future time and money by planning reversible lanes into new freeway construction.  Case studies from California and British Columbia are investigated.  June, 2018.

The Moveable Barrier's Time Has Arrived.  This 2015 article highlights Road Zipper systems around the world and discusses the various benefits of existing and future installations, including planning for future flexibility.

New and Improved: New Zealand's Moveable Barrier System.  After 20 years of service, the moveable barrier system on the Auckland Harbour Bridge is replaced with a modern system offering significant upgrades.

A Cost-Effective Approach to Decongesting Traffic.  Public Works magazine looks at the Northeastern United States, where moveable barrier helps mitigate congestion on bridges in and out of New York, Pennsylvania and New Jersey.

The Key to the Dynamic Highway.  TEC magazine prints a study of permanent moveable barrier installations around the world, including New Zealand and Puerto Rico.

Safer Separation.  Victoria Road in Sydney gets a moveable barrier system to improve the Bus Rapid Transit (BRT) program, and the agency's goals of saving 18 minutes off of the average bus trip are met on the first day of operation.  Reported by World Highways.


Improving Tunnel Safety.  Two tunnels in Austria are benefiting from a flexible work zone that keeps traffic flowing during commute hours, with positive protection and and expanded work zone for workers during off-peak hours.

Beating the DRUM for Faster Roadworks.  A combination of technologies including moveable barrier are being used to reduce time, cost and congestion for construction projects in the UK.

San Francisco's Presidio Parkway.  Work is underway to transform San Francisco's historic Doyle Drive into the new Presidio Parkway.  Traffic has been moved to a new bypass route, where a moveable median barrier mitigates traffic congestion.

Safety on the Highway.  Moveable barrier is incorporated into construction jobs in Montreal and Virginia, with high-dollar savings for the agencies and significantly accelerated construction schedules.

Accident Free.  Roads and Bridges reports on how moveable barrier was used on the St. Croix River Bridge to complete construction in one season instead of two, with nearly $1.5 million saved in user delay costs.

Rush Hour Remedy.  Ayres Associates, a design firm involved with the St. Croix River Bridge project, reports how moveable barrier trimmed the construction schedule and raised the average speed across the bridge from 9 mph to 51 mph.

Keeping the Chicago Skyway Open.  Better Roads explains how moveable barrier helped cut construction time from three seasons to two, while keeping two lanes open in the peak direction at all times using only three lanes.

Rapid Rehab.  Caltrans uses moveable barrier to keep California's I-15 flowing during rehabilitation.  Moveable barrier helped achieve an incredible acceleration from 8 months to only six weeks, with $6 million in construction savings.

Moveable Barrier Solves Work-Zone Dilemma.  Public Roads tells how moveable barrier kept traffic flowing on the McClugage Bridge, creating two lanes in the peak direction at all times using only three lanes.  The results?  "The use of QMB on the project was a tremendous success."  The project won an FHWA award for innovation.

Seamless Traffic Diversion.  A moveable barrier system is used for the first time on a major urban arterial in the US.  Benefits on 3500 South in Salt Lake City include $2.4 million in overall savings with the work completed seven months early, and a total benefit to cost ratio of 10:1.