2025 IBTTA Maintenance, Engineering & Roadway Operations Workshop Resources
IBTTA Maintenance, Engineering & Roadway Operations Workshop 2024 Resources
Check out our resources from the 2024 IBTTA Maintenance, Engineering & Roadway Operations Workshop below! We hope you enjoyed our presentation on "Safety and Mobility in Tunnel and Bridge Work Zones!
Tunnel Work Zone Resources
Doyle Drive - Road Zipper for Construction Case Study
See how moveable barrier immediately raises the level of safety on Doyle Drive in San Francisco.
Doyle Drive - Road Zipper for Construction - World Highways Article
See a detailed study by World Highways on how moveable barrier has made Presidio Parkway, a breathtaking and eco-friendly southern approach road to San Francisco's Golden Gate Bridge.
Autostrade per l'italia - Project Results
Key achievements overview of the Autostrade per l'italia project in Italy.
Lindsay Transport’s Road Zipper at Hirschstetten and Stadlau Tunnels - World Highways Article
Lindsay recently used the Intertraffic exhibition in Amsterdam to highlight a major deployment of its Road Zipper System in Austria Work is underway in Vienna to rehabilitate two ageing tunnels and the asphalt highway sections that connect them – a major route into and out of the Austrian capital Vienna.
NYS DOT Work Zone Incident
Work zone crews put their lives on the line daily to keep NY roads safe. Their request is simple: slow down, move over when possible, and stay alert. Fortunately, this crew wasn’t seriously injured in this recent incident on I-88 in Otsego County, but it could have been much worse.
Flexible Lane Management Resources
Alex Fraser Bridge Case Study
Lane management is expected to alleviate traffic congestion and improve mobility on roadways. Previous studies have mainly analyzed the impacts of lane management on the road segment rather than the road network. Because lane management strategies can affect traffic flows in the neighboring traffic regions and the entire road network, it is suitable to assess traffic impacts in the entire road network. This study proposed an analytical framework to evaluate lane management’s impacts and economic effects using location-based data, including road segments, traffic zones near road segments, and the road network.
OpBrock M20 Case Study
When Brexit took effect on January 1, 2021, a new congestion management plan known as Operation Brock, or “OpBrock,” was instituted on the M20 between London and the Port of Dover. A key component of the OpBrock plan is Road ZipperTM Moveable Barrier System - a forward-thinking solution that allows for future flexibility and readiness including the option to change the road configuration based upon traffic and port conditions.
Boston I-93 HOV Lane Case Study
During construction in the 1980’s, barrierseparated cattle shoots were implemented to mitigate traffic, and after the project was completed these lanes were converted into continuous access HOV lanes for buses, vanpools and general purpose carpools. By the early 1990’s, MassDOT had completed feasibility studies for implementing a “short term” HOV lane solution that was designed to be in place for 10 years or less until the completion of new construction to widen the freeway, which had an estimated cost of $300 million to $1.2 billion. By this time, the Southeast Expressway was carrying 190,000 vehicles per day.
Germany A9 Road Zipper Construction Case Study
Using the Road Zipper System for the A9 construction project in Germany, officials were able to: allow full-width construction, keep traffic moving, re-route high-speed trains, add another layer of protection for construction crews, adjust the times where the barrier is moved and provide flexibility in the event of a traffic accident.
Auckland Harbor Bridge Case Study
From 1984 to 1988, there were 10 fatalities due to crossover head-on accidents. A worldwide search and study to eliminate this problem was conducted by Works Consultancy Services, Ltd., and after a thorough investigation, the Quickchange® Moveable Barrier (QMB) was chosen. Construction of the new systems began in December, 1989, and the system was commissioned in November, 1990.
BRT Lane, Victoria Road, Sydney, Australia Case Study
This ambitious project included duplicating the Iron Cove Bridge to relieve the major congestion chokepoint. On Victoria Road, the Alliance reviewed several options before choosing to install a moveable concrete median barrier that could reconfigure the roadway to add a lane to the peak morning direction, giving the peak direction four lanes instead of three.
Road Zipper Construction Applications: England A21 and Pesio Bridge, Italy - Case Study
In the United Kingdom, Quickchange® Moveable Barrier (QMB®) was officially introduced in September, 2006. The barrier was used to mitigate congestion associated with the construction of a new lane on the A21 Sevenoaks Bypass. The barrier allowed rapid lane opening and closing to maximize traffic flow during construction while providing positive barrier separation at all times to protect motorists and workers.The Pesio Bridge in Italy is a 1.3 mile (2km) double-span bridge that carries four lanes of traffic from the A6 motorway between Turin and the seaside town of Savona. For Phase 2 of the project a moveable median barrier was installed on the bridge. This allowed the flexibility to quickly reconfigure the road layout to give two lanes to the seaside travellers on Friday and Saturday, and two lanes back towards Turin for the return journey. No more closures were necessary, and the traffic queues vanished.
Denmark M10 Road Zipper Project Case Study
Project Highlights:
- Average commuters saved 13 minutes
- Maximum traffic flow increased up to 30%
- User delay cost savings of US $45 million
- Benefit to Cost Ratio of 28:1
- Many users found the Road Zipper solution “brilliant”
- No injury accidents through the managed lanes
Austria Tunnel Road Zipper Construction Case Study
Project Highlights:
- Barrier Wall Length: 1.8 miles (3 km)
- Barrier wall ran through two tunnels
- Barrier wall was deployed at night, stored during the day
- One Barrier Transfer Machine made all moves
- Two-year project to rehabilitate both tunnels and the asphalt roadway connecting them
Reimagining Safety and Mobility for Interstate Work Zones (Webinar)
The natural aging of existing roadway infrastructure around the world leads to a growing number of road work zones for maintenance and rehabilitation of the infrastructure. Effective transportation management plans for road projects help manage the work zone impacts of the project including minimizing traffic delays, maintaining motorist and worker safety, conforming to project schedules and maintaining access for businesses and residents. This presentation focuses on two of these attributes, safety and mobility, using examples of pavement rehabilitation and median barrier replacement projects.When freeway lanes are occupied due to construction activity, user delay costs can easily climb to millions of dollars. Moveable barrier and automated gates technology mitigates traffic congestion by quickly establishing the lane closure, under traffic, with the benefit of concrete barrier to increase work zone safety. New technologies create safer, less congested work zone environments for motorists and provide a new level of safety for workers. The presentation discusses the: importance of safety-first approach in traffic management, technology-based safety and mobility solutions, and real-world lessons from projects that prioritized safety and mobility.
Acceler8 Bridge Project, I-90 Massachusetts Turnpike (Article)
The use of the Road Zipper System allowed for this type of construction (that would typically take years) to take took less than two months. While this type of project is costly and highly incentivized for a contractor, MassDOT says it offsets the costs associated with drivers sitting in lengthy traffic backups.
Learn more about the Road Zipper System
Our flagship product, the Road Zipper System®, provides a smarter, safer and faster way to manage congestion and improve the way people move on the road—today and for the future. This cost-effective, reusable solution uses the Barrier Transfer Machine to lift barriers that can easily reconfigure travel lanes in real time, all while maintaining a secure barrier between lanes.
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