What is STREAMS
Smart Motorways?
Transmax's STREAMS Smart Motorways solution is a sophisticated suite of motorway management tools that is enabling road operators to tackle congestion and make people's road journeys safer and more reliable. Transport departments have seen outstanding results using STREAMS Smart Motorways.
The solution is a comprehensive suite of algorithms that prevent flow breakdown and accidents before they happen. It also provides tools to respond to incidents, if they occur, to get people moving again.
Transmax’s solution coordinates variable speed signs, ramp signals, dynamic message signs, lane control, and travel time signs that respond in real time to whatever is happening on the motorway.
Variable Message Signs
An electronic sign on a road that displays real-time travel information to inform travellers about road conditions such as incidents ahead, lane closures, congestion, travel times, adverse weather, changed traffic conditions and alternative route options.Variable Speed Limit Signs
Variable speed limit signs advise drivers when speeds have been changed from the prescribed limit, in response to a known incident or a change in traffic conditions. STREAMS can automatically display a supporting message on surrounding variable message signs. Traffic management signs inform drivers if a lane is open or closed and can also allow speed limited to be changed to suit traffic conditions.Traffic monitoring cameras
Integration with CCTV allows road operators to view cameras directly from the STREAMS graphical user interface to view real-time traffic conditions and respond to incidents on the road network.Ramp signals
Traffic lights at motorway on-ramps are used to control the rate at which vehicles merge on motorways. Ramp signals control traffic flow and improve safety on motorways.Vehicle detection sensors
A vehicle detection system installed in the road to detect vehicle presence and movement and transmit real-time data to traffic management system STREAMS.Travel time signs
Travel time signs on motorways provide drivers with real-time information on expected travel times to approaching motorway exits.Travel time signs
Travel time signs on motorways provide drivers with real-time information on expected travel times to approaching motorway exits.How does STREAMS
Smart Motorways work?
STREAMS treats the motorway network as an active system where congestion and incidents can be prevented via the careful control of roadside equipment. It uses sophisticated algorithms to precisely manage the triggers of flow breakdown: vehicle platooning, dynamic formation of bottlenecks, turbulence at merges, clogged exit ramps, phantom shockwaves, poor weather and delayed response to incidents.
Some of these techniques have been used before but Smart Motorways supports a cooperative and strategic approach that manages journeys from end-to-end. STREAMS integrates robust traffic detection, highly advanced dynamic metering algorithms and complementary traffic management components that work together to prevent the breakdown of motorways and improve predictability.
The cost of congestion cannot be underestimated.
Congestion cost the USA more than $70.4 billion in 2023,
a 15% increase from 2022*.
STREAMS Smart Motorways is an exceptionally cost-effective investment.
Reducing congestion on highways means people and goods experience more efficient road journeys,
which in turn supports the economy.
*Inrix 2024
Success of STREAMS
Smart Motorways in Australia
STREAMS Smart Motorways is delivering outstanding results for government road agencies and improving the journeys of millions of people. In Australia, Victoria’s most congested freeway has seen outstanding results from STREAMS Smart Motorways.
STREAMS Lane Use Management System active on the M80 Freeway
Start your journey
with STREAMS Smart Motorways
If you are hoping to address congestion through coordinated ramp metering or achieve maximum benefit from the full STREAMS Smart Motorways solution, Transmax can work with road departments to integrate the managed motorways features that will most effectively meet your needs.
Coordinated Ramp Metering
- Vehicle detection
- On-ramp metering
- Video monitoring
Additional Congestion Reduction
- Travel time advisory
- Variable message signs
- Dynamic variable speed limits
Active Event Management
- Event management support
- Lane use management signals
- Automatic weather response
- Advanced freeway-to-freeway management
About Transmax
Transmax is the solutions provider of the international award-winning ITS platform STREAMS. We exist to improve people’s lives by providing industry-leading transport solutions and help move millions of commuters around road networks every day.
Transmax is a government-owned entity supporting transport departments and road operators to achieve safer and more reliable road journeys.
We offer customers systems engineering, software design and development, along with a range of consulting and support services throughout the entire ITS lifecycle.
With 50 years of ITS experience, we help customers realise the community and economic benefits of optimising transport networks by providing smarter, more sustainable ITS solutions.
Contact Us
Get in touch with Transmax to find out more about STREAMS Smart Motorways and how your transport department and community can benefit from reduced congestion and more reliable road journeys.
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