How Powerful Compatibility and
Open Integration Enable Rich
Applications in Smart Traffic

Modern traffic management faces growing challenges as application scenarios become more complex and multiple systems operate in parallel. Different platforms, devices, and data standards often fail to work seamlessly together, resulting in integration difficulties and reduced efficiency.

To address these challenges, building compatibility and integration across traffic systems has become essential. By bridging hardware, software, data, and platforms, such solutions enable seamless interoperability and unlock real value across diverse traffic applications.

 Why Compatibility and Integration Matter in Smart Traffic

Diverse System Requirements from Complex Traffic Scenarios

Traffic management today covers diverse subsystems such as parking management, traffic monitoring and analysis, ETC. Each system relies on different technologies, protocols, and hardware interfaces. As the scenarios requiring traffic management continue to expand, new systems and technologies emerge, making it increasingly difficult to maintain interoperability and unified management.

When systems fail to work together, unified management and adjustment become impossible, making long-term scalability and cross-system coordination difficult to achieve.

Compatibility Issues Across Regions and Vendors

Traffic systems vary significantly between regions and manufacturers, often using different hardware interfaces, communication protocols, and data standards. This lack of uniformity makes integration time-consuming and costly, and prevents cross-system data sharing.

As a result, many traffic authorities struggle to fully leverage actionable data value — limiting insights, slowing response efficiency, and constraining data-driven decision-making in traffic management.

 The Role of Compatibility and Integration in Smart Traffic

Through open standards, unified data frameworks, and interoperable communication protocols, high compatibility and integration enable diverse traffic systems to connect and collaborate as one intelligent network. It transforms isolated subsystems into a cohesive infrastructure where data flows seamlessly across regions and platforms. This enhances operational efficiency, reduces integration complexity, and supports coordinated management at scale.

Milesight Comprehensive Solutions to Compatibility Challenges

Seamless Integration Between Hardware and Software

Versatile Hardware Interfaces

• Ethernet (PoE): PoE enables single-cable transmission of power and data. By using our cameras equipped with PoE interfaces, installation becomes easier and wiring costs are greatly reduced for roadside units, intersections, and parking facilities.

• Audio I/O: The audio input/output interface supports voice broadcasting and two-way communication, allowing real-time announcements, intercom communication, and parking guidance.

• RS485: RS485 allows stable data exchange with controllers, sensors, or LED signs over long distances, making it ideal for coordinating barrier gates, signal lights, and information displays in traffic and parking systems.

• Wiegand Interface: The Wiegand interface connects parking barriers and access control systems, enabling vehicle entry & exit management when combined with ANPR cameras. 

• Alarm I/O

  • Relay Output (Dry Contact): Relay outputs trigger external devices like access gates, alarms, or buzzers without external power. This supports automated control in access points and intelligent intersections.

  • Open Collector Output (Wet Contact): Open collector outputs provide flexible power control for connecting external devices such as traffic lights or LED displays, enabling event-based visual alerts and dynamic traffic guidance.

• DC 12V: The DC 12V output supports an external power supply for auxiliary equipment, ensuring stable operation across varied installation environments.

Open Software Interfaces and Protocols

• Development Interfaces (CGI, API): Standard CGI and API interfaces enable flexible system development and customization, allowing our cameras to integrate seamlessly with existing management platforms.

• Communication Protocols (TCP, HTTP, MQTT, etc.): Our cameras support multiple standard protocols to ensure reliable data transmission, enabling applications such as real-time monitoring and remote device control.

• ONVIF G/M/S/T Compliance: With ONVIF G/M/S/T support, our cameras work seamlessly with most third-party VMS platforms, enabling interoperability and easy integration across multi-vendor systems.

• Milesight One API & Plugins: By using Milesight One API & plugins, system integration is simplified, data sharing is enhanced, and deployment is accelerated in large-scale or complex setups.

By leveraging these open interfaces and protocols, Milesight’s intelligent traffic solutions achieve seamless integration between hardware and software across platforms, ensuring stable data communication. This enables flexible deployment in diverse scenarios such as parking management, traffic enforcement, and smart intersections.

Metadata for Smart Traffic Insights

Metadata refers to structured data output synchronized with video, which can provide detailed information about traffic events. It typically includes location, event type, duration, movement direction, timestamp, as well as vehicle type, color, make, and plate color. 

Metadata integration enables real-time alerts and notifications, supports post-event analysis and forensics, and facilitates statistical reporting and traffic insights. It can also trigger event-based recording to optimize storage and improve system efficiency. By integrating metadata, traffic management systems gain actionable intelligence for both immediate response and long-term planning.

What data can be pushed?

Ecosystem Collaboration

Beyond hardware & software compatibility and metadata integration, we have also built technology partner ecosystem collaborations that ensure deep compatibility with leading third-party platforms, delivering sustainable and differentiated solutions for smarter traffic management.

We prioritize compatibility with our ecosystem partners and have established strategic collaborations with leading traffic and parking management platforms such as Zatpark and Plate Recognizer. Through these partnerships, we deliver multi-dimensional data insights, seamless cross-platform integration, and scalable applications across traffic management, public safety, and smart city projects.

How Compatibility Unlocks the True Value in Real-World Traffic Applications

Integration of E-signage / PMV 

Integrating E-signage / PMV with Milesight cameras via HTTP-based data transmission enables dynamic and automated activation of them. When Milesight cameras detect specific traffic conditions—such as congestion, accidents, or nearby cyclists or pedestrians—they trigger alarm outputs and transmit real-time data to the backend, which activates the display with corresponding alerts or guidance. This integration provides dynamic, multilingual, and customizable visual messages, keeping drivers informed with timely updates on traffic flow, weather, and road conditions.

It shifts traffic management from passive enforcement to proactive intervention by linking real-time detection with instant response. This continuous cycle of detection, response, and feedback forms a closed-loop safety system that enhances driver awareness, encourages compliance with traffic advisories, and ultimately improves public experience while reducing accidents, congestion, and enforcement costs.

Access Control and Parking Management

Through Wiegand and alarm I/O interfaces,  Milesight Entrance & Exit AI LPR Camera can directly control barriers to enable smooth, automated vehicle access and intercept unauthorized entries. It also supports parking fee management by recognizing license plates and calculating parking duration, integrating with third-party platforms for automated billing and payment—enabling an efficient, ticketless parking experience.

Featuring an audio output interface, Milesight Indoor Parking Guidance Camera can easily connect to external speakers for customized voice playback—such as indoor greetings—enhancing usability and adaptability across diverse parking scenarios.

Intelligent Traffic Enforcement

By directly integrating with enforcement systems, our cameras can simultaneously output metadata during surveillance to enable automatic red-light capture, wrong-way detection, speed enforcement, and other traffic violation monitoring. With real-time event triggering and high-precision imaging, the system ensures timely evidence collection and reliable verification.

Compatible with third-party enforcement platforms, it supports automated e-ticket generation and seamless data transmission to police or traffic authority databases. This integration provides solid data support for law enforcement, helping authorities improve operational efficiency, enhance regulatory accuracy, and build safer, more intelligent roads.

Data-Driven Urban Mobility

Through Milesight One API and cloud integration, the data collected by cameras is transmitted to the backend for aggregation and analysis, enabling traffic operations such as congestion prediction, flow assessment, and enforcement in low-emission zones. These data-driven insights foster smarter urban mobility management and support evidence-based decision-making.

Success Stories: Real-World Proof of Compatibility-Driven Innovation

Milesight & Anchor Revolutionized Remote Car Park Management in the UK

• Challenge: Remote car parks in the UK lacked power and network infrastructure, making traditional deployment costly and manual enforcement inefficient, while multi-site monitoring and real-time occupancy tracking were difficult.

• Solution: Milesight partnered with UK-based facilities management leader Anchor to deliver a pioneering solution—deploying 4G solar-powered ANPR cameras, combining solar power, intelligent edge processing, and seamless connectivity with Unity5's cloud-based Zatpark platform. The solution enables rapid off-grid deployment, centralized management, and real-time monitoring—delivering cost-effective, intelligent, and scalable remote parking management.

 Efficient Parking Fee Collection Solution in Australia

• Challenge: Ticketless Parking in Australia needed a reliable ANPR camera solution that could deliver consistent, high-accuracy plate recognition across varied environments. Existing systems struggled with fluctuating lighting and weather conditions, inefficient algorithms, and frequent maintenance demands, leading to revenue loss, operational inefficiency, and poor user experience.

• Solution: Milesight's Entrance & Exit Management Series Cameras were deployed to deliver accurate, intelligent, and maintenance-free parking management. Cameras perform on-edge license plate recognition and transmit results via TCP/HTTP to Ticketless Parking’s backend platform, enabling automated fee calculation, barrier control, and seamless parking operations.

 Milesight & Sundigital Empowered Automotive Repair Services in Japan

• Challenge: Japan's car repair chain needed accurate monitoring of parking bay occupancy and turnover, along with giving customers better visibility into their vehicle repair progress. The solution also required precise Japanese plate recognition and seamless integration with the Google platform for unified data management.

• Solution: Milesight partnered with Sundigital to deploy Parking Management Cameras powered by intelligent detection and PlateXpert technology. Cameras accurately recognize Japanese plates and integrate with Google’s backend platform for unified management and customer visibility, enabling closed-loop operations for car repair sites and enhancing user experience and trust across retail locations.

Cyclists Protection in Gipuzkoa

• Challenge: Gipuzkoa faced frequent cyclist–vehicle conflicts on winding roads. Limited visibility and the lack of real-time warning systems made timely driver response difficult, while traditional signage and manual monitoring failed to provide effective cyclist protection.

• Solution: Milesight deployed an intelligent cyclist detection and warning solution—using AI LPR Cameras to detect cyclists and send real-time data via HTTP to the backend, where an IoT controller activates roadside signage to alert approaching drivers. This solution reduced cycling-related accidents by 40%, helping drivers stay alert in high-risk areas and enabling authorities to take proactive safety measures. The project greatly improved road safety and promoted safer, more sustainable mobility in Gipuzkoa.

Smart Traffic Congestion Warning System in Barcelona

• Challenge: Barcelona struggled with severe urban congestion, leading to delays and increased safety risks. Existing traffic management relied on static signage and manual monitoring, which prevented timely responses and limited proactive interventions for drivers.

• Solution: Milesight deployed AI LPR Cameras with built-in radar sensors to enable real-time traffic monitoring and congestion warning. By integrating these devices with dynamic signage via HTTP-based data transmission, this combination automatically triggers alerts when specific traffic conditions are detected. This solution significantly reduced traffic congestion during peak hours and improved overall traffic flow.

Conclusion: Shaping the Future of Intelligent Traffic with Compatibility Solutions

By enabling seamless interoperability across hardware, software, and ecosystems, Milesight's compatibility solutions unlock the full potential of traffic management. They support a wide range of applications—from intersections and parking to highways and smart city projects—ensuring actionable insights, operational efficiency, and maximum data value.

Looking forward, Milesight's compatibility solutions will continue to drive smarter, more connected mobility, fostering safer, more efficient, and sustainable traffic management.