Annotation

1. Vehicle Detection System (VDS): The vehicle detection system shall be used to measure traffic volume; to measure heavy trunk volume to service for making plan on overload vehicle control; to detect of traffic congestion at points installed vehicle detector on the expressway; to measure average speed of vehicle.
2. Closed Circuit Television System (CCTV): The CCTV monitoring system provides visual image of the traffic status and conditions on the highway around camera location. The system is useful for road operators to confirm visually the situation on the highway. If an incident occurs within the coverage area of camera, confirmation in detail becomes possible and countermeasure such as lane control can be implemented.  Hazardous conditions such as low visibility due to fog or heavy rain are also detected by the camera and drivers can be advised to take precautions through the variable message sign.
3. Weather Observation System (WOS): The weather observation system is installed to measure weather conditions on or near the highway. A driving environment on the highway is judged based on the data from the weather roadside equipment.  If hazardous weather condition is detected by the system, warning message will be announced road users through the variable message sign system. If weather condition is too dangerous for driving, the highway may be closed.
4. Variable Message Signs System (VMS): The variable message sign (VMS) system is introduced to provide highway users with road and traffic condition information such as accident, weather condition, congestion in order to assist highway users driving.
5. Digital Transmission System (DTS): ITS or expressway traffic surveillance system deploys various devices such as VDS, CCTV camera, emergency telephone and variable message sign along the roadside. These devices are connected with the central equipment at the Traffic Control and Operation Management Office and data and voice are exchanged between them. Digital transmission system is required to perform the service of data and voice communication.
6. Traffic Management Center (TMC): The traffic management system manages the total system, encourages data exchange between the sub systems of ITS in order to realize fully their functions and achieve the overall objectives of the traffic information/control system.
7. Emergency Telephone System (ETS): The system will be used by the Expressway users in case of incidents such as accidents and breakdowns.
8. Internal Telephone System (INTS): To communicate within an traffic management office, among offices and with external.
9. Wireless Communication System (WCS): The WCS would be installed for wireless communication which is used between traffic management office and operation staff on the route or between employees who were present on the road together
10. Electronic Toll Collection System (ETC): To be used for the purpose of toll collection including Electronic Toll Collection and Manual Toll Collection.
11. Weigh-in-motion System (WIM): To control the overloaded vehicles and protect the Expressway.
12. Power Supply System (PSS): To suppy power source for whole of equipments/devices and sub-system in the ITS large system.

VTG Company is one of the leading companies in providing Intelligent Transportation System solutions for projects related to Expressway/Highway in Vietnam. With an experienced and strong engineer team having capability to deploy big and vital projects, we are fully confident to provide the folowing sub-systems:

• CCTV system

The following diagram is CCTV solution that VTG-VIJATECH applied and deployed in the Ho Chi Minh – Dau Giay ITS project.

Description:

The CCTV system shall be consist of the following main equipments: camera with high resolution at road site (the cameras can be type of analog or IP camera); server, workstation installed CCTV software and monitor at traffic management office.

• VDS system

The following diagram is VDS solution that VTG-VIJATECH applied and deployed in the Ho Chi Minh – Dau Giay ITS project.

Description:

The VDS system shall be consist of the following main equipments: camera with high resolution at road site (the cameras can be type of analog or IP camera); server, video image processor (VIP), workstation installed VDS software and monitor at traffic management office.

• WIM system

The following diagram is WIM solution that VTG-VIJATECH applied and deployed in the Ho Chi Minh – Dau Giay ITS project.

Description: The WIM system shall consist of weight sensors, inductive loops, CCTV cameras, still cameras, and displays to drivers (VMS).

The working principle of WIM system is as follows: When one vehicle goes through the WIM stations: inductive loops and weight sensors will have functionality of detecting and measuring parameters of that vehicle such as total weight, axle weight, length of axles, speed, category of vehicle … The video from CCTV camera will be used to monitor the operation of system, the video image during the measurement will be stored temporarily until the vehicle being measured is cleared. Meanwhile, image signals transmitted from still camera (ANPR) will be used to store & recognize plate number automatically … Then, all these signals will be transferred to WIM controller cabinet at the toll collection office. Here, controller will collect, analyze all measured signals and display to operator by means of CROSS monitoring software.

Data gathered at each weight station shall be sent to the Traffic Management Office via fiber cable (digital transmission system). At the office, the supervisor just need only one computer for monitoring and recording data from the terminal equipments of Weigh-in-Motion System.

• WOS system

 

The following diagram is WOS solution that VTG-VIJATECH applied and deployed in the Ho Chi Minh – Dau Giay ITS project.

Description:

The weather observation system (WOS) consists of the equipments (Hardware: wind sensor, thermometer and rain gauge, dataLogger unit) at the site and equipments/software (Hardware/Software: workstation, WOS software) at the Control Center (See the WOS system configuration). The digital transmission system connects these two sites and transfers data between them.

• INTS System:

 

• WCS System

• TCS System

 

• VMS System:

 

• DTS System:

• PSS System:

With a team of consulting engineers, designers have high expertise and practical experience in major projects both in and out of the country, knowing the reality of our customers, we consults solutions which are suitable for each requirement to achieve the best performance from the time of implementation, avoiding unnecessary delays and expenses arising out of the plan.

Consulting & designing services in the field of Intelligent Transportation Systems (ITS) including:

• Closed Circuit Television System (CCTV)
• Vehicle Detection System (VDS)
• Weigh-In-Motion System (WIM)
• Weather Observation System (WOS)
• Variable Message Signings System (VMS)
• Digital Transmission System and optical fiber cable (DTS)
• Electronic Toll Collection System (ETC)
• Internal Telephone System and Emergency Telephone System (INTS & ETS)
• Power Supply System (low voltage, high voltage, transformer, generator …)

System integration services

On the basis of the long-term strategic orientation of technology, products, services and human resources as well as actual results from the system integration projects which were deployed by VTG, we are fully confident in our own ability in the field of system integration in Vietnam and ensure to bring the highest satisfaction to customers.

With the combination complete service model based on global resources and creative flexibility of VTG together with leading software & hardware partners in the world and having experience in Vietnam, we provide the system integration services for the following areas:

• Intelligent Transportation System (ITS)
• Data Center Server (DCS), central control/management room for ITS
• Customization

Warranty Service

Warranty is one way that VTG executes to ensure prestige with customer about the quality and solutions provided. Depending on each system and each project deployed, the period of product warranty is about 12 months since the date of handover to customer’s hand.

In the warranty period, VTG has responsible for ensuring products, systems working exactly according to customer’s requirements.

• Policy
• Ensuring to have the best satisfaction from customer
• Ensuring the continuousness in customer’s work in system warranty processing
• Ensuring the security in customer’s information when problem
• Warranty period
• Depending on projects and conditions on each system, product provided by VTG that the warranty period applies from the date of handover to customer
• Depending on each problem that the warranty processing time takes place during/out-site office hours.
• Warranty method
• When receiving customer’s requirement, VTG will confirm problem and consult how to solve the problem through internet, email or telephone.
• In case of complicated problem, VTG will send warranty engineer to customer to solve the problem.
• Processing time
• VTG will have feedback to customer within 24h from the time receiving requirement from customer.

Maintenance and trouble-shooting services

At the moment, VTG has three representative offices and maintenance service centers at 03 cities in Vietnam, which are Hanoi City, Da Nang City and Ho Chi Minh City.

Our maintenance and trouble-shooting services are available at 24/7.