January 16, 2020
“Demonstration of an Emergency Vehicle Priority System (Automated Green CorridorSystem)

using Japanese originatedinternational standard V2X communication

technology that has been undertaken in Ahmedabad city, INDIA”
ZERO-SUM, LTD.

In December 2019, ZERO-SUM, LTD., with the support from the Ministry of Internal Affairs
and Communications, JAPAN and in collaboration with Connected Solutions Company,
Panasonic Corporation and with approval from the Ahmedabad Municipal Corporation inINDIA, conducted a demonstration experiment showcasing an emergency vehicle prioritysystem (Green Corridor System) that uses a UHF band based Japanese originatedinternational standard V2X communication technology.
This experiment demonstrated the use of an emergency vehicle priority system in which anemergency vehicle such as ambulance and traffic signals communicate with each otherthrough the UHF band using V2X communication technology originating from JAPAN. Thisis the first demonstration of its kind in the world on a public road.
Goal of the experimentThis experiment that uses the application of UHF band V2X communication technology, aims
at addressing and solving one of the most important challenge faced by emergency vehicles
such as ambulances today, i.e. reaching their destination in the quickest time permissible,
which is sometimes not possible owing to traffic congestion. This has been undertaken byadopting and expanding the Japanese communication message specifications according tolocal conditions in INDIA. This technology controls traffic signals installed on the road toprioritize the passage for approaching emergency vehicles. Upon the detection of anemergency vehicle, the traffic signals in the route direction of the emergency vehicle will turngreen so as to decrease any traffic congestion, thereby enabling the emergency vehicle toget free passage and reduce the travel time to its destination. Parallelly, Variable Messaging
Sign Boards such as traffic information boards will inform motorists on the road to make way
for the priority passage of the emergency vehicle by flashing such messages, thereby
enabling the emergency vehicle to run smoothly and reduce the travel time to its destinationeven more. The demonstration used UHF band frequency for the communication ofinformation, which due to its high penetrability through buildings and natural obstructions andless interference from other devices is the most ideal for urban areas in ASIA where there isa higher urban populace and buildings alongside the roads that are densely populated.
Outline of experiment
A V2X communication device was installed on an emergency vehicle, on traffic signals andon a traffic information board. When an emergency vehicle equipped with a V2X
communication device approaches the traffic signals and traffic information board on whicha V2X communication devices are installed, the V2X devices communicate with each other,and as a result, traffic signals in the approaching direction of the emergency vehicle will turngreen and the information that an emergency vehicle is approaching is immediately displayedon the traffic information board for the convenience of motorists on the road, enabling themto make way and allow the priority passage of the emergency vehicle. This system hashelped demonstrate that a priority system for emergency vehicles on public roads can beimplemented.

Image of experiment

Location of experiment
The experiment was conducted on the West Bank of the Riverfront Road in Ahmedabad,which is the capital of the western state of Gujarat in INDIA.
The River front Road runs along the western banks of the Sabarmati River which flows
through the center of Ahmedabad City.

Image of experiment location
Results of the experiment
Upon completion of the demonstration it was found that the emergency vehicle priority
system that uses UHF band and the V2X communication technology which is similar to theJapanese "700 MHz band Intelligent Transportation Systems Standard (ARIB STD -T109)"and “Inter-vehicle Communication Message Specifications (ITS Connect TD-001) is very
stable as the communication between the V2X devices was confirmed. Moreover, it wasobserved that, by controlling the traffic signals in the approaching direction of the emergency
vehicle, the vehicle passed through the intersection smoothly and reduced the travel time toits destination. Furthermore, it was also observed that by displaying the emergency vehicle
approaching information on the traffic information boards, most motorists move aside to givepriority passage to the emergency vehicle, thereby enabling the emergency vehicle to runsmoothly and reduce the travel time even more. The UHF band used in the demonstration
experiment was acquired under an experimental license from the Wireless Planning andCoordination

(WPC)

Wing

Telecommunications, INDIA.

oftheMinistryofCommunications,

Departmentof

Image of smooth intersection passing utilizing vehicle priority system

Image of Traffic Information Board with V2X device showing emergency vehicle information
The next deployment
In the next phase of the experiment, we will consider expanding the experiment
implementation area. Further, by showcasing this experiment to the relevant ministries andindustry groups, we hope that the integration of such systems are standardized into thespecifications for future signaling systems and ITS (Intelligent Transportation System)
ancillary components such as Variable Messaging Sign Boards and other such infrastructure
to be implemented under smart city programs by city municipalities.

Role of organizations in this experimentZERO-SUM, LTD.
ZERO-SUM introduced and operates a traffic congestion mitigation system in Ahmedabad
city in Gujarat, INDIA. ZERO-SUM is in charge of the experiment component to beundertaken in INDIA for the project titled “Research for the oversea expansion of ITS
technologies in Japan” funded by Ministry of Internal Affairs and Telecommunications,JAPAN“. Zero-Sum ITS Solutions India Private Limited, a subsidiary of ZERO-SUM, LTD. Is
responsible for coordination with Ahmedabad Municipal Corporation, local traffic police andWPC, and is also responsible for the preparation of the field experiment in Ahmedabad city,
INDIA.
https://www.zero-sum.co.jp
https://www.zero-sum-its.co.in
Connected Solutions Company, Panasonic Corporation
Connected Solutions Company, Panasonic Corporation is heading a project titled “Researchfor the overseas expansion of ITS technologies in Japan”, funded by Ministry of Internal
Affairs and Telecommunications, JAPAN. Connected Solutions Company, Panasonic
Corporation oversees the organizing and conducting of experiments related to this researchacross several countries worldwide. In India, Connected Solutions Company, Panasonic
Corporation has partnered with ZERO-SUM, LTD to successfully conduct the experiment forthe demonstration of V2X communication technology.
https://www.panasonic.com/global/corporate/profile/segments.html#cns
Explanation of terms
Ahmedabad Municipal Corporation, Ahmedabad city, Gujarat State, INDIA
The Ahmedabad Municipal Corporation is responsible for the civic infrastructure andadministration of the city of Ahmedabad which is the largest city in the state of Gujarat, INDIA.
Ahmedabad city has a population of 5.6 million people and is the seventh largest city in INDIA.
Several Japanese automotive companies in recent years have setup their manufacturing
facilities around Ahmedabad City. Ahmedabad city is also one of the first cities selected under
the Smart City program implemented by Prime Minister Narendra Modi and has been at theforefront in the implementation of smart technologies for the betterment of its citizens.
UHF (Ultra-High Frequency)
Ultrashort frequency band. Radio waves with frequencies range 300 MHz to 3 GHz fall under
this category. Two of the key characteristics of radio waves in the UHF band is the longcommunication distance range, and its ability to penetrate natural and man-made obstacles.
It is used in mobile phone communication, wireless LAN, wireless communication forautomobile and mobile communication for business use.
V2X -Vehicle to Everything(X)V2X is the collective term for technologies and systems for exchanging information between
automobiles and other automobiles, automobiles and roadside equipment & automobiles andpedestrians using wireless communication system.
700 MHz Band Intelligent Transportation Systems Standard (ARIB STD-T109)
It is a standard compiled by the Association of Radio Industries and Businesses, Japan(ARIB) to support safe driving using vehicle-to-vehicle and vehicle-to-infrastructurecommunication system. The exchanging of information will enable the prevention of traffic
accidents and help realize safer driving. The safe driving support services started from Japanand has been in use since 2015.
https://www.arib.or.jp/english/std_tr/telecommunications/std-t109.html
Inter-vehicle Communication Message Specifications (ITS Connect TD-001)
It is a standard compiled by the Association of ITS Connect Promotion Consortium, Japan tosupport safe driving using vehicle-to-vehicle and vehicle-to-infrastructure communication
system. It assists drivers by providing with the information obtained via wirelesscommunication by infrastructural equipment installed on the road and among vehicles, infront of intersections etc. with poor visibility.
https://www.itsconnect-pc.org/en/_img/about/TD-001.pdf
WPC
The

WIRELESSPLANNING&COORDINATION

(WPC)

Wing,

Department

ofTelecommunications, Ministry of Communications, INDIA is the National Radio Regulatory
Authority responsible for Frequency Spectrum Management, including licensing and caters
for the needs of all wireless users (Government and Private) in the country. It exercises thestatutory functions of the Central Government and issues licenses to establish, maintain andoperate wireless stations.
“Research for the overseas expansion of ITS technologies in Japan”“Research for the overseas expansion of ITS technologies in Japan”, is a research project
funded by the Ministry of Internal Affairs and Telecommunications, JAPAN. This project aims

to implement demonstrations of the world standard-based Japanese originated V2X
technology to achieve improvements in the traffic safety conditions, based on the previous
study of the traffic accident information from several Asian countries and regions in 2018.
This research will cover 3 countries and regions including INDIA for the implementation ofV2X demonstrations.
Contact information
ZERO-SUM, LTD.
Contact Person: Kenta KONISHI
Phone Number: +81-75-342-3881 (JAPAN)
Contact: https://www.zero-sum.co.jp/en/contact/
Zero-Sum ITS Solutions India Private Limited
Contact Person: Mallesh B.
Phone Number: +91-80-41486275 (INDIA)
Contact: https://zero-sum-its.co.in/contact-us/