Page 23 - TrafficInfraTech Dec-Jan 2019

ITS

A Data Warehouse dealing with data from various sources for ATIS
key enabler for TM and
ITS is the traffic control
centre. When the number
CCTV
of operational tasks
telephone
increases, or the size and
Signal
mobile
radio
call-in
internet
complexity of instruments & scenarios DMS Traffic Cellular Static and TV and
Traffic-
increases, TMC could become necessary. management Probe In-vehicle
data
Here, data is collected, analyzed and Inductive Information information
services
services
loops
combined with other operational Radar provider
& control concepts to manage the License-plate
readers
complex transport network. It is the
control entre for communicating
Data
transportation-related information to warehouse
the media and the motoring public.
Advanced Travel Information Emergency-
Transit-
System offers travel-related information Management Management
center
in advance or on real-time basis to help Kiosks center
in decision making on route choices, Climate Weather
information
sensors
estimate travel times, and avoid Automatic service
congestion. vehicle Passanger Public-saftey Public-saftey
location
delivery
agencies
ITS Components to enhance counters channels
Road Safety
• CCTV cameras
• ANPR cameras refers to a system that automatically information displays. The visual display
• Speed Detection cameras warn the driver and/or limit vehicle used could be a stand-alone display or
• E-Challaning speed when the driver, intentionally or it is possible that it could be integrated
• Variable Message Sign boards inadvertently, exceeds the posted speed as part of a multi-functional display
• E-Calling limit by a predetermined amount. ISA into existing in-vehicle displays such as
• Red Light violation detection system is one of the in Vehicle ITS tools which Intelligent Transport Systems to support
• Intelligent Signalling system continuously monitors the speed of police enforcement of road safety laws.
the vehicle, aimed at encouraging or Further, it could alert drivers, using either
ITS technologies to enhance preventing drivers from exceeding the visual or auditory alerts, to approaching
the enforcement of traffic rules speed limit. The position of the vehicle traffic control devices such as stop, give
and regulations
is established via GPS or roadside way and no entry signs, and even inform
Speeding to detect over-speeding beacons. The current speed and them if they are travelling in a restricted
and levy of fines the violators are position of the vehicle is compared with use lane such as an emergency vehicle
increasingly being used by Traffic the local posted speed limit. ISA system lane. Flashing Variable Speed limit signs
Police. A number of in-vehicle and can issue warnings or limit vehicle speed are installed at a number of school
infrastructure-based ITS and telematics if the vehicle exceeds this posted limit. zones to display the temporarily reduced
technologies can further assist Police in In-vehicle Information Displays speed limit during school crossing hours.
the enforcement of speed-related road Driving under the influence of
rules. These tools include Intelligent The In-vehicle information displays alcohol and other drugs
Speed Adaptation (alerting and present drivers with information that
limiting), in-vehicle dynamic displays, would normally appear on static or The modern ITS technologies like
flashing variable speed signs, school variable signs outside of the vehicle. The alcohol detection systems, performance
zone information built into existing in-vehicle displays can be used to provide tests, electronic licenses & keys, Closed
Circuit Television (CCTV) to target
drivers with information regarding
route guidance or other systems, and temporary changes in speed limits due to drug & alcohol testing, and telematics
brief school zone approach messages/ road works, road or weather conditions systems that immobilize the vehicles of
alerts transmitted via a DSRC system.
or an accident. The road side beacons recidivist offenders during high alcohol
Intelligent Speed Adaptation or internet or satellite can transmit this and drug use times could be used to
Intelligent Speed Adaptation (ISA) information to onboard unit of in-vehicle enforce drink driving laws

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