The use of advanced
technology, artificial intelligence, and control systems to manage highways,
cars, and traffic is known as intelligent transportation.
Traditional American highway engineering disciplines such as
driver routing, junction management, traffic distribution, and system-wide
command and control inspired the notion.
Because it attempts to embed monitoring equipment in
pavements, signaling systems, and individual automobiles in order to decrease
congestion and increase safety, intelligent transportation has significant
privacy and security considerations.
Highway engineers of the 1950s and 1960s were commonly
referred to as "communications engineers," since they used
information in the form of signs, signals, and statistics to govern vehicle and
highway interactions and traffic flow.
During these decades, computers were primarily employed to
simulate crossings and calculate highway capacity.
S. Y. Wong's Traffic Simulator, which used the facilities of
the Institute for Advanced Investigate (IAS) computer in Princeton, New Jersey,
to study traffic engineering, is one of the early applications of computing
technology in this respect.
To show road systems, traffic regulations, driver behavior,
and weather conditions, Wong's mid-1950s simulator used computational tools
previously established to investigate electrical networks.
Dijkstra's Algorithm, named for computer scientist Edsger Dijkstra,
was a pioneering use of information technology to automatically construct and
map least distance routes.
In 1959, Dijkstra created an algorithm that finds the
shortest path between a starting point and a destination point on a map.
Online mapping systems still use Dijsktra's routing method,
and it has significant economic utility in traffic management planning.
Other algorithms and automated devices for guidance control,
traffic signaling, and ramp metering were developed by the automotive industry
during the 1960s.
Many of these devices, such as traffic right-of-way signals
coupled to transistorized fixed-time control boxes, synchronized signals, and
traffic-actuated vehicle pressure detectors, became commonplace among the
public.
Despite this, traffic control system simulation in
experimental labs has remained an essential use of information technology in
transportation.
Despite the engineers' best efforts, the rising popularity
of vehicles and long-distance travel stressed the national highway system in
the 1960s, resulting in a "crisis" in surface transportation network
operations.
By the mid-1970s, engineers were considering information
technology as a viable alternative to traditional signaling, road expansion,
and grade separation approaches for decreasing traffic congestion and
increasing safety.
Much of this work was focused on the individual driver, who
was supposed to be able to utilize data to make real-time choices that would
make driving more enjoyable.
With onboard instrument panels and diagnostics, computing
technology promised to make navigation simpler and maximize safety while
lowering journey times, particularly when combined with other technologies like
as radar, the telephone, and television cameras.
Automobiling became more informed as computer chip prices
dropped in the 1980s.
Electronic fuel gauges and oil level indicators, as well as
digital speedometer readouts and other warnings, were added to high-end
automobile models.
Most states' television broadcasts started delivering
pre-trip travel information and weather briefings in the 1990s, based on data
and video collected automatically by roadside sensing stations and video
cameras.
These summaries were made accessible at roadside way
stations, where passengers could get live text-based weather forecasts and
radar pictures on public computer displays, as well as as text on pagers and
mobile phones.
Few of these innovations have a significant influence on
personal privacy or liberty.
However, in 1991, Congress approved the Intermodal Surface
Transportation Efficiency Act (ISTEA or "Ice Tea"), which allowed
$660 million for the creation of the country's Intelligent Vehicle Highway
System (IVHS), which was coauthored by Secretary of Transportation Norman Mineta.
Improved safety, decreased congestion, greater mobility,
energy efficiency, economic productivity, increased usage of public transit,
and environmental cleanup are among the aims set out in the act.
All of these objectives would be achieved via the effective
use of information technology to facilitate transportation in the aggregate as
well as on a vehicle-by-vehicle basis.
Hundreds of projects were funded to provide new
infrastructure and possibilities for travel and traffic management, public
transit management, electronic toll payment, commercial fleet management,
emergency management, and vehicle safety, among other things.
While some applications of intelligent transportation
technology remained underutilized in the 1990s—for example, carpool
matching—other applications became virtually standard on American highways: for
example, onboard safety monitoring and precrash deployment of airbags in cars,
or automated weigh stations, roadside safety inspections, and satellite Global
Positioning System (GPS) tracking for tractor-trailers.
Private enterprise had joined the government in augmenting
several of these services by the mid-1990s.
OnStar, a factory-installed telematics system that utilizes
GPS and cell phone communications to give route guidance, summon emergency and
roadside assistance services, track stolen cars, remotely diagnose mechanical
faults, and access locked doors, is included in all General Motors vehicles.
Automobile manufacturers also started experimenting with
infrared sensors coupled to expert systems for autonomous collision avoidance,
as well as developing technology that allows automobiles to be
"platooned" into huge groups of closely spaced vehicles to optimize
highway lane capacity.
The computerized toll and traffic management system, which
was launched in the 1990s, was perhaps the most widely used implementation of
intelligent transportation technology (ETTM).
By placing a radio transponder on their cars, ETTM enabled
drivers to pay their tolls on highways without having to slow down.
Florida, New York State, New Jersey, Michigan, Illinois, and
California were all using ETTM systems by 1995.
Since then, ETTM has expanded to a number of additional
states as well as internationally.
Because of its potential for government intrusion, intelligent
transportation initiatives have sparked debate.
Hong Kong's government deployed electronic road pricing
(ERP) in the mid-1980s, with radar transmitter-receivers triggered when cars
went through tolled tunnels or highway checkpoints.
This system's billing bills supplied drivers with a full
record of where they had gone and when they had been there.
The system was put on hold before the British turned Hong
Kong over to the Chinese in 1997, due to concerns about potential human rights
violations.
On the other hand, the basic purpose of political surveillance
is sometimes broadened to include transportation goals.
The UK government, for example, placed street-based
closed-circuit television cameras (CCTV) in a "Ring of Steel" around
London's financial sector in 1993 to defend against Irish Republican Army
terror bombs.
Extreme CCTV enhanced monitoring of downtown London ten
years later, in 2003, to incorporate several infrared illuminators enabling the
"capture" of license plate numbers on autos.
A daily usage tax was imposed on drivers entering the crowded
downtown area.
Vehicles with a unique identification like the Vehicle
Identification Number (VIN) or an electronic tag may be tracked using
technologies like GPS and electronic payment tollbooth software, for example.
This opens the door to continuous monitoring and tracking of
driving choices, as well as the prospect of permanent movement records.
Individual toll crossing locations and timings, the car's
average speed, and photos of all passengers are routinely obtained by
intelligent transportation surveillance.
In the early 2000s, state transportation bureaus in Florida
and California utilized comparable data to send out surveys to individual
drivers who used certain roads.
Several state motor vehicle agencies have also contemplated
establishing "dual-use" intelligent transportation databanks to
supply or sell traffic and driver-related data to law enforcement and
marketers.
Artificial intelligence methods are becoming an increasingly
important part of intelligent transportation planning, especially as large
amounts of data from actual driving experiences are now being collected.
They're being used more and more to control vehicles,
predict traffic congestion, and meter traffic, as well as reduce accident rates
and fatalities.
Artificial neural networks, genetic algorithms, fuzzy logic,
and expert systems are among the AI techniques already in use in various
intelligent transportation applications, both singly and in combination.
These methods are being used to develop new vehicle control
systems for autonomous and semiautonomous driving, automatic braking control,
and real-time energy consumption and emissions monitoring.
Surtrac, for example, is a scalable, adaptive traffic
control system created by Carnegie Mellon University, which uses theoretical
modeling and artificial intelligence algorithms.
The amount of traffic on particular roadways and
intersections may change dramatically throughout the day.
Traditional automated traffic control technology adapts to
established patterns on a set timetable or depends on traffic control
observations from a central location.
Intersections can communicate with one another, and
automobiles may possibly exchange their user-programmed travel paths, thanks to
adaptive traffic management.
Vivacity Labs in the United Kingdom employs video sensors at
junctions and AI technology to monitor and anticipate traffic conditions in
real time during an individual motorist's trip, as well as perform mobility
assessments for enterprises and local government bodies at the city scale.
Future paths in intelligent transportation research and
development may be determined by fuel costs and climate change consequences.
When oil costs are high, rules may encourage sophisticated
traveler information systems that advise drivers to the best routes and
departure times, as well as expected (and costly) idling and wait periods.
If traffic grows more crowded, cities may use smart city
technologies like real-time traffic and parking warnings, automated incident
detection and vehicle recovery, and linked surroundings to govern human-piloted
vehicles, autonomous automobiles, and mass transit systems.
More cities throughout the globe are going to use dynamic
cordon pricing, which entails calculating and collecting fees to enter or drive
in crowded regions.
Vehicle occupancy detection monitors and vehicle categorization detectors are examples of artificial intelligence systems that enable congestion charging.
You may also want to read more about Artificial Intelligence here.
See also:
Driverless Cars and Trucks; Trolley Problem.
Further Reading:
Alpert, Sheri. 1995. “Privacy and Intelligent Highway: Finding the Right of Way.” Santa Clara Computer and High Technology Law Journal 11: 97–118.
Blum, A. M. 1970. “A General-Purpose Digital Traffic Simulator.” Simulation 14, no. 1: 9–25.
Diebold, John. 1995. Transportation Infostructures: The Development of Intelligent Transportation Systems. Westport, CT: Greenwood Publishing Group.
Garfinkel, Simson L. 1996. “Why Driver Privacy Must Be a Part of ITS.” In Converging Infrastructures: Intelligent Transportation and the National Information Infrastructure, edited by Lewis M. Branscomb and James H. Keller, 324–40. Cambridge, MA: MIT Press.
High-Tech Highways: Intelligent Transportation Systems and Policy. 1995. Washington, DC: Congressional Budget Office.
Machin, Mirialys, Julio A. Sanguesa, Piedad Garrido, and Francisco J. Martinez. 2018. “On the Use of Artificial Intelligence Techniques in Intelligent Transportation Systems.” In IEEE Wireless Communications and Networking Conference Worshops (WCNCW), 332–37. Piscataway, NJ: IEEE.
Rodgers, Lionel M., and Leo G. Sands. 1969. Automobile Traffic Signal Control Systems. Philadelphia: Chilton Book Company.
Wong, S. Y. 1956. “Traffic Simulator with a Digital Computer.” In Proceedings of the Western Joint Computer Conference, 92–94. New York: American Institute of Electrical Engineers.