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Traffic engineering IVHS
- 2. It is an intelligent transportation system, in which vehicles and highways will exchange information through a two-way communication system.The automated highways will have a set of lanes on which vehicles with specialized sensors and wireless communications systems could travel under computer control at closely spaced intervals. This type of arrangement is called platoons.The vehicles could continuously exchange information with other vehicles and traffic-control centers about speed, acceleration, braking, obstacles, road conditions, etc. Sensor data can be processed and sent back to each vehicle guaranteeing a continuous exchange of information.
- 3. IVHS that are applicable to development of automated construction systems. In particular, the following IVHS research areas applicable to construction automation and robotics are discussed: (1)Traffic congestion characterization, (2) Automated vehicle location, (3) Electronic ticketing and automated trip payment, (4)Vehicle guidance systems, and (5) Safety and human factors.
- 4. 33% of the nation's major roads are in "poor or mediocre condition." 36% of major urban highways are congested. 26% of bridges are "structurally deficient or functionally obsolete." According toTRIP, a national transportation research group:
- 5. ‡ The traffic will grow by 1.2% per annum each year ‡ It is not possible to address the problem by building new roads. ‡ Need to reduce serious road accidents by 50%
- 7. Grouping vehicles into platoons is a method of increasing the capacity of roads. An automated highway system is a proposed technology for doing this. A H S (Automated Highway System) PLATOON (AUTOMOBILE)
- 8. AHSVISION
- 9. Greater fuel economy due to reduced air resistance. Reduced congestion On longer highway trips, vehicles could be mostly unattended whilst in following mode. Drivers would feel less in control of their own driving, being at the hands of computer software, or the lead driver
- 11. Thanks to the ubiquity of both Global Positioning System (GPS) and wireless communications networks, smart roads may soon merge with smart cars to form one big, brainy network. In this intelligent universe, cars will talk to roads will talk to cars.