Investigating Cybersecurity Issues in Active Traffic Management Systems. Issue 19 (December 2018)
- Record Type:
- Journal Article
- Title:
- Investigating Cybersecurity Issues in Active Traffic Management Systems. Issue 19 (December 2018)
- Main Title:
- Investigating Cybersecurity Issues in Active Traffic Management Systems
- Authors:
- Khattak, Zulqarnain H.
Park, Hyungjun
Hong, Seongah
Boateng, Richard Atta
Smith, Brian L. - Abstract:
- Active traffic management (ATM) systems have been introduced by transportation agencies to manage recurrent and non-recurrent congestion. ATM systems rely on the interconnectivity of components made possible by wired and/or wireless networks. Unfortunately, this connectivity that supports ATM systems also provides potential system access points that results in vulnerability to cyberattacks. This is becoming more pronounced as ATM systems begin to integrate Internet of Things (IoT) devices. Hence, there is a need to rigorously evaluate ATM systems for cyberattack vulnerabilities, and explore design concepts that provide stability and graceful degradation in the face of cyberattacks. In this research, a prototype ATM system along with a real-time cyberattack monitoring system were developed for a 1.5-mile section of I-66 in Northern Virginia. The monitoring system detects deviation from expected operation of an ATM system by comparing lane control states generated by the ATM system with lane control states deemed most likely by the monitoring system. This comparison provides the functionality to continuously monitor the system for abnormalities that would result from a cyberattack. In the case of any deviation between two sets of states, the monitoring system displays the lane control states generated by the back-up data source. In a simulation experiment, the prototype ATM system and cyberattack monitoring system were subject to emulated cyberattacks. The evaluation resultsActive traffic management (ATM) systems have been introduced by transportation agencies to manage recurrent and non-recurrent congestion. ATM systems rely on the interconnectivity of components made possible by wired and/or wireless networks. Unfortunately, this connectivity that supports ATM systems also provides potential system access points that results in vulnerability to cyberattacks. This is becoming more pronounced as ATM systems begin to integrate Internet of Things (IoT) devices. Hence, there is a need to rigorously evaluate ATM systems for cyberattack vulnerabilities, and explore design concepts that provide stability and graceful degradation in the face of cyberattacks. In this research, a prototype ATM system along with a real-time cyberattack monitoring system were developed for a 1.5-mile section of I-66 in Northern Virginia. The monitoring system detects deviation from expected operation of an ATM system by comparing lane control states generated by the ATM system with lane control states deemed most likely by the monitoring system. This comparison provides the functionality to continuously monitor the system for abnormalities that would result from a cyberattack. In the case of any deviation between two sets of states, the monitoring system displays the lane control states generated by the back-up data source. In a simulation experiment, the prototype ATM system and cyberattack monitoring system were subject to emulated cyberattacks. The evaluation results showed that the ATM system, when operating properly in the absence of attacks, improved average vehicle speed in the system to 60 mph (a 13% increase compared to the baseline case without ATM). However, when subject to cyberattack, the mean speed reduced by 15% compared to the case with the ATM system and was similar to the baseline case. This illustrates that the effectiveness of the ATM system was negated by cyberattacks. The monitoring system allowed the ATM system to revert to an expected state with a mean speed of 59 mph and reduced the negative impact of cyberattacks. These results illustrate the need to revisit ATM system design concepts as a means to protect against cyberattacks in addition to traditional system intrusion prevention approaches. … (more)
- Is Part Of:
- Transportation research record. Volume 2672:Issue 19(2018)
- Journal:
- Transportation research record
- Issue:
- Volume 2672:Issue 19(2018)
- Issue Display:
- Volume 2672, Issue 19 (2018)
- Year:
- 2018
- Volume:
- 2672
- Issue:
- 19
- Issue Sort Value:
- 2018-2672-0019-0000
- Page Start:
- 79
- Page End:
- 90
- Publication Date:
- 2018-12
- Subjects:
- Transportation -- Periodicals
Roads
Transport -- Périodiques
Routes -- Périodiques
Routes -- Conception et construction -- Périodiques
Roads
Transportation
388.05 - Journal URLs:
- http://catalog.hathitrust.org/api/volumes/oclc/1259379.html ↗
http://trb.org/news/blurb_detail.asp?id=1676 ↗
http://trb.metapress.com/content/0361-1981/ ↗
https://journals.sagepub.com/home/trr ↗
http://www.uk.sagepub.com/home.nav ↗
http://bibpurl.oclc.org/web/31620 ↗ - DOI:
- 10.1177/0361198118787636 ↗
- Languages:
- English
- ISSNs:
- 0361-1981
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - BLDSS-3PM
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- 9608.xml