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Innovative Approaches to Real-Time System Management Information

Innovative Approaches to Real-Time System Management Information. Kevin Korth Traffic Operations Engineer FHWA California Division May 21, 2014. Outline. Background Accuracy Availability Routes of Significance. Background. Past (1960s): Hourly teleprinter reports to subscribers

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Innovative Approaches to Real-Time System Management Information

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  1. Innovative Approaches to Real-Time System Management Information Kevin Korth Traffic Operations Engineer FHWA California Division May 21, 2014

  2. Outline • Background • Accuracy • Availability • Routes of Significance

  3. Background • Past (1960s): • Hourly teleprinter reports to subscribers • State and Federal agencies, AAA, and Chambers of Commerce, • No direct to public feed. • Present: • Actively working on RTSMIP for 1 year prior to kick off • Resource Center kick off April 2014

  4. Background • 2,457 miles of interstate • 25 numbered routes • 6 MSAs over 1 Million • Los Angeles-Long Beach-Santa Ana • Riverside-San Bernardino-Ontario • Sacramento-Arden-Arcade-Roseville • San Diego-Carlsbad-San Marcos • San Francisco-Oakland-Fremont • San Jose-Sunnyvale-Santa Clara

  5. Caltrans Districts and Planning Agencies Courtesy of Caltrans Courtesy of Caltrans

  6. TMC Configuration

  7. Accuracy • Proposed Planned lane closures not real time • Assess accuracy of data the public sees • Online and on highway • 1097 “event start” • 1098 “event end”

  8. Example: Construction Accuracy

  9. Example: Construction Accuracy = = 0.9095 x 100 = 91% = 0.0904 x 100 = 9 % • 1097 event start • 1098 event end

  10. Availability • 8 of 12 TMCs are 24/7 • 24-hour TMCs cover other districts overnight • Data stream is 24/7 • Storage system: Commercial Wholesale Web Portal (CWWP) • Redundant servers • Collection system: 15 minutes daily • Daily maintenance downtime

  11. Routes of Significance

  12. Summary • Background • Accuracy • Availability • Routes of Significance

  13. Questions Kevin Korth Traffic Operations Engineer FHWA California Division Office (916) 498-5860 kevin.d.korth@dot.gov

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