TRANSPORTATION MANAGEMENT CENTERS Streaming Video Sharing CITYWORKSand Distribution Final Report FHWA-HOP-19-037 SEPTEMBER 2019 NOTICE This document is disseminated under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for the use of the information contained in this document. This document is for guidance only and does not create any requirements other than those stipulated in statute or regulation. The U.S. Government does not endorse products or manufacturers. Trademarks or manufacturers’ names appear in this report only because they are considered essential to the objective of the document. QUALITY ASSURANCE STATEMENT The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes public understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. The FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement. TECHNICAL REPORT DOCUMENTATION PAGE 1. Report No. 2. Government Accession No. 3. Recipient’s Catalog No. FHWA-HOP-19-037 4. Title and Subtitle 5. Report Date Transportation Management Centers Streaming Video Sharing September 2019 and Distribution 6. Performing Organization Code 7. Authors 8. Performing Organization Michael L. Pack, Nikola Ivanov, Elizabeth Birriel Report No. 9. Performing Organization Name and Address 10. Work Unit No. (TRAIS) Leidos 11251 Roger Bacon Drive 11. Contract or Grant No. Reston, VA 20190 Contract No. DTFH61-16-D-00053 Michael Pack, LLC, Columbia, Maryland 20145 12. Sponsoring Agency Name and Address 13. Type of Report and Federal Highway Administration Period Covered U.S. Department of Transportation Final Report 1200 New Jersey Avenue, SE 14. Sponsoring Agency Code Washington, DC 20590 HOTM 15. Supplementary Notes Jimmy Chu, FHWA Task Order Contract Officer’s Representative 16. Abstract State and local departments of transportation (DOT) continue to invest heavily in the installation of traffic cameras and distribution of live traffic camera video feeds. State and local DOTs, law enforcement, and transit providers across the country have deployed almost half a million cameras to support transportation and public safety. The video streams from these deployments have the potential to be used for situational awareness, assisting in the response to incidents and events, security and infrastructure monitoring applications, data collection, machine vision, device control, traveler information, and more. The purpose of this document is to synthesize current practices and recommendations for transportation management agencies to share live, streaming traffic camera video with the public, news media, other agencies, and/or trusted partners. This document aims to assist transportation management centers (TMC) in planning, implementing, or improving their sharing. 17. Key Words 18. Distribution Statement CCTV, Video Sharing, Video Distribution, Transportation No restrictions. Management Center. 19. Security Classif. (of this 20. Security Classif. (of this 21. No of Pages 22. Price report) page) Unclassified 100 N/A Unclassified. Form DOT F 1700.7 (8-72) Reproduction of completed page authorized. TRANSPORTATION MANAGEMENT CENTERS · STREAMING VIDEO SHARING AND DISTRIBUTION SI* (MODERN METRIC) CONVERSION FACTORS APPROXIMATE CONVERSIONS TO SI UNITS SYMBOL WHEN YOU KNOW MULTIPLY BY TO FIND SYMBOL LENGTH in. inches 25.4 millimeters mm ft feet 0.305 meters m yd yards 0.914 meters m mi miles 1.61 kilometers km AREA in.2 square inches 645.2 square millimeters mm2 ft2 square feet 0.093 square meters m2 yd2 square yards 0.836 square meters m2 ac acres 0.405 hectares ha mi2 square miles 2.59 square kilometers km2 VOLUME fl oz fluid ounces 29.57 milliliters mL gal gallons 3.785 liters L ft3 cubic feet 0.028 cubic meters m3 yd3 cubic yards 0.765 cubic meters m3 NOTE: volumes greater than 1,000 L shall be shown in m3 MASS oz ounces 28.35 grams g lb pounds 0.454 kilograms kg T short tons (2000 lb) 0.907 megagrams Mg (or "t") (or "metric ton") TEMPERATURE (exact degrees) °F Fahrenheit 5 (F-32)/9 or Celsius °C (F-32)/1.8 ILLUMINATION fc foot-candles 10.76 lux lx fl foot-Lamberts 3.426 candela/m2 cd/m2 FORCE and PRESSURE or STRESS lbf poundforce 4.45 newtons N lbf/in.2 poundforce 6.89 kilopascals kPa per square inch *SI is the symbol for the International System of Units. Appropriate rounding should be made to comply with Section 4 of ASTM E380. (Revised March 2003) v TRANSPORTATION MANAGEMENT CENTERS · STREAMING VIDEO SHARING AND DISTRIBUTION SI* (MODERN METRIC) CONVERSION (continued) APPROXIMATE CONVERSIONS TO SI UNITS SYMBOL WHEN YOU KNOW MULTIPLY BY TO FIND SYMBOL LENGTH mm millimeters 0.039 inches in. m meters 3.28 feet ft m meters 1.09 yards yd km kilometers 0.621 miles mi AREA mm2 square millimeters 0.0016 square inches in.2 m2 square meters 10.764 square feet ft2 m2 square meters 1.195 square yards yd2 ha hectares 2.47 acres ac km2 square kilometers 0.386 square miles mi2 VOLUME mL milliliters 0.034 fluid ounces fl oz L liters 0.264 gallons gal m3 cubic meters 35.314 cubic feet ft3 m3 cubic meters 1.307 cubic yards yd3 MASS g grams 0.035 ounces oz kg kilograms 2.202 pounds lb Mg (or "t") megagrams 1.103 short tons (2000 lb) T (or "metric ton") TEMPERATURE (exact degrees) °C Celsius 1.8C+32 Fahrenheit °F ILLUMINATION lx lux 0.0929 foot-candles fc cd/m2 candela/m2 0.2919 foot-lamberts fl FORCE and PRESSURE or STRESS N newtons 0.225 poundforce lbf kPa kilopascals 0.145 poundforce lbf/in2 per square inch *SI is the symbol for the International System of Units. Appropriate rounding should be made to comply with Section 4 of ASTM E380. (Revised March 2003) vi TRANSPORTATION MANAGEMENT CENTERS · STREAMING VIDEO SHARING AND DISTRIBUTION TABLE OF CONTENTS EXECUTIVE SUMMARY ........................................................................................................... 1 CHAPTER 1. PURPOSE ............................................................................................................. 3 CHAPTER 2. BACKGROUND AND LITERATURE SUMMARY ........................................ 5 CHAPTER 3. THE BUSINESS CASE AND DECISIONMAKING PROCESS FOR SHARING OR NOT SHARING .......................................................................................11 WHY SOME AGENCIES DON’T SHARE ......................................................................................11 WHY MOST AGENCIES SHARE ....................................................................................................12 AD HOC VS. SYSTEMATIC SHARING .........................................................................................15 CHAPTER 4. OPERATIONAL CONSIDERATIONS ............................................................ 17 Operator Impacts ................................................................................................................................17 Management Impacts .........................................................................................................................18 Developing a Successful Concept of Operations ...............................................................................18 CHAPTER 5. INSTITUTIONAL CONSIDERATIONS ......................................................... 21 CONTRACTING .................................................................................................................................21 INTRA-AGENCY COORDINATION ..............................................................................................22 EQUIPMENT AND NETWORK MAINTENANCE .......................................................................24 CONTINUOUS SUPPORT REQUIREMENTS...............................................................................26 LEGAL IMPLICATIONS ..................................................................................................................27 Memoranda of Understanding and Open Agreements .......................................................................27 Concepts of Operations as a Replacement for an MOU ....................................................................28 Service Charges ..................................................................................................................................28 MEDIA .................................................................................................................................................29 CHAPTER 6. TECHNICAL CONSIDERATIONS ................................................................. 31 NETWORKING ..................................................................................................................................31 Network Configuration and Documentation ......................................................................................31 Bandwidth Estimation ........................................................................................................................35 Latency ...............................................................................................................................................35 SECURITY ..........................................................................................................................................36 VIDEO NORMALIZATION ..............................................................................................................37