CDOT Performance Data Business Plan - Cambridge Systematics

More documents

Recommendations

Info

Appendices Define the need and what should be included in a data catalog for the enterprise. Scope The scope of the Data Governance Work Team is to provide recommendations to the Business Information Council for implementation of standards, procedures and work products for the enterprise as defined above, in coordination with business emphasis area work teams. Deliverables The deliverables of the Data Governance Work Team include the following: 1. Data governance structure including roles and responsibilities of current and future data-related boards. 2. Action plan for implementing data governance at Mn/DOT. 3. Data governance manual for the enterprise and each business area to include methods and processes for reviewing, approving, and implementing data governance standards, procedures, and work products. 4. Communication plan to market the impact and benefits of data governance. 5. Development plan for a data catalog including structure and content. Organization of Data Governance Work Team Tim Henkel, Modal Planning & Program Management Division Director, Co- Champion Pam Tschida, Employee & Corporate Services Division Director, Co-Champion Bob Brown, Office of Land Management, Co-Chair Kathy Hofstedt, Office of Information & Technology Services , Co-Chair Lee Berget, District 4 Sue Dwight, Office of Financial Management Cassandra Isackson, Office of Traffic, Safety, & Technology Matt Koukol, Office of Transportation Data & Analysis Jonette Kreideweis, Office of Transportation Data & Analysis Bill Roen, Office of Financial Management Susan Walto, Office of Transportation Data & Analysis (staff) Expert Resources to the Work Team Michele Bliss, Mn/DOT Records Manager Sheila Hatchell, Mn/DOT Library Director Schedule The Data Governance Work Team will meet at regular intervals (to be scheduled) based on the on-going development and implementation of the Data Business Plan for Mn/DOT as managed by the Business Information Council. Cambridge Systematics, Inc. F-2
Appendices G. Congestion The report recommends adopting a travel time reliability measure. This appendix documents the calculations and results of both travel time index (TTI) and planning time index (PTI) for I-70 from Denver International Airport to Vail from for the period of November 1, 2010 through October 31, 2011. Definition of Travel Time Reliability There are two widely held ways that reliability can be defined. Each is valid and leads to a set of reliability performance measures that capture the nature of travel time reliability. Reliability can be defined as: 1. The variability in travel times that occur on a facility or a trip over the course of time; and 2. The number of times (trips) that either “fail” or “succeed” in accordance with a pre-determined performance standard. In both cases, reliability (more appropriately, unreliability) is caused by the interaction of the factors that influence travel times: fluctuations in demand, traffic control devices, traffic incidents, inclement weather, work zones, and physical capacity (based on prevailing geometrics and traffic patterns). These factors will produce travel times that are different from day-to-day for the same trip. The reliability of a facility or trip can be reported for different time slices, e.g., weekday peak hour, weekday peak period, and weekend. From a measurement perspective, reliability is quantified from the distribution of travel times, for a given facility/trip and time slice, that occurs over a significant span of time; one year is generally long enough to capture nearly all of the variability caused by disruptions. A variety of different metrics can be computed once the travel time distribution has been established, including standard statistical measures (e.g., standard deviation, kurtosis), percentile-based measures (e.g., 95 th percentile travel time, Buffer Index), on-time measures (e.g., percent of trips completed within a travel time threshold, and failure measures (e.g., percent of trips that exceed a travel time threshold). Definition of Measures Calculated The speed and segment data was obtained from the CDOT ITS Office in a flat file, comma delineated format organized by month. CS calculated the TTI and PTI for the am and pm peak for I-70 for the year beginning November 1, 2010 using the following formulae. PTI was calculated as the 95th percentile travel time divided by the free flow travel time. Cambridge Systematics, Inc. G-1
Page 3:
final report CDOT Performance Data
Page 7:
CDOT Performance Data Business Plan
Page 10 and 11:
List of Figures, continued vi Cambr
Page 12 and 13:
Page 14 and 15:
Page 17 and 18:
Page 19 and 20:
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47:
Page 50 and 51:
Page 52 and 53:
Page 54 and 55:
Page 56 and 57:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67:
Page 70 and 71:
Page 72 and 73:
Page 74 and 75:
Page 76 and 77:
Page 78 and 79:
Page 81 and 82:
5.0 External Reporting Dashboard CD
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102: CDOT Performance Data Business Plan
Page 103: CDOT Performance Data Business Plan
Page 109: Figure 5.18 CDOT Dashboard Example
Page 119 and 120: Appendices A. Additional Data Colle
Page 121 and 122: Appendices Recognize and Plan
Page 123: Appendices Improved communication
Page 126 and 127: Appendices Planning Ext Planning In
Page 138 and 139: Appendices Person, Ron, Balanced Sc
Page 140 and 141: Appendices CDOT is required to rep
Page 142 and 143: Appendices How and when they ar
Page 144 and 145: Appendices If measures reported by
Page 146 and 147: Appendices INTEGRATE REGIONAL AND S
Page 148 and 149: Appendices Maintain or improve
Page 151: Appendices F. Sample Data Governanc
Page 155 and 156: Appendices Table G-1 Revised Segmen
Page 157 and 158: Appendices Results The following ta
Page 159 and 160: Appendices Figure G-1 Speed Eastbou
Page 161 and 162: Appendices Figure G-5 Speed Westbou
Page 163 and 164: Appendices A useful format for the
Page 165 and 166: Appendices Figure G-13 AM Peak PTI
Page 167 and 168: Appendices H. Calculation Spreadshe
Page 169 and 170: Appendices Cambridge Systematics, I
show all

CDOT Performance Data Business Plan - Cambridge Systematics

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?