Empfohlen
Weitere ähnliche Inhalte
Ähnlich wie Data and Tools for Regional Planning
Ähnlich wie Data and Tools for Regional Planning (20)
Mehr von RPO America
Mehr von RPO America (20)
Kürzlich hochgeladen
Kürzlich hochgeladen (20)
Data and Tools for Regional Planning
- 1. CTPP ACS NHTS LEHD NPMRDS HEPGIS Data and Tools for Regional Planning Penelope Z. Weinberger CTPP Program Manager AASHTO 6/29/2017 National Regional Transportation Conference
- 2. What are We Here For? • Data • Applications • Approaches • The Future! • Your Stuff 2
- 3. Data Sets • I Can Talk About – ACS (Census Data) – CTPP – NHTS – LEHD • I’d rather not talk about – NPMRDS – HEPGIS – Bluetooth/Probe – LEHD 3
- 4. Overview of Census-Based Commuting Programs and Products
- 5. 2010 Census vs. ACS 2010 Census: ACS: • Everyone in the U.S. • 3.54 million addresses/year • U.S. population count • Estimates of the population and housing characteristics • Demographic characteristics only • Demographic, social, economic and housing characteristics • Every 10 years • Every year 5
- 6. Commuting Data and the ACS Commuting data now collected on the ACS, which began in 2005. ACS questions related to commuting are the same as those on the 2000 Census Long Form The ACS only asks about work trips 6
- 7. Transportation Questions on the ACS • Means of transportation • Occupants per Vehicle • Time leaving home for work • Travel time to work • Place of work • Vehicles per household 7
- 8. Strengths of ACS Transportation Data • Survey data, collected continuously • Available for small areas • Comparability across years and geographies • Includes margins of error for quality checks • Rich set of demographic characteristics • Several ways to access the data depending on user needs 8
- 9. 9 Source: U.S. Census Bureau, 2014 American Community Survey. Table S0801. 0.6 1.2 2.7 4.5 5.2 9.2 76.5 Bicycle Other means of travel Walked Worked at home Public transportation Carpooled Drove alone Percent of workers How People Travel to Work: 2014
- 10. 10 Sources: U.S Census Bureau. Census 1960, 1970, 1980, 1990, 2000; American Community Survey 2006, 2010, 2014. Universe: Workers 16 years and older. 64.0 77.7 84.1 86.5 87.9 86.7 86.3 85.7 64.4 73.2 75.7 76.0 76.6 76.5 19.7 13.4 12.2 10.7 9.7 9.2 1960 Census 1970 Census 1980 Census 1990 Census 2000 Census 2006 ACS 2010 ACS 2014 ACS Percent of workers Percent of Workers who Commuteby Automobile in the UnitedStates:1960 to2014 Total Automobile Drove Alone Carpooled
- 11. 11 21.7 22.4 25.5 25.0 25.2 25.7 20 21 22 23 24 25 26 27 28 29 30 1980 Census 1990 Census 2000 Census 2006 ACS 2010 ACS 2014 ACS Minutes Travel Time to Work (One Way) (1980 to 2014) Sources: U.S. Census Bureau, Decennial Census 1980,1990,2000. U.S. Census Bureau, American Community Survey, 2006, 2010,2014.
- 12. New ACS Supplemental Tables • New 2014 ACS Supplemental Tables released on AFF in late July. • 58 Tables focused on basic demographics. • Available for selected geographies of at least 20K. • Tables use prefix “K”. • Two basic commuting tables: – K200801 Means of transportation to work – K200801 Travel time to work. • Search tip: Type K* to call all tables starting with prefix K. 12
- 13. Accessing Public ACS Data 13
- 15. 15
- 16. Block Group Estimates Now Available on AFF
- 18. Census Shapefiles with Pre-Joined ACS Data • Tigerline Shapefiles with pre-joined ACS demographic data • Layers available down to the block group level • More than 60 tables attached to shapefiles • Detailed tables (not collapsed version) https://www.census.gov/geo/maps-data/data/tiger- data.html
- 19. Census Explorer Mapping Tool • www.census.gov/censusexplorer/ • Maps selected ACS variables for Census 1990, Census 2000, and 5-year ACS • Census Explorer Commuting Edition: – Drove alone, Carpooled, Transit, Walk, Bicycle – Average Travel Time – Percent traveled 60 minutes or longer
- 20. 20
- 21. Resources for Census Products • Census Bureau General assistance with AFF 301-763-INFO (4636) or 800-923-8282 • Census.gov FTP Technical Support 301-763-2626 • Census 2020 Support census.2020.program.management.review@census.gov • Journey to Work and Migration Statistics Branch 301-763-2454
- 22. What is the CTPP? An AASHTO sponsored data program funded by member State transportation agencies Operates with support from FHWA, OST-R, FTA, Census Bureau, MPOs and TRB The program includes: Data products Training and technical assistance Research Designed for the transportation community
- 23. 23 MPOs Arash Mirzaei, NCTCOG Jim Hubbell, MARC Shimon Israel, MTC Tom Faella, LAPC MaryAnn Waldinger, COMPASS Benjamin Gruswitz, DVRPC Vacant States Laine Heltebridle, PA (Region I) Greg Slater, MD (Region I) Vacant (Region II) Jessie Jones, AR (Region II) Phillip Mescher, IA (Region III) Jennifer Murray, WI (Region III) Soheila Khoii, CA (Region IV) Erik Sabina, CO (Region IV) Ex Officio Members Ken Cervenka, FTA Ed Christopher, Consultant Alison Fields, Census Bureau Matt Hardy, AASHTO Bill Keyrouze, AMPO Brian McKenzie, Census Bureau Tom Palmerlee, TRB Alan Pisarski, Consultant Steven Polzin, USF. CUTR Clara Reschovsky, OST-R, BTS Erich Zimmermann, NARC JJ (Jing Jing) Zang, Technical Adjunct Chair: Tracy Larkin-Thomason, NV (Region IV) Vice Chair: Guy Rousseau, ARC AASHTO Liaison:: Penelope Weinberger 17 voting members: 9 states and 8 MPOs Guided by an AASHTO Oversight Board
- 24. And it’s free, right? 24
- 25. 25
- 26. 26
- 27. A brief (don’t blink) history • Pop Quiz! • When did the Journey to Work Question first appear on the Census Form? • How often is the Census collected? • How about the American Community Survey (ACS) • Without data you’re just ____________ » W. Edwards Deming 27
- 28. Buyers/Users Direct Cost Tables 1960 OMB ??? ??? 1970 112 $0.6 M 43 1980 152 $2.0 M 82 1990 $2.5 M 120 2000 $3.0 M 203 2005 + AASHTO Consolidated Purchase $5.8 M Multiple Products All States and MPOs Transformation over time
- 29. 29
- 30. 30 Applications of CTPP Data Products • Long Range Planning/TIP • Performance measurement • Modal share analysis • FTA New Starts/Small Starts • Travel Demand Modeling and Forecasting • Policy Impact Analysis • Livability analysis • Corridor planning • Air quality modeling • Trend analysis • Descriptive statistics • Title VI • Environmental justice • Factoring/Adjusting surveys
- 31. 31
- 32. CTPP Data Concepts Summarized data by Place of Residence Place of Work Flows from Home to Work Custom Geography (Local TAZs) Unique Universes (e.g. workers in HHs)
- 33. 5-year Geography and Flows ● Asymmetrical Flows (in red) ● Small Areas defined by MPOs in MPO areas and States Elsewhere ● Tracts are Defaults for Small Areas ● Default TADs defined by AASHTO ● UZA tables for Part 1 ONLY ● MCD Only States FROM / Residence TO / Workplace State State State-County State-County State-County-MCD State-County-MCD State-County-Place State-County-Place MSA MSA State-County State-Place State-County-MCD State-Place State PUMA (2000) State-Place PUMA (2000) POW PUMA (2000) Tract Tract TAD TAD Locally Defined Small Area Locally Defined Small Area TAD Locally Defined Small Area Locally Defined Small Area TAD State-Place Locally Defined Small Area Locally Defined Small Area State-Place
- 34. What we ended up with – for 5 year Tables Eight Variables crossed with Means of Transportation to work (MOT) …and
- 35. Some Key Data Items Include • Data on Households – Size, income, vehicles per household • Data on Workers – Age and gender, occupations, earnings • Data on Journey to Work – Usual mode to work, commuting time, work departure time • Data on Workplaces – Work locations, times of arrival at work
- 36. This sounds great, how do I get it? • http://ctpp.transportation.org/Pages/5- Year-Data.aspx • Free • No log in required (but useful and recommended) • 350GB of data! • Produced inexpensively… 36
- 37. The Future • ’s so bright _________________ » Timbuk 3 • ________ Is the Passport to the Future » Malcolm X • Alvin Toffler describes it as too much change in too short a period of time • ____ the ____ if you would divine the future » Confucius 37
- 38. 38 Five year Tables (2012 to 2016) Same Structure as 2006 to ’10 CTPP Same Software with Enhancements No TAZ changes Available Late 2018 Some Table Changes (adds and subtractions) Next CTPP Data Product
- 39. 39 What Does this Mean? The New and Improved Stuff Added Flows from Places to Counties Added Several Tables Average HH Size (p1) Poverty by Mode (p1, p2) Class of Worker by [Industry, Time Arriving, Mean TT, Mode] (p2) Vehicles available by Number of Workers in HH (p3) Number of 2006-2010 CTPP Tables Number of Tables Deleted* Number of Tables Retained at Large Geography Only Number of All Geography Tables Retained Total number of tables retained Overall 344 176 76 99 168 Part 1 187 85 48 56 102 Part 2 116 73 17 30 43 Part 3 41 18 11 13 23 Residence Geo Level Number Nation 12* State 603* County 3221 MCD 11958 Place 29514 MSA 374 Principal City692 PUMA 2101 UA 3625 Tract 74002 TAD 10867 TAZ 217526 Workplace Geo Level Number Nation 10* State 499* County 3221 MCD 11958 Place 29514 MSA 374 Principal City692 PUMA 1263 UA 0 Tract 74002 TAD 20867 TAZ 217526 *includes geo components CTPP Oversight Board Tables Subcommittee Proposal Background for 2012 - 2016 Tables Proposal The Census Bureau has directed us to request a special tabulation for our next 5-year data product that is one third (1/3) the size of our current special tabulation. Additionally, we are limited in the number of tables that can include all levels of geography; most tables will be produced at census summary levels ofplace, MCD (for strong MCDstates), county, PUMA, state, MSA (and principal city), and nation and the TAD custom geography (Large Geographies Only). Only a few tables will also be available at Tract and TAZ (All Geographies). Basic criteria for proposed elimination: tables that had been accessed by CTPP Data Access Software users 150 times or fewer by Oct 6 2015, and had 5 or more recommendations for elimination by the tab subcommittee. Additionally, any table that did not fail thatcriteria, but had two or fewer recommendations to retain it at small (tract and TAZ)geography was recommended for retention at large geo only. *number of tables deleted includes tables that are to be added back in thesoftware, derivable from requested tables. Contact me with your feedback at: pweinberger@aashto.org For the complete table request look under the ‘resources’ directory (folder) on the CD for the 12-16 Table Proposal 05 0602016.xlsx file
- 40. Training Materials http://ctpp.transportation.org/Pages/trainingresources.aspx AASHTO CTPP Website E-Learning Recorded Webinars http://ctpp.transportation.org/Pages/webinardirectory.aspx http://ctpp.transportation.org/Pages/elearningmodules.aspx
- 42. 42 CTPP Users Conference Come to Kansas City for our 2017 CTPP Users Conference http://trbcensus.com/maillist.html Subscribe to the CTPP Users ListServ to be in the know November 14-16, 2017 • Call for presentations coming, April 2017 • Featuring Student paper competition • Four commissioned papers • Breakout sessions and more http://onlinepubs.trb.org/onlinepubs/conferences/2017/c ensusdata/Announcement.pdf
- 43. 2016 National Household Travel Survey
- 44. What is the NHTS? The National Household Travel Survey (NHTS) is a periodic national survey providing travel and transportation pattern data to transport planners and policy makers in the United States. NHTS 2016: •The latest and eighth in series of the National Household Travel Survey (NHTS). The last one being in 2009. •Data collected on trips taken by all members of participating households over a 24-hour period. Data includes….Purpose of the trip Means of Transportation Travel time of the trip Time of day/day of week
- 45. • What’s in the data? – Household demographic information, Trip ODs, typical commute, bike/walk/transit, VMT, health, vehicle/fuel type, telecommuting, transit transfers, etc. • How much is there? – 26,000 national sample + 129,112 add-on sample • How was it collected or generated? – Mail (recruitment) + CATI/Web (retrieval) • What time period is covered, and how frequently is it released? – 2016 NHTS = April 2016- April 2017 – Survey conducted every 5-7 years • I want some! How do I get it? – Public data set is downloadable from nhts.ornl.gov 45
- 48. NHTS Academy
- 49. Compendium
- 50. Data Center
- 52. Frequently Asked for Tables (FAT)
- 55. 2016 DATA COLLECTION: •April 2016 – April 2017, with data collected across 365 days of the year. •Data collection ended in early May 2017. •Respondents were encouraged to record all travel, even if “out of town” on travel day •Complete household - 100% of all household members (5 years +) recorded travel • Data collection ended with approximately 130,000 completed surveys. PUBLIC RELEASE: Slated for early 2018PUBLIC RELEASE: Slated for early 2018
- 56. SPECIFIC CHANGES IN 2016 NHTS QUESTIONNAIRE: •Use of emerging modes such as Uber and Lyft 1. Options of Uber and Lyft has been added to various questions on choice of mode. 2. Specific questions on Rideshare and carshare added. •Active Transportation questions 1. Walking or biking for exercise 2. Reasons for not walking/biking
- 57. COMING SOON: •2016 NHTS Data Release in early 2018 • Add-on agencies scheduled to receive files in late 2017 •NHTS Conference – May 2018 •Also in 2018: • Summary of Travel Trends • Website Upgrade
- 58. Using NHTS at Census Tract • Local Area Transportation Characteristics for Households – estimates of average weekday household person trips, vehicle trips, person miles traveled, and vehicle miles traveled, for all census tracts • https://www.rita.dot.gov/bts/sites/rita.dot.g ov.bts/files/subject_areas/national_househ old_travel_survey/about 58
- 59. THANK YOU! 59
Hinweis der Redaktion
- No commuting data on decennial census 2010 Means of transportation *12 categories, including worked at home. Respondents are only asked to choose one mode, so multimodal trips are not captured. For example….drive from the suburbs to a park n’ ride, hop on a light rail Occupants per Vehicle *carpooling Time leaving home for work *hour and minute Travel time to work *one-way travel time in minutes Place of work *Respondents are asked for the address of the their workplace, or the intersection *important for flow data, origin destination Vehicles per household
- 5-year data only
- Download tool and extract it from zip file form
- The Census Bureau used two different forms to collect Census 2000 data. A short form with seven basic questions went to all households and a long form with these same questions and additional questions went to a sample of households. The information that is tabulated from the questions asked of every person and housing unit is called the100-percent or short-form data. The long-form questionnaire included the same seven population and housing questions plus additional inquiries. This is called either the sample data, or the long-form data. DEFINITIONS: 100% Data - Population and housing information collected for all living quarters in the United States. Census - A complete enumeration (count) of a population or the business and commercial establishments, farms, or governments in an area. Long form - The decennial census questionnaire containing 100 percent and sample questions. Sample data - Detailed social, economic, and housing information collected on the long form from a selected portion of all housing units and people living in group quarters. The 1990 census sampled approximately 15 percent of the nation's population and 16 percent of its housing units. See 100 percent data. Short form - The decennial census questionnaire containing only the 100 percent questions.
- Intro, Trip Purpose, VMT, Best Mile,
- Raw data for the last 5 surveys: multiple formats: SAS Dbase and ASCII, replicate weights are used to calculate standard errors, roster file provides info on all HH members, transferability groups households together by location type- allows users to have larger data sets to perform their analysis
- Read them off
- These tables represent the most popular NHTS tabulations including average VMT by mode, or number of person trips by age; various formats: HTML, Excel and Table Designer- You can search the FATs- Let’s look at mode: Number of Person Miles by Mode and Purpose
- Person Trips by Bike/walk over the years, can download as CSV
- Enter an email address to create highly customized tabulations, your account will keep a log of past tables. Can create one way, two way, three way (allows for state by state tables) tabulations Codebook link to select variable Focus on Bike/walk, change to WHYTRP90 (round trip), use variable categories- comparing purposes for bike/walk trips Various statistics: Sample size, Cell percent, Row percent, Column percent, Weighted sample size, Margin of Error can take a while (so at least for today do not select this one) Customized categories, variables, subgroups Help window provides tips and step-by-step instructions 3 way, annual person trips, mode, 1990 Trip Purpose, MSACAT, Subgroup: MD, VA, DC 9 (with 2015, we will likely see a very large increase in bike trips due to bike share system) Can use housing units/people per square mile; 0 vehicle HHs- if you are trying to capture a particular demographic We can go back to the edit tools-