ed christopher resource center near chicago federal highway administration 19900 governors drive...
TRANSCRIPT
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Ed ChristopherEd ChristopherResource Center near ChicagoResource Center near Chicago
Federal Highway Administration Federal Highway Administration 19900 Governors Drive19900 Governors Drive
Olympia Fields, IL 60461Olympia Fields, IL 60461
[email protected]@EdTheFed.com
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In this ModuleIn this Module
Overview Census 2000 with Overview Census 2000 with a Transportation Focusa Transportation Focus
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Census 2000Census 2000Short Form and Long FormShort Form and Long Form
Short form
Long form
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Census 2000Census 2000Short Form QuestionnaireShort Form Questionnaire
7 Questions7 Questions NameName SexSex AgeAge
RelationshipRelationship Hispanic OriginHispanic Origin
RaceRace Owner/Renter StatusOwner/Renter Status
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For the U.S. as a whole, about For the U.S. as a whole, about one in six households one in six households received the long-form received the long-form questionnaire.questionnaire.
Census 2000Census 2000Long Form Sampling PatternLong Form Sampling Pattern
17%
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Transportation Related QuestionsTransportation Related QuestionsLong FormLong Form
Place of WorkPlace of Work
Means of Transportation to WorkMeans of Transportation to Work
Carpool Occupancy to WorkCarpool Occupancy to Work
Departure Time for WorkDeparture Time for Work
Travel Time to WorkTravel Time to Work
Vehicles AvailableVehicles Available
€€
€€
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What Data is Available?What Data is Available?
100% data or SHORT-FORM data100% data or SHORT-FORM data•Redistricting Summary File (PL Redistricting Summary File (PL Data)Data)
•Summary File 1 (SF1)Summary File 1 (SF1)•Summary File 2Summary File 2
Sample or LONG-FORM dataSample or LONG-FORM data•Summary File 3 (SF3)Summary File 3 (SF3)•Summary File 4Summary File 4
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Public Use Microdata SamplePublic Use Microdata Sample(PUMS)(PUMS)
Unaggregated responses to Census Unaggregated responses to Census
2000 with all identifying information 2000 with all identifying information
removedremoved
– 1-Percent National Characteristics File 1-Percent National Characteristics File
– 5-Percent State Files 5-Percent State Files
• 100,000 population threshold for 100,000 population threshold for geographygeography
• 10,000 population threshold for 10,000 population threshold for characteristicscharacteristics
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California PUMAs (5%) andCalifornia PUMAs (5%) andSuper-PUMAs (1%)Super-PUMAs (1%)
5-Percent 1-Percent
62 62 super-super-PUMAPUMA
233 233 PUMAsPUMAs
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Bay Area PUMAs (5%) andBay Area PUMAs (5%) andSuper-PUMAs (1%)Super-PUMAs (1%)
54 PUMAs54 PUMAs
12 super-12 super-PUMAsPUMAs
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Typical Products We UseTypical Products We Use
PL171PL171 100%100% Pop, Age, Race (Blocks)Pop, Age, Race (Blocks)
Summary File 1 (SF1)Summary File 1 (SF1) 100%100% Pop, Age, Pop, Age, Race, Household size, owner/renter Race, Household size, owner/renter (Blocks) (Blocks) More Geography than PL171More Geography than PL171
Summary File 3 (SF3) Summary File 3 (SF3) 17%17% All All Variables, (Block Group)Variables, (Block Group)
Public Use Micro Series (PUMS) Public Use Micro Series (PUMS) 5% 5% of SF3of SF3 Individual Records (Big ZonesIndividual Records (Big Zones))
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MediaMedia
InternetInternet
CD-ROM /DVDCD-ROM /DVD
PaperPaper
http://www.census.govhttp://www.census.gov
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The Transportation The Transportation DataData
Now for a Now for a Slight Gear Slight Gear
ChangeChange
Census Census TransportationTransportation
Planning PackagePlanning Package
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WhatWhat is CTPP 2000? is CTPP 2000?
The Census Transportation The Census Transportation Planning Package 2000 is a set of Planning Package 2000 is a set of special tabulations from the long special tabulations from the long
form of the decennial census form of the decennial census designed by transportation designed by transportation
planners for transportation plannersplanners for transportation planners
It summarizes the dataIt summarizes the data
At ResidenceAt ResidenceAt WorkplaceAt Workplace
Flows between Flows between Home and WorkHome and Work
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Who developed it?Who developed it?
It was guided by a Working GroupIt was guided by a Working GroupUSDOT USDOT (FHWA, BTS, FTA and OST)(FHWA, BTS, FTA and OST)
Census Bureau Census Bureau (Migration and Geography Divisions)(Migration and Geography Divisions)
AASHTOAASHTO
States and MPOsStates and MPOs
TRB Subcommittee on Census DataTRB Subcommittee on Census Data
www.www.TRBcensus.comTRBcensus.com
CTPP 2000 was a product of CTPP 2000 was a product of the states and MPOs funded the states and MPOs funded through an AASHTO Pooled through an AASHTO Pooled Fund ProjectFund Project
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Who paid for it?Who paid for it?
Buyers/UsersBuyers/Users Direct CostDirect Cost TablesTables
19601960 OMBOMB ?????? ??????
19701970 112112 $0.6 M$0.6 M 4343
19801980 152152 $2.0 M$2.0 M 8282
19901990 $2.5 M$2.5 M 120120
20002000 $3.0 M$3.0 M 203203All StatesAll States
and MPOsand MPOs
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WhatWhat are the CTPP 2000 are the CTPP 2000 Products?Products?
Tabulations Tabulations at Residenceat Residence
Tabulations Tabulations at Workplaceat Workplace
Flows between Flows between Home and WorkHome and Work
Main CTPP 2000 ProductsMain CTPP 2000 Products
Collateral ProductsCollateral Products State and County ProfilesState and County Profiles County Flow DataCounty Flow Data
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CTPP 2000 Main ProductsCTPP 2000 Main Products
Tabulations Tabulations at Residenceat Residence
Tabulations Tabulations at Workplaceat Workplace
Flows between Flows between HomeHome and and WorkWork
Part 1Part 1 Part 2Part 2 Part 3Part 3
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When was it released?When was it released?
Residence Based TablesResidence Based TablesOct 2002 Mar. 03 AprilOct 2002 Mar. 03 April
June July-August 2003June July-August 2003
CTPP 2000 cames out in 3- wavesResidence, Workplace and Worker Flows
Workplace Workplace Spring / Summer 2004Spring / Summer 2004
Summer 2003 Summer 2003 Fall 2003Fall 2003
-------------------
------------
---
------------
-------------------------
--------
---
-
------------
---Worker Flow TablesWorker Flow Tables Winter 2003-2005 Winter 2003-2005
____
------ Spring
Spring-------- ----
-
-SummerSummer
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Why all the delay?Why all the delay?
Disclosure Review Board NegotiationsDisclosure Review Board Negotiations (Sept 2001 to Jan 2002)--- 5 months(Sept 2001 to Jan 2002)--- 5 months
People Living in Group Quarters Issues People Living in Group Quarters Issues (Jan to May 2003)--- 5 months(Jan to May 2003)--- 5 months
Part 3 Software Issues Part 3 Software Issues (Sept ‘04 to ???)--- 9+months(Sept ‘04 to ???)--- 9+months
Inexcusable delays caused by CB on whether or not 13 Inexcusable delays caused by CB on whether or not 13 tables in CTPP 2000 Part 1 could be released. Finally, CB tables in CTPP 2000 Part 1 could be released. Finally, CB allow all but 3 Tables originally identified… allow all but 3 Tables originally identified… Dave Clawson, Dave Clawson, AASHTOAASHTO
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Why the 2003 Delay?Why the 2003 Delay?Group Quarters IssueGroup Quarters Issue
Fear by Census Bureau that one could Fear by Census Bureau that one could identify the “characteristics” of workers identify the “characteristics” of workers who live in group quarters by subtractionwho live in group quarters by subtraction
SF3--Workers SF3--Workers who live in who live in
Households and Households and
Group QuartersGroup Quarters
CTPP 2000--CTPP 2000--Workers who Workers who
live in live in Households Households
Workers who Workers who live in Group live in Group
Quarters Quarters -- ==
Modes Used Modes Used Modes Used
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The CATThe CATCTPP Access ToolCTPP Access Tool
How is it packaged?How is it packaged?
ASCII TooASCII Too
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What was the What was the Distribution Process?Distribution Process?
CDs with Extraction SoftwareCDs with Extraction Software To MPOs and States FirstTo MPOs and States First
(ASCII also available(ASCII also available) ) 30 Day review period30 Day review period
Corrections madeCorrections made
Quantities prepared and redistributedQuantities prepared and redistributed
BTS (and others) distribution program(s)BTS (and others) distribution program(s)
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MPO - State NoteMPO - State Note
Feel free to copy and distribute the Feel free to copy and distribute the data to your member agencies and data to your member agencies and
othersothers
The are no copyright or licensing The are no copyright or licensing provisionsprovisions
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Is there be Training?Is there be Training?
Yes! Sort ofYes! Sort of
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Provides all basics on understanding, using Provides all basics on understanding, using and working with the CTPP data in a and working with the CTPP data in a transportation planning contexttransportation planning context
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What is it?
Self-Paced, Individualized Training
CD-Rom Based
Loaded with Animations
Fun yet Informative
Less than 5-Hours to Complete
Chock Full of Information
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MPO-State NoteMPO-State Note
Feel free to copy and distribute the Feel free to copy and distribute the data to your member agencies and data to your member agencies and
othersothers
The are no copyright or licensing The are no copyright or licensing provisionsprovisions
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Where do I get the CTPP Where do I get the CTPP 2000 Data?2000 Data?
http://www.transtats.bts.gov/http://www.transtats.bts.gov/
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https://www.bts.gov/pdc/https://www.bts.gov/pdc/
Where do I get the CTPP Where do I get the CTPP 2000 Data?2000 Data?
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What are we Getting?What are we Getting?Let’s Look at the DetailsLet’s Look at the Details
So how does this thing work?
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Tables—Lots of TablesTables—Lots of Tables
121 Tables of Residents’ Based Data121 Tables of Residents’ Based Data
68 Tables of Work Place Data68 Tables of Work Place Data
14 Tables of Flow Data14 Tables of Flow Data
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Variables--Variables--Lots of VariablesLots of Variables
Journey-to-WorkJourney-to-WorkWork Location and Mode Departure and Travel TimeArrival Time (Calculated)
HouseholdHouseholdIncomeNos. Vehicles AvailableSize and Nos. Workers
PersonPersonWorker StatusAge, Sex, Race, Hispanic Origin, Disability WorkersWorkers
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Geography--Lots of Geography
T A Z
or Block Groups
Part 1 1 2 1 T a b l e s(at Residence)
Part 2(at Workplace)
Part 3(Worker Flows)
1 4 T a b l e s
6 8 T a b l e s
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What is a “Universe”?What is a “Universe”?
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CTPP 2000 Table Structure
Part 1: At Residence (121 Tables) Group 1: All Workers Tables 1-29
Group 2: Workers in Housholds Tables 30-48
Group 3: Persons Tables 49-61
Group 4: Households Tables 62-83
Group 5: Housing Units Tables 84 to 88
Group 6: Computed Tables Tables 89-121
Part 2: At Workplace (68 Tables) Group 1: All Workers Tables 1-29
Group 2: Workers in Households Tables 30-48
Group 3: Computed Tables Tables 49-68
Part 3: Worker Flows (14 Tables) Group 1: Small Geography Tables 1-8
Group 2: Sm Geo Computed Tables 9-14
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Sample Table ListSample Table List
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SF3 CTPP 2000
Travel time to Work (4) by Means of Transportation (2)
Travel time to Work (15) by Means of Transportation (10)
Tenure (2) by Vehicles Available (6)
Vehicles Avail (5) by Hhld Income (25)
Vehicles Avail (5) by Nos. of workers in hhld (5)
AND MORE
Comparing SF3 to CTPP 2000Comparing SF3 to CTPP 2000
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One-Way Household income in 1999 (11)
Two-Way Sex (3) by Age (12)
Three-WayHousehold size (5) by Vehicles available (6) by Household income (11)
Four-WayVehicles available (3) by Hispanic origin (3) by Race of person (5) by
Means of transportation to work (8)
Sample CTPP Cross TabulationsSample CTPP Cross Tabulations
http://www.dot.gov/ctpp/http://www.dot.gov/ctpp/
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Total Total Total TotalDrove Alone Drove Alone Drove Alone Drove Alone
2 Person Carpool 2 Person Carpool 2 Person Carpool3 Person Carpool 3 Person Carpool4 Person Carpool
5-6 Person Carpool7+ Person Carpool
Bus/Trolley Bus Bus/Trolley Bus Bus or Trolley BusStreetcar/TrolleySubway/Elevated
RailroadFerryboat
BicycleWalkedTaxicab
MotorcycleOther Means
Worked at Home Worked at Home Worked at Home
18 Modes 11 Modes 8 Modes 5 Modes
Bicycle/Walked
Taxicab/ Motorcycle/other
Means
Bus/Trolley Bus/ Streetcar/Trolley/ Subway/Elevated/
Railroad/ Ferryboat
Bicycle/ Walked/ Taxicab/
Motorcycle/other Means/ Worked at
Home
Streetcar/Trolley/ Subway/Elevated/
Railroad/ Ferryboat
Bicycle/Walked/ Taxicab/
Motorcycle/other Means
Streetcar/Trolley/ Subway/Elevated
Railroad/ Ferryboat
Means of Transportation to Work
3+ Person Carpool2+ Person Carpool
4+ Person Carpool
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SampleSample
Variable ListVariable List
NOTE: Age has 3 NOTE: Age has 3 levels, clusters or levels, clusters or elementselements
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Disclosure Review BoardDisclosure Review Board
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CTPP 2000 Post DRB
Part 1: at Residence (121 Tables) All Tables Rounded Zero = 0 1 through 7 = 4 8 though = Nearest Multiple of “5”
Part 2: at Workplace (68 Tables) All Tables Rounded
Part 3: Worker Flows (14 Tables) All Tables Rounded Some Tables with Thresholds
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Mode to Work
Circa 1990For 2000
(ROUNDED)
Total 352 350 (not 355!)
Drive Alone 212 210
Carpool 46 45
Transit 59 60
Walk 33 35
Bike 2 4
Example of RoundingExample of Rounding
True Total 354True Total 354
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Table Content
1 Total Workers (1)
2 Vehicles Available (3--zero,one or two+) by Means of Transportation (7 modes)
3 Poverty Status (3 categories)
4 Minority Status (2--white non-hispanic and all others)
5 Household Income (8 classifications)
6 Means of Transportation (17 modes)
7 Household Income (4 classifications) by Means of Transportation (4 modes)
8Mean Travel Time by Means of Transportation to Work (7 modes) and Time
Leaving Home for Work (2--AM peak and all other times)
9Median Travel Time by Means of Transportation to Work (7 modes) and Time
Leaving Home for Work (2 groupings)
10 Aggregate Number of Vehicles by Time Leaving Home for Work (2, see table 8)
11 Number of Workers per Vehicle by Time Leaving Home for Work (2, see table 8)
12 Aggregate Number of Carpools by Time Leaving Home for Work (2, see table 8)
13 Number of Workers per Carpool by Time Leaving Home for Work (2, see table 8)
14Aggregate Travel Time by Means of transportation to work (7 modes) and Time
Leaving Home for Work (2, see table 8)
Part 3: Worker Flow Tables
No record No record thresholdthreshold
Must have 3 Must have 3
unweighted unweighted
recordsrecords
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Have You Seen our Newsletter (the Status Report)?
http://www.dot.gov/ctpphttp://www.dot.gov/ctpp
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When Mining Your Census DataWhen Mining Your Census DataKeep us in MindKeep us in Mind
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Want to…Want to…Show Off Your Work?Show Off Your Work?Gain National Gain National Exposure?Exposure?Meet Other Data Users?Meet Other Data Users?Tour Washington DC?Tour Washington DC?
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Ed Christopher-Chair (708-283-3534)Ed Christopher-Chair (708-283-3534)