cutr webcast presentation 06.28 · 2012-08-22 · 12 demographics of floridians source: u.s. census...

6/28/2012

1

Analysis of Florida Travel Patterns:2009 National Household Travel Survey

Steven E. Polzin, PhD.

Center for Urban Transportation ResearchUniversity of South Florida

6/28/2012

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INTRODUCTION TO THE NHTS

• National travel survey conducted every 5‐8 years by FHWA

• Sole national source of data on all trip purposes and all modes of travel

• Contains:– Individual trip data (mode, trip length, travel time)– Person characteristics (age, race, worker status)– Household characteristics (number of people, income)– Vehicle characteristics (make, model, mileage)

• FDOT purchased an add‐on dataset to examine travel more accurately and comprehensively within the state. Included additional questions and sample specified by regional geography

• All trip data geocoded

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TRAVEL BY GEOGRAPHY

Combined Metropolitan Area People Sampled

Jacksonville 2,279

Fort Lauderdale-Miami 5,874

Orlando 2,385

Tampa-St. Petersburg-Clearwater 4,088

West Palm Beach-Boca Raton 1,859

All Other Regions/Not in an MSA 14,467

Total 30,952

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DATA COLLECTION

• Random sample of residential land line phone numbers

• Dormitories and fraternity/sorority houses included as

• Medical institutions, prisons, or military barracks excluded

• Each household assigned a travel day

• Executed March 2008-March 2009

• Households kept a travel diary of all travel

• Follow-up phone interview conducted after travel day utilizing Computer Assisted Telephone Interviewing (CATI) technology

pl932mz5

pl932mz5 Combine Slides 2-4 to one slide? Most of the text belongs to the talking points.monica zhong, 4/9/2012

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OBJECTIVES OF NHTS ANALYSIS

• Develop a descriptive picture of past and current travel in Florida

• Explore travel in different geographies within the state

• Examine modes and their users

• Interpret the implications for transportation policy and investment

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CURRENT AND PROPOSED WORK

Current Work: Florida NHTS Analysis Planned Work: Briefs

• Chapter One: About the NHTS• Chapter Two: Florida vs. U.S. Travel• Chapter Three: Historical Florida Travel Trends• Chapter Four: Florida Travel by Geography• Chapter Five: Florida Mode‐Specific Analysis

• Travel and the internet• Tourism travel• School travel• Immigrant travel• Interstate usage of elderly drivers• Snowbird travel

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Fundamentals on Interpreting NHTS Data

“If you torture the data long enough, nature will confess.”

Ronald Coase – 1991 Nobel Prize in Economics

“If you torture the data long enough you can make it confess to anything.”

Alan Pisarski – No Nobel Prizes

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So What? How NHTS Impacts Decisions

X = land use, demographics, safety, health, energy use, air quality, etc.

NHTS

Develop Planning Tools and Models

Descriptive Analysis

Research

Decisions

Time

Elucidate Relationships between travel and “X”

Inform Perceptions

Influencing decisions

doesn’t mean the policy

makers read an NHTS report the night before the vote

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PRESENTATION OF RESULTS

• Basic description of Florida population

• Basic travel analysis (FL vs. U.S.)

• Historic travel trends

• Travel differences by geography

• Bike/walk travel

• Transit travel

• Carpool travel

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DEMOGRAPHICS OF FLORIDIANS

Source: U.S. Census Bureau, 2010 American Community Survey (ACS).

Age Distribution for Florida versus the U.S.

0%

5%

10%

15%

20%

25%

Under 5Years

5-14Years

15-19Years

20-34Years

35-44Years

45-54Years

55-64Years

65+Years

Florida U.S.

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Source: U.S. Census Bureau, 2010 ACS.

0%

5%

10%

15%

20%

25%

Less than$10,000

$10,000 to$14,999

$15,000 to$24,999

$25,000 to$34,999

$35,000 to$49,999

$50,000 to$74,999

$75,000 to$99,999

$100,000or more

Per

cen

t o

f A

ll H

ou

seh

old

s

Household Income

Florida

U.S.

Annual Household Income in Florida versus the U.S.

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Source: U.S. Census Bureau, 2010 ACS.

0%

5%

10%

15%

20%

25%

30%

35%

40%

1 2 3 4 5 6 7+

Per

cen

tag

e o

f P

op

ula

tio

n

Number of People in Household

U.S.

Florida

Household Size in Florida versus the U.S.

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BASIC TRAVEL ANALYSIS

Trip Rates by Age: Florida vs. U.S.

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5 to 15 16 to24

25 to39

40 to64

65 to69

70 to74

75 to79

80 to84

85+ AllAges

Ave

rag

e N

um

ber

of

Trip

s p

er D

ay p

er P

erso

n

Florida

US (with Florida)

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Trip Length by Age: Florida vs. U.S.

0

2

4

6

8

10

12

5 to 15 16 to 24 25 to 39 40 to 64 65 to 69 70 to 74 75 to 79 80 to 84 85+ All Ages

Ave

rag

e Tr

ip L

eng

th (

Mile

s)

Florida

US (with Florida)

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46.5

%

38.8

%

0.4%

1.0%

1.2%

9.2%

2.8%

44.4

%

38.9

%

0.3% 1.

9%

1.0%

10.5

%

3.0%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

50%

Per

cen

t o

f Tr

ips

Florida US (with Florida)

Mode Share: Florida vs. U.S.

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0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

Per

cen

tag

e o

f al

l Wee

kday

Tri

ps

Florida US (with Florida)

Temporal Distribution of Weekday Trips: Florida vs. U.S.

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0%

5%

10%

15%

20%

25%

Per

cen

tag

e o

f Tr

ips

Florida US (With Florida)

Trips by Trip Purpose: Florida vs. U.S.

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• Trip lengths in Florida are generally comparable to the country

0

5

10

15

20

25

30

Ave

rag

e T

rip

Len

gth

(m

iles)

Florida U.S. (with Florida)

Trip Length (miles) by Purpose: Florida vs. U.S.

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HISTORIC FLORIDA TRAVEL TRENDS

Historic Annual Total Florida VMT and PMT

0

50

100

150

200

250

1990 1995 2001 2009

Bill

ion

M

iles

VMT

PMT

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Historic Annual Florida VMT and PMT per Capita

0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

16,000

1990 1995 2001 2009

Mile

s

VMT/Capita

PMT/Capita

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9.7

8.8

9.29.3

0

2

4

6

8

10

12

1990 1995 2001 2009

Mile

s o

f Tr

avel

Average Trip Length over Time

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0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Auto Transit Bike Walk Other

Per

cen

tag

e o

fAll

Trip

s

Historic Mode Share in Florida

1990 NPTS

1995 NPTS

2001 NHTS

2009 NHTS

0.6% 0.9% 1.1% 1.2%

0.8%

1.1% 1.2%

1.2%

6.6%

3.5%

6.9%

9.2%

0%

1%

2%

3%

4%

5%

6%

7%

8%

9%

10%

1990 1995 2001 2009

Per

cen

tag

e o

f A

ll Tr

ips

Historic Mode Share for Transit, Bike, Walk

Transit

Bike

Walk

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HISTORICAL FLORIDA TRAVEL TRENDS

32.830.5

28.0

28.3

0

5

10

15

20

25

30

35

1990 1995 2001 2009

Mile

s p

er H

ou

r

Historic Florida Travel Speed Trends

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0%

2%

4%

6%

8%

10%

12%

Per

cen

tag

e o

f al

l Wee

kday

Tri

ps

2009 NHTS

2001 NHTS

1995 NPTS

1990 NPTS

Temporal Distribution of All Trips (Weekdays)

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FLORIDA TRAVEL BY GEOGRAPHY

• More urbanized areas tend to have lower levels of VMT and PVMT

Area UrbanSecond

CitySuburb

Town and

Country

VMT per

Capita5,380 6,999 7,262 9,278

PVMT

per

Capita

7,237 9,629 9,967 14,149

VMT and PVMT per Capita for Urban/Rural Areas

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AreaTrip Length

(miles)

Urban 7.2

Second City 8.6

Suburb 8.7

Town and Country 11.9

Trip Length - Urban/Rural

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88.1% 86.0% 85.7%

82.7%

8.0% 9.5% 8.7% 11.3%

0.2% 0.9% 1.7% 2.8%

1.2% 1.3% 1.2% 1.3%

2.5% 2.3% 2.7% 1.9%0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Town and Country Suburb Second City Urban

Per

cen

t o

f D

aily

Tri

ps

Auto

Walk

Transit

Bike

Other

Mode Share for Urban/Rural Areas

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Area UrbanSecond

City

Suburb Town and

Country

Average

Speed

(MPH)

22.9 27.5 27.5 33.4

Average

Travel Time

(Minutes)

18.7 18.2 18.8 20.5

Average Travel Speeds - Urban/Rural

• Urban areas typically have lower speed roads and more congestion

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Metropolitan Area VMT per Capita PVMT per Capita

Jacksonville 8,825 12,726

Fort Lauderdale-

Miami6,281 8,288

Orlando 7,605 11,197

Tampa-St.

Petersburg-

Clearwater

6,810 9,993

West Palm Beach-

Boca Raton7,392 10,039

VMT and PVMT by Metropolitan Area

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Metropolitan AreaTrip Length

(Miles)

Jacksonville 11.1

Fort Lauderdale-Miami 7.7

West Palm Beach-Boca

Raton8.0

Orlando 10.6

Tampa-St. Petersburg-

Clearwater8.7

Trip Length by Metropolitan Area

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0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Auto Transit Bike Walk Other

Per

cen

t o

f A

ll Tr

ips

Jacksonville

Ft. Lauderdale-Miami

West Palm Beach-Boca Raton

Orlando

Tampa-St. Petersburg-Clearwater

Mode Share by Metropolitan Area

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Metropolitan Area

Average

Speed

(MPH)

Average

Travel

Time

(Minutes)

Jacksonville 33.3 20.1

Ft. Lauderdale-Miami 23.9 20.2

West Palm Beach-

Boca Raton29.1 17.3

Orlando 28.8 19.4

Tampa-St. Petersburg-

Clearwater27.1 18.3

Average Travel Speeds by Metropolitan Area

• More densely populated metropolitan areas have lower travel speeds

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0

2,000

4,000

6,000

8,000

10,000

12,000

14,000

16,000

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

Mile

s

Population Density (People per Square Mile)

VMT per Capita

PVMT per Capita

VMT and PVMT per Capita by Population Density

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1

1.1

1.2

1.3

1.4

1.5

1.6

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

PV

MT

/VM

T R

atio


PVMT/VMT Ratio by Population Density

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0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

Dai

ly T

rip

s p

er P

erso

n


Trip Rate by Population Density

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0

2

4

6

8

10

12

14

16

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

Ave

rag

e Tr

ip L

eng

th (

Mile

s)


Trip Length by Population Density

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0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

Per

cen

t o

f A

ll Tr

ips


Auto Mode Share by Population Density

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38


0%

2%

4%

6%

8%

10%

12%

14%

16%

18%

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

Per

cen

t o

f al

l Tri

ps


Transit

Bike

Walk

Other

Mode Share for Other Modes by Population Density

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0

5

10

15

20

25

30

35

40

0 - 99 100 - 499 500 - 999 1,000 -1,999

2,000 -3,999

4,000 -9,999

10,000 -24,999

25,000 -999,999

Sp

eed

(M

iles

per

Ho

ur)


Travel Speed by Population Density

6/28/2012

40

FLORIDA TRAVEL BY BICYCLE/WALK

0

1

2

3

4

5

Ave

rag

e Tr

ip L

eng

th (

Mile

s) Bicycle

Walk

Bicycle and Walk Trip Length by Trip Purpose

6/28/2012

41

FLORIDA TRAVEL ‐ BICYCLE/WALK BY AGE

0%

2%

4%

6%

8%

10%

12%

0-15 16-19 20-29 30-39 40-59 60-64 65 or Older

Per

cen

tag

e o

f A

ll Tr

ips

Age

Bicycle Walk

Bicycle and Walk Mode Share by Age

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42


0%

2%

4%

6%

8%

10%

12%

14%

16%

Per

cen

tag

e o

f A

ll Tr

ips

Annual Household Family Income

Bicycle Walk

Bicycle and Walk Mode Share by Household Income

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0%

10%

20%

30%

40%

50%

60%

Per

cen

tag

e o

f Tr

ips

Bicycle

Walk

All Modes

Bicycle and Walk Mode Share by Trip Purpose

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44


Frequency of Bicycling in a WeekPercentage of

Population

No bicycle trips in the past week 86.7%

Less than once a week (1 time) 3.7%

Once or twice a week (2-4 times) 6.3%

Multiple times a week (5+ times) 3.4%

Number of Bicycle Trips in a Week

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Frequency of Walking in a Week

Percentage

of

Population

No walk trips in the past week 34.1%

Less than once a week (1 time) 4.7%

Once or twice a week (2-6 times) 34.5%

About once a day (7-14 times) 20.1%

More than once a day (15+ times) 6.6%

Number of Walk Trips per Week

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0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

0 1 2 3+

Per

cen

tag

e o

f H

ou

seh

old

s

Number of Household Vehicles

BicyclistHouseholds

PedestrianHouseholds

All FloridaHouseholds

Household Vehicle Ownership for Bicyclist and Pedestrian Households

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0%

5%

10%

15%

20%

25%

Per

cen

tag

e o

f H

ou

seh

old

s

Annual Household Income

Bicyclist Households

Pedestrian Households

All Florida Households

Household Income for Pedestrian and Bicycle Households

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FLORIDA TRAVEL BY TRANSIT BY AGE

0.0%

0.5%

1.0%

1.5%

2.0%

2.5%

0-15 16-19 20-29 30-39 40-59 60-64 65 or Older

Per

cen

tag

e o

f A

ll Tr

ips

Age

Transit Mode Share by Age

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FLORIDA TRAVEL BY TRANSIT

0%

1%

2%

3%

4%

5%

6%

Per

cen

tag

e o

f A

ll Tr

ips

Transit Mode Share by Household Income

6/28/2012

50


0%

5%

10%

15%

20%

25%

30%

Per

cen

tag

e o

f A

ll T

rip

s

Transit

All Modes

Transit Mode Share by Trip Purpose

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51


Frequency of Using Transit in a Month

Percentage

of

Population

Never 85.1%

Less than once a month (1 time) 3.0%

Once or twice a month (2-4 times) 4.4%

About once a week (5-10 times) 3.0%

Two or more days a week (11+ times) 4.5%

Number of Transit Trips in a Month

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0%

5%

10%

15%

20%

25%

30%

35%

Urban Second City Suburb Town and Country

Per

cen

tag

e o

f In

div

idu

als Transit Users

Florida Population

Residential Location of Transit Users

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0%

10%

20%

30%

40%

50%

60%

0 1 2 3+

Per

cen

tag

e o

f A

ll H

ou

seh

old

s

Number of Household Vehicles

Transit User Households


Household Vehicle Ownership of Transit User Households

• Nearly 50% of all transit user households do not own a car

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0%

5%

10%

15%

20%

25%

30%

35%

Per

cen

tag

e o

f A

ll H

ou

seh

old

s

Annual Household Income

Transit User Households


Household Income for Transit User Households vs. All Households

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FLORIDA TRAVEL BY CARPOOL

Type of Carpool PVMT/VMT Ratio

HH Carpool Trips 2.26

Mixed Carpool Trips 2.57

Non-HH Carpool Trips 1.52

PVMT/VMT Ratio by Carpool Type

• Mixed carpools have the highest occupancy while non‐HH carpools have the lowest occupancy

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Type of CarpoolAverage Trip Length

(Miles)

HH Carpool Trips 9.81

Mixed Carpool Trips 13.28

Non-HH Carpool Trips 11.12

Trip Length by Carpool Type

• Mixed carpool trips tend to be the longest while HH carpool trips tend to be the shortest

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33.3%

7.7%

9.0%

50.0%

HH Carpool

Non HH Carpool

Mixed Carpool

SOV Auto

Mode Share for Auto Trips

• Nearly half of all auto travel is carpools or multi‐occupant trips

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0%

5%

10%

15%

20%

25%

30%

35%

40%

Less than$10,000

$10,000 to$19,999

$20,000 to$29,999

$30,000 to$39,999

$40,000 to$49,999

$50,000 to$59,999

$60,000 to$60,999

$70,000 to$79,999

$80,000 to$99,999

Over$100,000

Per

cen

tag

e o

f A

ll Tr

ips

HH Carpool

Non HH Carpool

Mixed Carpool

Mode Share by Household Income and Carpool Type

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59

CONCLUSION

Floridian travel behavior is similar to that of other US residents.• Differences that do exist appear to be attributable to

different demographic and socioeconomic characteristics• Differences in built environment and travel choice options

may also explain differences between Florida and national averages.

Like the rest of the US, travel behavior trends in Florida are changing in meaningful ways. These differences reflect more than short-term economic stress. The plateauing of travel or reversal of travel growth trends reflects many factors including the consequence of population aging, vehicle availability saturation, real income growth plateauing, communication substitution opportunities, travel cost increases, congestion levels, and other factors.

6/28/2012

60

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cutr webcast presentation 06.28 · 2012-08-22 · 12 demographics of floridians source: u.s. census...

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