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SESSION 483 NATIONAL TRAVEL SURVEYS: ANINTERNATIONAL PERSPECTIVE
Alan E. Pisarski
WHERE TO START ?
A thank you to all the presenters Excellent material to work with Their work will benefit others in US
and in the World
WHERE TO START ?
A thank you to all the presenters Excellent material to work with Their work will benefit others in US
and in the World
IS THERE A MAIN MESSAGE?
YES!
1. SURVEYS ARE VERRRY HARD TO DO!
2. HARD TO KEEP ALIVE!
3. WE ARE ALL CHALLENGED BY CHANGING:
TECHNOLOGIES DEMOGRAPHY POLICY DEMANDS
IN MY WHITE PAPER FOR FHWA I USED THIS FORMAT TO REVIEW THE NHTS
CONTENT
METHODS
FINANCIAL
INSTITUTIONAL
FOR THIS I NEED TO ADD A 5TH CATEGORY
CONTENT
METHODS
FINANCIAL
INSTITUTIONAL
POLICY NEEDS
Some thoughts on content Not too surprisingly content is very
similar Asking about rail passes Asking about business travel
The great challenges Get at long distance travel in one survey Get at more detailed private vehicle activity Get at variation in week’s travel
On long distance travel
We need a complete trip length distribution 0-1000 miles
We need a frequency distribution of what percent of long travel is generated by what percent of pop
Survey approaches that can’t do that have limited value
What share of travel lies between daily travel and intercity? World Tourism Organization of the UN defines this as = travel outside the “usual” environment
Not likely doable in a composite survey! Not clear that it is worth the costs involved!
USA: ATS 1995
In US >2000 miles* = 10% of trips & 42% of long trip miles
10% of pop makes 51% of trips
LES
S T
HA
N 3
0...
30
0-4
99
MIL
ES
50
0-9
99
MIL
ES
1,0
00
-1,9
99
M...
2,0
00
PLU
S M
...
0%
10%
20%
30%
40%
50%TRIPS % MILES %
none 1 2 3 to 4 5 to 6 7 to 10 11 or more
0
10
20
30
40
50
60
38
11 1114
8 9 10
03
5
12 11
18
51
%pop
%trips
Some thoughts on Methods More Issues; more challenges; as expected
Periodicity is a great issue everywhere 5 continuous surveys; 9 others very variable in timing 4,6,10 years!!! RESEARCH ON DECAY RATES OF DATA NEEDED
Advantages of a national register-like sample frame is evident
CATI still strong in some places; threatened in others. New techs are a big part of the future
NEED TO SHARE OUR EXPERIENCE WITH NEW TOOLS
Some thoughts on Finance A struggle to do surveys A struggle to sustain them Maybe Switzerland is immune? Not really! Do we fail to make the policy case for
better information Need research on value of data; B/C
If you think data collection is pricey – consider the cost of ignorance!
Some thoughts on Institutions
Who leads – Who follows: A 3 way challenge Cities/metros? Provinces/States/Regions? National?
Now trans-national EU; N. Amer. Surveys?
National plus add-ons is strong prospect Canadian variation Other models?
Some thoughts on Policy
Things getting very nichie in traditional data e.g., Electric vehicles Some niche modes some niche purposes/activities Some niche applications
Other Policies than directly transportation Vehicle Safety Environmental Fuel Use and Efficiency Sustainability
