R rating of attribute X on probability scale 0 very poor, 0.5 average & 1 excellent. X o ζ ζ ,. = estimated parameters. Valuing Rail Service Attributes through Rating ...
Valuing g Rail Service Attributes Through Rating Surveys Neil Dougla$ & George Karpouzis Douglas Economics, Wellington RailCorp NSW, Australia
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Th Three St Steps Train Security Night S9
Percent
S8
4.0%-5.0% 2.0%-3.0% S6
1 0%-2 1.0% 2.0% 0%
S5 S4 S3 S2
Train Security Night Rating
2. Time Value of a Rating Change
3.The Dollar Value
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
88%
100%
75%
63%
50%
38%
25%
0%
S1 13%
1.Rating Explanation Model
0.0%-1.0%
Overall Ra ating
S7
3.0%-4.0%
Approach Survey 1 Oct 2004-Feb 05
Change Attribute Rating
Overall Rating Model
Improvement Priority Model Change in On-train O a Time e Rating
Survey 2 Oct 2005-Jan 05
Change in On-train Function
Base On-train Rating
Base On-train Time On-train Time Valuation Minutes per trip
Value of Time Survey July 2003
Value of On-train Time $/hr Fare Valuation Cents per trip Valuemethod.ppt
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
S Sample l Si Sizes Rating 04 04-05 05 2 2,700 700 Rating 05-06 05 06 1,100 Value of Time 04 3,800 , Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Sample Profiles Peak/Off Peak Network coverage Compared with CityRail Compendium ((Details in Paper p / Reports) p ) Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
STEP 1 Rating 0405 Questionnaire S lf Completion Self C l ti – onboard b d ttrain i 11. Please rate your rail service. Circle your rating with 1 being very poor and 9 excellent. Please leave blank if the facility is not relevant to you.
A. The service frequency your trains depart B. The speed of your train service C. The reliability of your service D. How easy do you find it is to get a seat E Your feeling of day time personal security on trains E. F. Your feeling of night time personal security on trains G. Your feeling of day-time personal safety at stations H. Your feeling of night-time personal security at stations
Very Poor
1 1 1 1 1 1 1 1
2 2 2 2 2 2 2 2
Average
3 3 3 3 3 3 3 3
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
4 4 4 4 4 4 4 4
5 5 5 5 5 5 5 5
Excellent
6 6 6 6 6 6 6 6
7 7 7 7 7 7 7 7
8 8 8 8 8 8 8 8
9 9 9 9 9 9 9 9
Percentage Rating Weighted All - Percent Rating 70%
ating % Ra
60% 50% 40%
Source: RailCorp Surveys, Douglas Economics Analysis
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Rail Overa all
Statio on Overa all
Train n Overa all
Securitty Night
Securitty Day
Seat Availabilitty
Reliabilitty
On-Traiin Time
Service Frequenccy
30%
DEL Sydqual Sydqual_Analysis_3.xls!Rating Analysis 3.xls!Rating
12. Please rate the train you are travelling on today with 1 being very poor and 9 excellent. Very Poor
Average
Excellent
A. The outside appearance of this train B. Ease of boarding this train C The seat comfort of this train C. D. The smoothness of this train E. The quietness of this train F. The heating and air conditioning of this train G. The lighting g g of this train H The level of graffiti on this train I. The general inside cleanliness of this train J. The on-train announcements on this service today K. The layout and design of this train
1 1 1 1 1 1 1 1 1 1 1
2 2 2 2 2 2 2 2 2 2 2
3 3 3 3 3 3 3 3 3 3 3
4 4 4 4 4 4 4 4 4 4 4
5 5 5 5 5 5 5 5 5 5 5
6 6 6 6 6 6 6 6 6 6 6
7 7 7 7 7 7 7 7 7 7 7
8 8 8 8 8 8 8 8 8 8 8
9 9 9 9 9 9 9 9 9 9 9
L. Your overall rating of this train today
1
2
3
4
5
6
7
8
9
Please turn over°
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Weighted All - Percent Rating
70% 60% 50% 40%
Source: RailCorp Surveys, Douglas Economics Analysis
Train Overall
Layoutt
An nnouncements
s Cleanliness
Graffiti
Lighting
Air Conditioning
Quietness
Smoothness off S Ride
Seat Comfortt
Ease of Boarding
Train Outside e
30%
DEL Sydqual_Analysis_3.xls!Rating
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
3. Please rate the station you boarded this train with 1 being very poor & 9 excellent. Please leave blank if the facility is not relevant to you.
Very Poor
A. Ease of getting on/off the train from the platform B Platform weather protection – wind, B. wind rain and shade C. Platform seating – availability, comfort and appearance D. Platform surface - smoothness and look E. Subway or overbridge design F. Design and layout of Main station building G. Ease of platform access including lifts & escalators H. Station signage . Station announcements J. Real-time train information such as train indicator boards K. Station lighting L. Station general cleanliness M. Station graffiti N. Availability and cleanliness of station toilets O. Personal safety - security cameras, help points & night safe areas P. Availability and helpfulness of station staff Q. Car parking facilities and security R Car drop off area and waiting facilities R. S. Taxi waiting area and facilities T. Bus transfer area and waiting facilities U. Bicycle facilities and security V. Availability and maintenance of station telephones W. Station retail, catering and vending machine facilities X. Ticket purchase – office and automatic ticket machines
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
Y. Your overall rating of the station you boarded this train
1
2
3
4
5
6
7
8
9
Average
Excellent
4. Please give the name of the station you rated above
………………………………………….
5. Please rate your overall CityRail experience
1
2
3
4
5
6
7
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
8
9
Source: RailCorp Surveys, Douglas Economics Analysis
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Station O Overall
Tickketing
Retail
Telep phone
Bicycle
Bus
Taxi
Car Dro op Off
Carr Park
Staff
Station S Safety
Toilets T
Graffiti G
Cleanliness
Lig ghting
Inform mation
Announcem ments
Siigning
Lifts & Escs
Station Bu uilding
S'way-O O.Brdg
Pla atform
Pla atform
We eather
Station O On-Off
Weighted All - Percent Rating
80%
70%
60%
50%
40%
DEL Sydqual_Analysis_3.xls!Rating
AIM
Explain p the overall rating g in terms of Individual attribute ratings g
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Why?
To determine the
Relative Importance of each attribute
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Station Building 80% 70%
Overrall
60% 50% 40% 30% 20% 20%
30%
40% 50% 60% Station Building
70%
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
80%
Lifts & Escalators 80% 70%
Overall
60% 50% 40% 30% 20% 20%
30%
40% 50% 60% Lifts & Escalators
70%
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
80%
Reliability S9
Percent
S8
2.0%-4.0%
S6
0.0%-2.0%
S5 S4 S3 S2
R li bilit R Reliability Rating ti
100%
88%
75%
63%
50%
38%
25%
13%
0%
S1
Overall R Rating
S7
4.0%-6.0%
Individual Data The equation fitted: ∑ζ R ) )= 1 + exp(ζo + ∑ ζ R ) exp(ζo +
Pr( R ALL
X
X
k
X
…..(1)
X
k
where: Pr( R ALL ) = overall rating expressed as a probability (0-1) score RX
ζ o, ζ X
= rating of attribute X on probability scale 0 = very poor poor, 0.5 0 5 = average & 1 = excellent = estimated parameters
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Service Rating
Train
Cleanliness Graffiti
Train Outside O ff On-off Seat Comfort Smoothness Quietness Air Conditioning Lighting Cleanliness & Graffiti Announcements Layout
Frequency In vehicle Time In-vehicle Reliability Train Seat Availability Train Overall Station Overall Train & Station Security
Train Day Security Train Night Security Station Day Security Station Night Security
Cleanliness Graffiti Car Park Car Drop Off
RatingModel.ppt
Station On-off Platform Weather Protection Platform Seating Platform Surface Subway/Overbridge Station Building Lifts & escalators Sign – Announcements - Info Lighting Cleanliness & Graffiti Toilets Staff Car Park & Drop Off Taxi Bus Bicycle Telephone & Retail Ti k ti Ticketing
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Subway/O’Bridge Station Building Lifts & Escalators Signing Announcements Information Lighting
Telephone Retail
Model Overall " " " " " " " " " "
Attribute Service Frequency On Train Time Reliability Seat Availability Train Day Safety Train Night Safety Station Day Safety Station Night Safety Train Quality Station Quality Total Rail Service
Model Estimates Parameter (ζ) |t| 0.40 1.58 0.50 1.92 1.23 5.20 0 15 0.15 0 84 0.84 0.09 0.07 1.32 0.09 0.07 1 03 1.03 3 72 3.72 1.23 4.51 4.86 na
Final Parameters Parameter (ζ') Weight 100.0% 0.40 100.0% 0.50 100.0% 1.23 100 0% 100.0% 0 15 0.15 100.0% 0.09 100.0% 0.07 100.0% 0.09 100.0% 0.07 100 0% 100.0% 1 03 1.03 100.0% 1.23 100.0% 4.86
Percent of Total 8.2% 10.3% 25.3% 3 1% 3.1% 1.9% 1.4% 1.9% 1.4% 21 2% 21.2% 25.3% 100.0%
On-Train Time Ratio (Zx) 0.80 1.00 2.46 0 30 0.30 0.18 0.14 0.18 0.14 2 06 2.06 2.46 9.72
R li bilit Reliability ZX =
ζ ' X 1.23 = = 2.46 ζ 'V 0 .5
.....(5)
where: Z X = ratio of attribute X rating parameter to on-train time rating parameter
ζ ' X = on on-train train time rating parameter
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Model Train T i " " " " " " " " " " "
Attribute
T i O Train Outside t id Ease of Board & Alight Seat Comfort Smoothness Quietness Ai C Air Conditioning diti i Lighting Train Grafitti Train Cleanliness Train Announcements L Layout t Total Train Attributes
Model Estimates Parameter (ζ) |t|
0 45 0.45 0.39 0.44 0.36 0.43 0 55 0.55 0.16 0.17 0.42 0.23 0 53 0.53 4.13
2 51 2.51 2.00 2.40 1.71 2.10 3 40 3.40 0.94 3.08 2.10 3 30 3.30 na
Final Parameters Parameter (ζ') Weight
24 9% 24.9% 24.9% 24.9% 24.9% 24.9% 24 9% 24.9% 24.9% 24.9% 24.9% 24.9% 24 9% 24.9% 24.9%
0 11 0.11 0.10 0.11 0.09 0.11 0 14 0.14 0.04 0.04 0.10 0.06 0 13 0.13 1.03
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Percent of Total
On-Train Time Ratio (Zx)
2 3% 2.3% 2.1% 2.3% 1.9% 2.3% 2 9% 2.9% 0.8% 0.8% 2.1% 1.2% 2 7% 2.7% 21.2%
0 22 0.22 0.20 0.22 0.18 0.22 0 28 0.28 0.08 0.08 0.20 0.12 0 26 0.26 2.06
Train Outside wTQ Q =
ζ TQ
∑ζ
X
1.03 = = 0.249 …..(2) 4.13
X
where: wTQ
= weight for train quality attributes
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Weight g
ζ ' X = wM ζ X
…..(3)
P Proportion i Pr(ζ ' ) =
ζ 'X
∑ζ '
= X
0.11 = 0.023 4.86
…..(4)
X
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Model
Attribute
Model Estimates Parameter (ζ) |t|
Station Platform Train On-Off 0.19 0.33 " Weather Protection 0.24 0.55 " Platform Seating 0.23 0.32 " Platform Surface 0.15 0.22 " Subwayy / Overbridge g 0.52 1.52 " Station Building 0.54 0.35 " Lifts & Escalators 0.48 0.31 " Information 0.35 1.64 " Announcements 0.43 " Signing g g 0.43 " Lighting 0.42 0.54 " Station Cleanliness 0.59 1.50 " Station Grafitti 0.59 " Toilets 0.30 0.41 " Staff 1.05 2.03 " Car Park 0.07 0.14 " Car Drop Off 0.05 " Taxi 0.16 0.18 " Bus 0.71 0.96 " Bike 0.07 0.12 " Telephone 0.17 0.38 " Retail 0.15 " Ticketing 0.98 1.66 " Total Station Attribute 8.86 na Source: RailCorp p Surveys, y , Douglas g Economics Analysis y
Final Parameters Parameter (ζ') Weight
13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9% 13.9%
0.03 0.03 0.03 0.02 0.07 0.08 0.07 0.05 0.06 0.06 0.06 0.08 0.08 0.04 0.15 0.01 0.01 0.02 0.10 0.01 0.02 0.02 0.14 1.23
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Percent of Total
On-Train Time Ratio (Zx)
0.6% 0.06 0.6% 0.06 0.6% 0.06 0.4% 0.04 1.4% 0.14 1.6% 0.16 1.4% 0.14 1.0% 0.10 1.2% 0.12 1.2% 0.12 1.2% 0.12 1.6% 0.16 1.6% 0.16 0.8% 0.08 3.1% 0.30 0.2% 0.02 0.2% 0.02 0.4% 0.04 2.1% 0.20 0.2% 0.02 0.4% 0.04 0.4% 0.04 2.9% 0.28 25.3% 2.46 DEL Valuation06_6.xls!Model
Equivalent q change g in onboard time rating g of 10% improvement in reliability (0.38 rating points) ΔRV = Z X {ΔR X } = 2.46.{0.38} = 0.93
…..(6)
where: ΔRV = Equivalent change in on-train on train time rating ΔR X = Change in attribute rating ΔRV = Equivalent change in on-train time rating Z X = Rating g explanation p p parameter ((see Table 4)) for attribute X in terms of on-board rail time
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Step 2 Rating Survey 05-06 12. How long will you spend on the train from boarding to alighting? …………. minutes (Please include any time on trains you may have transferred from or may transfer to)
13. Please rate the speed p of your y train service on a 1-9 scale Very y Poor Average g Excellent Please circle your rating with 1 being very poor & 9 being excellent 1 2 3 4 5 6 7 8 9 14. To have rated your rail speed as excellent, how short would your train trip have had to be? My on-train trip would have to take me……….minutes for me to rate it excellent and score it 9
Average onboard times Peak Off-Peak Short Medium Long Short Medium Long Peak Off-Peak ALL All All All 59 59 Rating 0405 21 43 95 19 44 109 40 41 40 Rating 0405 16 40 86 15 40 99 35 36 35 VOT 03 14 41 94 14 40 90 35 34 35 Average 16 42 93 16 42 98 37 38 38 Segment average is sample size weighted; peak & off off-peak peak average weighted by CityRail segment % RailCorp Surveys, Douglas Economics Analysis Valuation06_5.xls!Sample
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
60
Pk_Short
Onb board Time Reduction mins
Pk_Med
50
Pk_Long OffPk_Short
40
OffPk_Med OffPk L OffPk_Long
30
Pk_S_Pred Pk_M_Pred
20
Pk_L_Pred OP S Pred OP_S_Pred
10
OP_M_Pred OP_L_Pred
0
1
2
3
4
5
6
7
8
9
On train Time Rating (1 V On-train V.Poor, Poor 9 Excellent) RailCorp Surveys, Douglas Economics Analysis
QSF06_analysis_4.xls!ONT
∂V = V α β {ΔR}γ …..(7) ( ) where: ∂V = Change in on-board train time required by respondent to rate it excellent V = Current on-board train time estimated by respondent ΔR = Change in rating from current to excellent (9 – current rating) α,β,γ = Parameters to be estimated Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Estimated on Individual data Peak Respondents 13.0 12.5 Standard Error V
12.0 11.5 11.0 10.5 10.0 9.5 9.0
Alpha
8.5
Gamma
80 8.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 Parameter Value
Off-Peak Respondents 13.0 12.5 Standard Error V
12.0 11.5 11.0 10.5 10 0 10.0 9.5 9.0
Alpha
8.5
Gamma
8.0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 P Parameter t Value V l RailCorp Surveys, Douglas Economics Analysis
DEL QSF06_Analysis_3.xls
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Number of Parameter Estimates Goodness of Fit S.E. β |t| for β S.E. δV Observations γ α β Period Peak 0.95 0.3 0.271 0.0052 52.4 8.87 577 Off-Peak 0.85 0.4 0.374 0.0079 33.8 8.87 185 All 0.9 0.3 0.339 0.0054 62.8 8.88 762 RailCorp Surveys Surveys, Douglas Economics Analysis DEL QSF06 QSF06_Analysis_4.xls!ONTT Analysis 4 xls!ONTT
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
[
]
ΔV = V α β {9 − RV }γ − Max[0, {9 − ( RV + ΔRV )}]γ …..(8) where: ΔV = Change in on-board time in minutes associated with the change in on-board rating V = Current on on-board board train travel time (see Table 6) ΔRV = Predicted change in on-board time rating equivalent to the rating change for attribute X RV = Base on-board time rating (see Table 3) α β γ= Estimated parameters α,β,γ
So 10% reliability rating improvement = 1 min decrease in onboard rail time
[
]
ΔV = 420.950.271 {9 − 4.6}0.3 − Max[0, {9 − (4.6 + 0.93)}]0.3 = 1..013 …..(9) (9)
Values of Onboard Time
Peak Off-Peak Short Med Long Short Med Long Value of Time $/trip 9.51 9.35 9.53 8.14 7.83 7.40 Average Fare $/trip 2.13 2.96 5.32 1.87 2.19 3.60 Values include GST and take account of concession entitlement Source: "Value of Rail Time Survey", Douglas Economics 2004
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Off Peak Peak All 9.46 7.93 8.80 2.90 2.25 2.62 Valuation06_5.xls!VOT
Service Interval & Reliability Relative Value of Improvements Peak
Off-Peak
Relative Valuation
Short
Medium
Long
Long
Peak
Off-Peak
All
SI Rating 1-9 Scale
4.8
4.4
4.6
4.7
4.7
5.2
4.7
4.8
4.7
SI Rating + 1 Rating Point
5.8
5.4
5.6
5.7
5.7
6.2
5.7
5.8
5.7
Implied Reduction in SI mins
0.80
0.79
1.11
0.66
0.69
1.13
0.85
0.75
0.80
Compensating Change in Onboard Time mins
0.38
0.83
1.74
0.57
1.26
2.96
0.74
1.17
0.92
Service Interval Valuation mins
0.48
1.04
1.57
0.86
1.83
2.61
0.87
1.56
1.15
Reliability Rating 1-9 1 9 Scale
4.20
3.80
4.12
4.20
4.04
5.08
4.04
4.28
4.20
Reliability Rating + 1 Rating Point
5.20
4.80
5.12
5.20
5.04
6.08
5.04
5.28
5.20
Implied Reduction in Expected Lateness mins
0.97
1.01
1.05
0.88
0.88
0.92
0.99
0.89
0.95
Compensating Change in Onboard Time mins
1.49
3.07
6.54
2.49
4.67
8.79
2.79
4.17
3.38
Expected Lateness Valuation mins
1.54
3.04
6.22
2.83
5.33
9.60
2.80
4.72
3.57
RailCorp Surveys, Douglas Economics Analysis
Short Medium
Weighted
DEL QSF06_Analysis_4.xls!ONF2
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
RailCorp 2005 Timetable Change Why?
RailCorp Surveys, Douglas Economics DEL QSF06_Analysis_4.xls!CF
9 8 7 6 5 4 3 2 1
Rating 1-9 Scale
1-9 Rating Oct04Oct05Change Feb05 Jan06 Attribute On-train Time 5.0 4.5 -0.5 Service Frequency 47 4.7 48 4.8 01 0.1 Reliability 4.2 5.5 1.3 Seat Availability 6.0 5.6 -0.4 Overall Rating 4.8 5.2 0.4 (1) Overall for 2005-06 Predicted
2004-5 2005-6
On-Train Time
Service Interval
Reliability
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Seat Availability
Overall
Weighted Predicted Change Peak Off-Pk ALL Equivalent Change On-train Time Rating -0.4 -0.3 -0.3 C Change O On-train Time mins/trip / -0.3 -0.3 -0.3 Value of Time $/hr 9.5 7.9 8.8 Benefit Cents/trip 5.2 3.5 4.5 Annual Trips million 156 118 273 Annual Benefit $ million 8 4 12 RailCorp Surveys, Douglas Economics EL QSF06_Analysis_4.xls!CF
Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
Conclusions: 1. Simple p data collection approach pp – (just about) everyone (?)can do a 1-9 rating 2. Easy and cost effective to repeat 3. Translation of ratings into onboard time Okay in theory and gave plausible values
‘Estimating the Passenger Cost of Train Crowding’, Douglas & Karpouzis Sydney ATRF 2006 Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006
4. Still need a value of time ($/hr) 4 - SP, other source (Approach could be extended) 5. Needed a large sample size 6. Correlations in attributes / package effects Weak parameters for some station attributes
7. Overall g good for qualitative attributes – architects seem to like it Valuing Rail Service Attributes through Rating Surveys Douglas & Karpouzis 29th ATRF Gold Coast 2006