Estimating the benefits of bicycle facilities
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Estimating the Benefits of Bicycle Facilities. Stated Preference and Revealed Preference Approaches. Kevin J. Krizek Assistant Professor Director, Active Communities Transportation (ACT) Research Group University of Minnesota. Do cyclists need their own facilities?.

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Estimating the Benefits of Bicycle Facilities

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Estimating the benefits of bicycle facilities

Estimating the Benefits of Bicycle Facilities

Stated Preference and Revealed Preference Approaches

Kevin J. Krizek

Assistant Professor

Director, Active Communities

Transportation (ACT) Research Group

University of Minnesota


Do cyclists need their own facilities

Do cyclists need their own facilities?


Dimensions to measuring bicycle benefits

Dimensions to Measuring Bicycle Benefits

For whom?

Which benefits?

At what geographic

level or type of facility

Using what units

or methods?


Introduction

Introduction

  • Bicycle facilities are non-market goods

  • Not bought and sold in an open market

  • Difficult to attach an economic value

  • What would economists do?


Stated preference

Stated Preference

  • Survey instrument

  • Respondents provided with hypothetical situations, making it feasible to analyze situations that are qualitatively different from the actual ones seen in practice

  • Individuals’ stated preferences may or may not be similar to the preferences they actually show


Stated preference1

Stated Preference

  • Application to Bicycle Facility Benefits:

    • Provide survey respondents with hypothetical choices between different types of bicycle trails

    • Respondents indicate how much extra time they would devote to accessing a preferred facility


Revealed preference

Revealed Preference

  • What people do, rather than what they say.

  • Identifies the ways in which a non-marketed good influences the actual market for some other good


Revealed preference1

Revealed Preference

  • Application to Bicycle Facility Benefits:

    • The effect of bicycle trails on home sale prices

    • Are individuals paying more for the option of using bicycle trails?


Adaptive stated preference application

(Adaptive) Stated Preference Application

Goal: to measure how much people say they value certain bicycle facility attributes.

How much is a bike lane worth to you?

How much is having an off-road facility worth to you?

How much is having parking removed from the side street worth to you?


Facilities compared in this study

Facilities Compared in this Study

Bike Lane, No Parking

Off Road

Bike Lane with Parking

No Bike Lane with Parking

No Bike Lane, No Parking


Survey

Survey

  • Adaptive Stated Preference Survey

    • Choices updated based on previous response.

  • Bicycling in facility A vs. in B

    • Compare two bicycle facilities and tradeoff travel time and facility quality.


Choice scenario sample bicycle route comparison

Choice Scenario Sample – Bicycle Route Comparison

Travel Time for Route 1 gets longer or shorter based on selection.


Estimating the benefits of bicycle facilities

Additional minutes willing to travel on an alternate, better quality facility before adjusting for demographic variables

Base

Alternate

Vs.

Vs.

Vs.

Vs.


Estimating the benefits of bicycle facilities

Additional Minutes willing to travel on Alternate Facility before adjusting for demographic variables

Base

Alternate

Vs.

Vs.

Vs.


Estimating the benefits of bicycle facilities

Additional Minutes willing to travel on Alternate Facility before adjusting for demographic variables

Base

Alternate

Vs.

Vs.

* Values as shown apply to females. For males, the minutes in each cell should be reduced by 3.71 minutes and dollar values should be calculated from the resulting number. Adjustments for income, house hold size and age should be made using the model coefficients.

** Hourly rate used is $12/hr.


Revealed preference2

Revealed Preference

Goal: to measure how much people do they value certain bicycle facility attributes.


Estimating the benefits of bicycle facilities

Roadside Bicycle Trail

Non-Roadside Bicycle Trail

On-Street Bicycle Lane


Estimating the benefits of bicycle facilities

Variables and Descriptions


Estimating the benefits of bicycle facilities

Regression Results

Spatial

Structural


Estimating the benefits of bicycle facilities1

Estimating the Benefits of Bicycle Facilities

Stated Preference and Revealed Preference Approaches

Kevin J. Krizek

Assistant Professor

Director, Active Communities

Transportation (ACT) Research Group

University of Minnesota


House hold and other information

House Hold and Other Information

The survey also asked household and travel behavior questions.


Results

Results

Facility Key

A – Off-Road Trail

B - Designated Bike Lane, No Side Parking

C – Designated Bike Lane,

Side Parking

D – In-traffic Bicycling,

no Side Parking

E – In-traffic Bicycling, Side Parking


The model

The Model


Regression results

Regression Results


Motivations

Motivations

  • Encouraging cycling as a viable mode can potentially be easier when you have facilities that people prefer.

  • Measure how much people value certain facility attributes.

    • What do people want?

      • How much is a bike lane worth to you?

      • How much is having an off-road facility worth to you?

      • How much is having parking removed from the side street worth to you?

    • Are there differences across Age, Gender, and Income in preferences?


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