Overall Rating Gold - expired
Overall Score 70.16
Liaison Kylee Singh
Submission Date Sept. 19, 2019
Executive Letter Download

STARS v2.1

California Polytechnic State University
OP-17: Employee Commute Modal Split

Status Score Responsible Party
Complete 0.52 / 2.00 Cheryl Andrus
Community Services Coordinator
University Police Department
"---" indicates that no data was submitted for this field

Total percentage of the institution’s employees that use more sustainable commuting options as their primary method of transportation:

A brief description of the method(s) used to gather data about employee commuting, including the timeframe for when the analysis was conducted and how a representative sample was reached, if applicable:

- Data on employee commuting in 2019 was gathered through a survey conducted by Walker Consultants, with input from Cal Poly faculty and staff. Estimated mode shares, commute distances, total vehicle miles traveled, and commute-generated greenhouse gas emissions are based on analysis of the survey data completed as part of a research grant from the Mineta Transportation Institute.
- The survey was administered from January 22 to February 2, 2019. All members of the Cal Poly campus community (those with a Cal Poly email address) received an invitation to participate in the survey. Survey respondents answered questions about their "typical" commute habits, and well as specific trips to and from campus over the most recent seven days.
- For the analysis of the survey results, respondents were assigned to one of four role groups: undergraduate students; graduate students; faculty; and staff. We weight all statistics presented in this report to adjust the sample to resemble the population proportion of those role groups. More specifically, each individual in a given role group was assigned a weighting factor so that the group’s weighted representation in the sample is the same as their proportion in the overall campus population.
- As is common in surveys, the samples were disproportionately comprised of women. In addition to weighting individuals by their role group, these differences in response rates among men and women, in each role group, were corrected so that the weighted representations of men and women in the sample were equal to the proportions of men and women in each role group in the overall population.
- Post-stratification weights were estimated using cell weighting to correct for non-response and non-coverage (for further reading on survey weighting, see Kalton and Flores-Cervantes, 2003).
- The weighted survey responses are can be interpreted to have the characteristics of a random, representative sample.

The percentage of the institution's employees that use each of the following modes as their primary means of transportation to and from campus::
Percentage (0-100)
Commute with only the driver in the vehicle (excluding motorcycles and scooters) 74
Walk, bicycle, or use other non-motorized means 10
Vanpool or carpool 9
Take a campus shuttle or public transportation 4
Use a motorcycle, scooter or moped 3
Telecommute for 50 percent or more of their regular work hours 0

The website URL where information about the programs or initiatives is available:
Additional documentation to support the submission:
Data source(s) and notes about the submission:

The information presented here is self-reported. While AASHE staff review portions of all STARS reports and institutions are welcome to seek additional forms of review, the data in STARS reports are not verified by AASHE. If you believe any of this information is erroneous or inconsistent with credit criteria, please review the process for inquiring about the information reported by an institution or simply email your inquiry to stars@aashe.org.