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Travel
Reduction
Program
Working to improve the air of
Maricopa County so customers,
residents, and visitors can live, work,
and play in a healthy environment.
301 W. Jefferson St.
Suite 410
Phoenix, Arizona 85003
602-506-6750
TRP main line
8:00 a.m. – 5:00 p.m. weekdays
July 1, 2024 – June 30, 2025
ANNUAL REPORT
Air Quality Department
Maricopa.gov/AQTRP
2025
https://www.maricopa.gov/2388/Travel-Reduction-Program
TRAVEL
REDUCTION
PROGRAM
FY2025
PROGRAM PARTICIPATION
SURVEY TYPE DISTRIBUTED
SURVEY RESPONSE RATE
FY25
FY24 55.43%
55.12%
AT A GLANCE
On July 16, 2024, the Travel
Reduction Program (TRP)
Regional Task Force (Task
Force) approved the TRP
Equivalent Emissions Reduction
(EER) Handbook. The handbook
provides employers with
guidance and instructions on
reporting processes and
resources to assist them in
obtaining EER credits to help
meet their program goals.
On November 19, 2024,
the TRP Telework Plan was
revised and approved to
better reflect current work-
place practices and provide
employers with flexible options
to support remote work.
The updated plan clarifies
employer responsibilities and
requirements to implement
this plan in lieu of the
standard plan format.
On December 10, 2024, the
TRP Contact Agreement was
finalized and approved. The
agreement confirms each
employer’s designated TRP
representative and outlines
their responsibilities in
coordinating program
requirements, ensuring
compliance, and serving as
the primary liaison between
the employer and TRP.
FY
2024
2025
2023
1,159
3,296
762,568
291,862
1,152
3,012
674,113
258,039
1,142
3,033
685,569
274,154
1,160
2,932
657,096
266,359
1,186
3,310
703,873
300,926
2022
2021
EMPLOYERS
SITES THAT
COMPLETED
THE SURVEY
EMPLOYEES
STUDENTS
100%
E-SURVEYS
1,004,799
SURVEYED
EMPLOYEES
AND
STUDENTS
PROGRAM ACCOMPLISHMENTS
USAGE RATES
TOTAL EMISSIONS REDUCTIONS IN TONS
POLLUTION
PREVENTED
SOV/MT* RATES
AMU* RATES BY TRIPS
*SOV/MT=single occupancy
vehicle / miles traveled
*AMU=Alternative Mode Use
LBS
7,286
56,043 DAILY
TONS
ANNUALLY
7,066,045 1,766,511,162
MILES DAILY
MILES ANNUALLY
COMMUTING
MILES REDUCED
60.29% 59.67%
61.04% 60.56%
SOV
SOVMT
FY25
FY24
FY2025 data was calculated
using the most current
Environmental Protection
Agency modeling formulas.
CO=carbon monoxide
VOC=volatile organic compounds
NOX=nitrogen oxides
PM10=particulate matter 10
micrometers and smaller
TOTAL AMU
CARPOOL
BUS
9.71%
1.37%
SCHOOL BUS
TELEWORK
WALK
BIKE
0.76%
VANPOOL
0.16%
LIGHT RAIL
COMPRESSED
WORK WEEK
ALTERNATIVE
FUEL VEHICLE
6.28%
4.73%
1.38%
0.23%
0.80%
14.29%
FY
2023
2024
2025
2022
8,516.96 604.71 483.58 8.65 9,613.90
8,576.65 595.11 433.59 8.65 9,614.00
6,143.97 425.83 280.46 6.86 6,857.11
5,358.30 376.75 286.33 6.63 6,028.01
6,565.08 437.14 276.13 7.29 7,285.63
2021
2020
CO
VOC
PM10
NOX
TOTAL
39.71%
8
354
PRE-SURVEY AND
PRE-AUDIT SITE VISITS
NOTICE OF
VIOLATIONS
ISSUED
PLAN REVIEW AND MONITORING
OUTREACH
TRP staff completed 8 visits to Maricopa County
employers for program compliance assistance.
1,694
TRAINING AND EDUCATION
SESSIONS CONDUCTED
8,829
PEOPLE REACHED
8,829 individuals were reached by TRP
staff participation in outreach events
and presentations.
383 employers were contacted to determine
compliance with Arizona Statutes and the
Maricopa County Ordinance.
383
EMPLOYERS CONTACTED
FOR PROGRAM COMPLIANCE
CUSTOMER SERVICE RATING
97%
64 out of 66 customer service form entries
rated their overall experience with the TRP
as ‘outstanding’.
FY24
PLANS RECEIVED
PLANS APPROVED
SITE AUDITS
PHONE AUDITS
DOCUMENTATION AUDITS
1,072
1,042
537
463
52
1,050
1,081
650
452
91
FY25
NEW EMPLOYERS
100 new employers with
50 or more employees at
one work site were
added to the program.
100
FY25 FY24
73
51
EMPLOYERS RECEIVED
DEVELOPMENT ASSISTANCE
Employers received TRP program
development assistance including
regulatory and compliance education and
general program development assistance.
PLANS AND AUDITS
COMPLIANCE