FY2024 TRP ANNUAL REPORT.PDF

Maricopa County — Formal (2024-10-23)

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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, 2023 – JUNE 30, 2024
ANNUAL REPORT
Air Quality Department
Maricopa.gov/AQTRP
2024
https://www.maricopa.gov/2388/Travel-Reduction-Program

TRAVEL 
REDUCTION 
PROGRAM
FY2024
PROGRAM PARTICIPATION
SURVEY TYPE DISTRIBUTED
SURVEY RESPONSE RATE
FY24 
FY23 54.89%
55.43%
AT A GLANCE
On July 11, 2023, the 
Travel Reduction 
Program (TRP) began 
offering idle free plan 
measures to all 
participants. These 
measures provide 
employers the 
opportunity to reduce 
pollution caused by 
vehicle idling at their 
work sites as part of 
their plan.
In May 2023, TRP received the 
Information Technology award 
from National Association of 
Counties recognizing TRP's 
Increased Survey Response 
Process. The new process 
goes beyond what is required 
to offer additional resources 
to employers, including loaner 
laptops, promotional material, 
enhanced encryption links, 
monitoring options, and 
one-on-one assistance.
On February 13, 
2024, TRP 
released the 
revised TRP 
Handbook. 
The updated 
handbook 
provides 
clarification on 
employer 
expectations and 
compliance 
requirements.
The TRP Regional 
Task Force voted 
and approved 
guidance on 
conducting Task 
Force public 
meetings. The 
guidance provides 
instructions related 
to prompts, agenda 
formatting, and 
meeting delays and 
expectations. 
FY
2023
2024
2022
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
1,174
2,250
648,492
155,267
2021
2020
EMPLOYERS
SITES THAT
COMPLETED
THE SURVEY
EMPLOYEES
STUDENTS
100%
E-SURVEYS
923,455
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
6,028
46,369 DAILY
TONS
ANNUALLY
6,158,689 1,539,672,147
MILES DAILY
MILES ANNUALLY
COMMUTING
MILES REDUCED
61.04% 60.56%
59.88% 59.85%
SOV
SOVMT
FY24 
FY23
* FY2024 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
9.57%
1.38%
SCHOOL BUS
TELEWORK
WALK
BIKE
0.82%
VANPOOL
0.12%
LIGHT RAIL
COMPRESSED
WORK WEEK
ALTERNATIVE
FUEL VEHICLE
5.16%
4.51%
1.44%
0.22%
0.74%
15.00%
FY
2023
2024
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
4,531.01 386.85 366.21 7.94 5,292.01
2021
2020
CO
VOC
PM10
NOX
TOTAL
38.96%

74
278
PRE-SURVEY AND 
PRE-AUDIT SITE VISITS
NOTICE OF
VIOLATIONS
ISSUED
PLAN REVIEW AND MONITORING
OUTREACH
TRP staff completed 74 visits to Maricopa County 
employers for program compliance assistance.
1,703
TRAINING AND EDUCATION
SESSIONS CONDUCTED
7,719
PEOPLE REACHED
7,719 individuals were reached by TRP 
staff participation in outreach events 
and presentations.
298 employers were contacted to determine 
compliance with Arizona Statutes and the 
Maricopa County Ordinance.
298
EMPLOYERS CONTACTED
FOR PROGRAM COMPLIANCE
CUSTOMER SERVICE RATING
100%
50 out of 50 customer service form entries 
rated their overall experience with the TRP as 
‘OUTSTANDING.’
FY23
PLANS RECEIVED
PLANS APPROVED
SITE AUDITS
PHONE AUDITS
DOCUMENTATION AUDITS
1,050
1,081
650
452
91
1,144
1,080
403
590
195
FY24
NEW EMPLOYERS
73 new employers with 
50 or more employees at 
one work site were 
added to the program.
73
FY24 FY23
18
118
EMPLOYERS RECEIVED
DEVELOPMENT ASSISTANCE
Employers received TRP program 
development assistance including 
regulatory and compliance education and 
general program development assistance.
PLANS AND AUDITS
COMPLIANCE