FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Finch Mary E   2. Issuer Name and Ticker or Trading Symbol AECOM [ACM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) EVP, CHRO (Last) (First) (Middle) C/O AECOM, 1999 AVENUE OF THE STARS, SUITE 2600 3. Date of Earliest Transaction (Month/Day/Year) 12/15/2018 (Street) LOS ANGELES, CA 90064 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/15/2018   M   9,359 A $ 27.91 (1) 13,355 D   Common Stock 12/15/2018   F   4,834 D $ 27.91 (1) 8,521 D   Common Stock 12/15/2018   A(2)   8,484 A (3) 17,005 D   Common Stock               215.8845 I by Merrill Lynch under AECOM Retirement & Savings Plan (RSP)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Restricted Stock Unit

(1)

12/15/2018

M

9,359

12/15/2018

(1)

Common Stock

9,359

(1)

0

D

Restricted Stock Unit

(4)

12/15/2018

A

10,910

(5)

(5)

Common Stock

10,910

$ 0

10,910

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Finch Mary E C/O AECOM 1999 AVENUE OF THE STARS, SUITE 2600 LOS ANGELES, CA 90064			EVP, CHRO

Signatures

/s/ Charles Szurgot, Attorney-in-Fact for Mary E Finch		12/18/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Each restricted stock unit represents a contingent right to receive one share of AECOM common stock. On December 15, 2018, 9,359 of the reporting person's stock units vested and were settled for an equal number of shares of AECOM common stock less any applicable tax withholding.
(2)	Shares acquired pursuant to AECOM's Performance Earnings Program under 2006 Stock Incentive Plan.
(3)	Pursuant to the terms of AECOM's Performance Earnings Program, the calculation to determine the number of shares awarded under the Program was performed using a per share value equal to the closing price on December 15, 2018.
(4)	Each restricted stock unit represents a contingent right to one share of AECOM common stock.
(5)	The restricted stock units vest in December 2021.

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