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Course Description

The Mixture Aggregate Technician Course is a 3-day course.

The handling and testing of aggregates is covered. In addition, persons completing this course will be able to do the sampling and testing for an aggregate producer participating in the Aggregate Gradation Control System (AGCS), provided the producer has an aggregate technician administering the program.


This course, or CET-021, Aggregate Technician, is a prerequisite for Hot-Mix Asphalt Level I (CET-029) and is also required for PCC Level II (CET-024) certification.


Students who possess a current Mixture Aggregate Technician certification and wish to get their 5-Day Aggregate Technician certificate need to register for CET-027, Mixture Aggregate Technician Upgrade Course.


According to new IDOT regulations, this course certificate will not require re-certification.

Notes

Students must attend the course in its entirety in order to sit for the exams. To miss, any portion of the class, the student will be considered as a "No Show" and will forfeit all exams.

Course Fees:

$715

This fee includes all exam fees and course manual.

Course Manual:

Note: One copy of the course manual is included in the course fee and is distributed on the first day of class. However, if a student wishes to prepare ahead of time, the IDOT course manual may be downloaded from our website at no cost, or an additional hard copy may be purchased. See below for details.
IDOT Course Manual: CET-020 Mixture Aggregate Course Manual
  • Digital copy: Free

Course Manual is available for download at https://learn.lakelandcollege.edu/IDOT/course-manuals.

  • Hard copy: $70 plus tax (non-refundable)

Course manual can be purchased through the student's portal at https://learn.lakelandcollege.edu/portal/logon

  • Once logged in, click the "Special Requests" link on the left
  • Processing time: Manual will be mailed within 3-5 Business Days
  • Manual will be sent via UPS Ground

Your "Preferred" Section full?

Click here for instructions to get notified when the course or a section becomes available.

Need to Retest?

A student will have one chance to retest on any failed IDOT exam at no charge. This retest must be completed by August 31st. To schedule a retest, please contact Kathy Willenborg @ (217) 234-5285.

Prerequisites

None

Accrediting Associations

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Select a section for more information!
Section Title
Mixture Aggregate Technician Course
Type
Lecture & Lab
Days
T, W, Th
Time
8:00AM to 5:00PM
Dates
Nov 18, 2025 to Nov 20, 2025
Schedule and Location
Contact Hours
24.0
Delivery Options
Thornton, IL  
Course Fee(s)
Course Fee credit (1 units) $715.00
Available for Credit
1 units
Drop Request Deadline
Oct 21, 2025
Transfer Request Deadline
Oct 21, 2025
Instructors
Section Notes
This section will be held at Chicago Testing Laboratory, 18000 S. Williams Street, Thornton, IL 60476. For a printable map, go to https://learn.lakelandcollege.edu. Go to your course and click on your section. Then click on the hyperlink location to pull up the map.
Section Title
Mixture Aggregate Technician Course
Type
Lecture & Lab
Days
W, Th, F
Time
8:00AM to 5:00PM
Dates
Jan 21, 2026 to Jan 23, 2026
Schedule and Location
Contact Hours
24.0
Delivery Options
Thornton, IL  
Course Fee(s)
Course Fee credit (1 units) $715.00
Available for Credit
1 units
Drop Request Deadline
Dec 24, 2025
Transfer Request Deadline
Dec 24, 2025
Instructors
Section Notes
This section will be held at Chicago Testing Laboratory, 18000 S. Williams Street, Thornton, IL 60476. For a printable map, go to https://learn.lakelandcollege.edu. Go to your course and click on your section. Then click on the hyperlink location to pull up the map.
Section Title
Mixture Aggregate Technician Course
Type
Lecture & Lab
Days
W, Th, F
Time
8:00AM to 5:00PM
Dates
Feb 18, 2026 to Feb 20, 2026
Schedule and Location
Contact Hours
24.0
Delivery Options
Mattoon, IL  
Course Fee(s)
Course Fee credit (1 units) $715.00
Available for Credit
1 units
Drop Request Deadline
Jan 21, 2026
Transfer Request Deadline
Jan 21, 2026
Instructors
Section Notes

This section will be held at Lake Land College, West Building, Room 115, 5001 Lake Land Blvd., Mattoon, IL 61938. For a printable map, go to https://learn.lakelandcollege.edu. Go to your course and click on your section. Then click on the hyperlink location to pull up the map.

Section Title
Mixture Aggregate Technician Course
Type
Lecture & Lab
Days
W, Th, F
Time
8:00AM to 5:00PM
Dates
Mar 18, 2026 to Mar 20, 2026
Schedule and Location
Contact Hours
24.0
Delivery Options
Mattoon, IL  
Course Fee(s)
Course Fee credit (1 units) $715.00
Available for Credit
1 units
Drop Request Deadline
Feb 18, 2026
Transfer Request Deadline
Feb 18, 2026
Instructors
Section Notes

This section will be held at Lake Land College, West Building, Room 115, 5001 Lake Land Blvd., Mattoon, IL 61938. For a printable map, go to https://learn.lakelandcollege.edu. Go to your course and click on your section. Then click on the hyperlink location to pull up the map.

Section Title
Mixture Aggregate Technician Course
Type
Lecture & Lab
Days
T, W, Th
Time
8:00AM to 5:00PM
Dates
Mar 31, 2026 to Apr 02, 2026
Schedule and Location
Contact Hours
24.0
Delivery Options
Thornton, IL  
Course Fee(s)
Course Fee credit (1 units) $715.00
Available for Credit
1 units
Drop Request Deadline
Mar 03, 2026
Transfer Request Deadline
Mar 03, 2026
Instructors
Section Notes
This section will be held at Chicago Testing Laboratory, 18000 S. Williams Street, Thornton, IL 60476. For a printable map, go to https://learn.lakelandcollege.edu. Go to your course and click on your section. Then click on the hyperlink location to pull up the map.
Section Title
Mixture Aggregate Technician Course
Type
Lecture & Lab
Days
M, T, W
Time
8:00AM to 5:00PM
Dates
Apr 20, 2026 to Apr 22, 2026
Schedule and Location
Contact Hours
24.0
Delivery Options
Mattoon, IL  
Course Fee(s)
Course Fee credit (1 units) $715.00
Available for Credit
1 units
Drop Request Deadline
Mar 23, 2026
Transfer Request Deadline
Mar 23, 2026
Instructors
Section Notes

This section will be held at Lake Land College, West Building, Room 115, 5001 Lake Land Blvd., Mattoon, IL 61938. For a printable map, go to https://learn.lakelandcollege.edu. Go to your course and click on your section. Then click on the hyperlink location to pull up the map.

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