Exam Bulletin

Department of Transportation

Exam Code: EX-4085

Examination Plans Included:

  • SUPERVISOR, TUNNELS AND TUBES - Promotional

Final Filing Date: Applications are accepted on a continuous basis.

Classification Details

SUPERVISOR, TUNNELS AND TUBES: $6,549.00 - $7,611.00 per Month

View the SUPERVISOR, TUNNELS AND TUBES classification specification.

Application Instructions

Results may take between 4-6 weeks to process after each cut-off date indicated below. 

Upcoming Filing Cutoff Dates:

  • 8/31/2025
  • 11/30/2025

Examination/Employment Application (STD 678) must be received or postmarked by the filing date indicated above. Applications postmarked, personally delivered or received via interoffice mail after the filing date will be processed in the next group.

Who Should Apply:

The information below will help you determine which classification(s) is(are) appropriate for you. Applicants must meet the Minimum Qualifications as stated on this bulletin to compete in this examination.

Promotional Examination(s):

  • SUPERVISOR, TUNNELS AND TUBES - Promotional

In addition to meeting the Minimum Qualifications, competition is limited to individuals who meet at least one of the following filing criteria:

  • 1. Have a permanent civil service appointment with a promotional testing department (see Testing Departments), or
  • 2. Are current or former employees of the legislature for 2 or more years as defined in Government Code 18990, or
  • 3. Are current or former non-elected exempt employees of the executive branch for 2 or more consecutive years as defined in Govt. Code 18992, or
  • 4. Are persons retired from the United States military honorably discharged from active duty with a service disability or honorably discharged from active duty as defined in Government Code 18991. Applicants must provide a copy of discharge papers (DD 214) for verification purposes at the time of application.

Under certain circumstances other employees may be allowed to compete under provisions of Rules 234, 235 and 235.2. California Code of Regulations Rules 233, 234, 235.2 and 237 contain provisions regarding civil service status and eligibility for promotional examinations.

For all Classifications, once you have participated in any of the following examinations, you may not recompete for 12 months:

Exam Code(s):

    4085

For SUPERVISOR, TUNNELS AND TUBES, once you have participated in any of the following examinations, you may not recompete for 12 months:

Exam Code(s):

  • EX-04085

How To Apply:

Submit an Examination/Employment Application (STD 678) to apply for this examination.

Electronic applications can be submitted through your account at www.CalCareers.ca.gov.

You may apply by mail to:

  • Caltrans Examination Services (MS 86)
    Caltrans
    Examination Services
    P.O. Box 168036
    Sacramento, CA 95816-8036

Indicate the Examination Code and Classification(s) on your Examination/Employment Application (STD 678).

You may drop off your application and any applicable or required documents at:

  • Caltrans
    Examination Services
    1727 30th Street
    Sacramento, CA 95816
    8:00 AM - 5:00 PM
    **Candidates are responsible for obtaining proof of mailing or submission of their exam.

Indicate the Examination Code and Classification(s) on your Examination/Employment Application (STD 678). All applicants must provide proof of identification. Accepted forms of identification are: 1) a photo identification card or 2) two forms of signed identification.

Special Testing Arrangements:

If you require assistance or alternative testing arrangements due to a disability, indicate on your application that you need reasonable accommodation. You will be contacted by a representative of the testing department to make the necessary arrangements. If you have not been contacted by the time you receive notification of testing, please contact the testing department listed in the Contact section of this bulletin.

If you are unable to submit your application or complete the test due to a disability, please contact the testing department listed in the Contact section of this bulletin.

Minimum Qualifications

All applicants must meet the education and/or experience requirements as stated on this exam bulletin to be accepted to the examination.

Unless otherwise stated in the Minimum Qualifications, qualifying experience may be combined on a proportionate basis if the requirements stated below include more than one pattern and are distinguished as "Either" 1, "or" 2, "or" 3, etc. For example, applicants possessing qualifying experience amounting to 50% of the required time of Pattern 1 and additional experience amounting to 50% of the required time of Pattern 2 may be accepted to an examination as meeting 100% of the overall experience requirement.

00106706 - SUPERVISOR, TUNNELS AND TUBES

Possession of a valid Class C driver license. Applicants who do not possess this license will be admitted to the examination, but must secure the license prior to appointment.

Either I

 

Two years of experience as an Operator, Tunnels and Tubes, or an operator of mechanical ventilation systems and related mechanical, electrical and electronic equipment in vehicular tunnels or tubes.

Or II

 

Experience: Four years of experience, in the operation and repair of electrical, mechanical, and electronic equipment associated with building or industrial heating and ventilating, or air conditioning systems, at least one year of this experience shall have included some responsibility for supervision of a small crew.

Drug Testing Requirement:

Applicants for positions in these classes are required to pass a drug screening test. Testing of current employees who are applicants in an examination or who are transferring is permitted only if the person does not have a current appointment to a class for which drug testing is a requirement.

Position Description

00106706 - SUPERVISOR, TUNNELS AND TUBES

Positions in this series may perform or supervise the maintenance and repair of all types of electrical, mechanical, and electronically controlled devices on tunnel and tube facilities including but not limited to motors, ventilation fans, water pumping equipment and lighting; keep logs of equipment operation; maintain records of maintenance work performed; occasionally operate automotive equipment; may be asked to operate commercial motor vehicles; and perform other related work.

This is the full supervisory level. Incumbents supervise the operation of a tunnel and tube facility for vehicular traffic; direct and assist in the maintenance and repair of tunnel and tube equipment; keep records of time and other costs; make reports of work performed, materials, labor and equipment used; enforce safety regulations; and do other related work.

Special Personal Characteristics:

Willingness to work rotating or irregular shifts including weekends.

Special Physical Characteristic:

Must be able to wear a self contained breathing apparatus (SCBA).

Additional Desirable Qualification:

Possession of a valid and unrestricted Class B or Class A driver license.

For information regarding position location(s), please refer to the Eligible List Information section.

Examination Information

This examination consists of the following component(s):

Component OrderComponent TypeComponent DuePercentage of Final Score
1Education/ExperienceN/A100%

A final score of 70% must be attained to be placed on the eligible list.

In addition to evaluating the applicant's relative knowledge, skill and ability as demonstrated by quality and breadth of education/experience, emphasis in each test component will be on measuring competitively, relative to job demands, each applicant's:

Knowledge of: Common methods, practices, and materials used in the installation, operation, maintenance and repair of vehicular traffic tunnel or tube equipment and facilities; safety practices required in vehicular tunnel and tube operations; methods, tools, and equipment used in the installation, operation, maintenance, and repair of tunnel and tube equipment and machinery; applicable provisions of the California Vehicular Code controlling operation of vehicular tunnels and tubes; principles of effective supervision, safety and health; the Department's Affirmative Action/Equal Opportunity Program objectives; a supervisor's role in the Affirmative Action/Equal Opportunity Program and the processes available to meet the program objectives. 

 

Ability to: Do all of the above, and read, interpret, and work from plans, drawings, and specifications; keep simple records and make reports; lay out and direct work for unskilled assistants; analyze situations accurately and take effective action.

 

 

Ability to: Do a variety of semiskilled electrical, mechanical and electronic maintenance and repair tasks; follow directions; communicate at a level required to perform the essential functions of the job; receive and relay information by radio or telephone; prepare simple reports of work done; operate commercial motor vehicles; read, interpret, and work from plans, drawings, and specifications; keep simple records and make reports; lay out and direct work for unskilled assistants; analyze situations accurately and take effective action; read, interpret, and work from plans, drawings, and specifications; keep simple records and make reports; lay out and direct work for unskilled assistants; analyze situations accurately and take effective action. 

Eligible List Information

A Departmental Promotional eligible list for the SUPERVISOR, TUNNELS AND TUBES Classification will be established for:

  • Department of Transportation

The names of successful competitors will be merged onto the eligible list(s) in order of final score regardless of test date. Eligibility expires 48 months after it is established. Applicants must then retake the examination to reestablish eligibility.

Resulting Eligibility List(s) will be used to fill vacancies throughout the State of California.

Veterans' Preference is not granted for promotional examinations.

Career Credits are not granted for examination(s) administered on an Open basis or a Promotional basis.

Testing Departments

  • Department of Transportation

Contact Information

Questions regarding this examination should be directed to:

Department of Transportation
California Department of Transportation
Examination & Recruitment Services MS-86
P O Box 168036
Sacramento, CA 95816-8036
Phone: (916) 227-7858
askexams@dot.ca.gov

California Relay Service: 1-800-735-2929 (TTY), 1-800-735-2922 (Voice). TTY is a Telecommunications Device for the Deaf, and is reachable only from phones equipped with a TTY Device.

Equal Opportunity Employer

The State of California is an equal opportunity employer to all, regardless of age, ancestry, color, disability (mental and physical), exercising the right to family care and medical leave, gender, gender expression, gender identity, genetic information, marital status, medical condition, military or veteran status, national origin, political affiliation, race, religious creed, sex (includes pregnancy, childbirth, breastfeeding and related medical conditions), and sexual orientation.

Drug Free Statement

It is an objective of the State of California to achieve a drug-free State work place. Any applicant for State employment will be expected to behave in accordance with this objective, because the use of illegal drugs is inconsistent with the law of the State, the rules governing civil service, and the special trust placed in public servants.

General Information

Examination and/or Employment Application (STD 678) forms are available at the California Department of Human Resources, local offices of the Employment Development Department, and through your CalCareer Account (www.CalCareers.ca.gov).

If you meet the requirements stated on this examination bulletin, you may take this examination, which is competitive. Possession of the entrance requirements does not assure a place on the eligible list. Your performance in the examination described in this bulletin will be rated against a predetermined job-related rating, and all applicants who pass will be ranked according to their scores.

Department of Transportation reserves the right to revise the examination plan to better meet the needs of the service, if the circumstances under which this examination was planned change. Such revision will be in accordance with civil service laws and rules and all applicants will be notified.

General Qualifications: Applicants must possess essential personal qualifications including integrity, initiative, dependability, good judgment, the ability to work cooperatively with others, and a state of health consistent with the ability to perform the assigned duties of the class. A medical examination may be required. In open examinations, investigation may be made of employment records and personal history and fingerprinting may be required.

Eligible Lists: Eligible lists established by competitive examination, regardless of date, must be used in the following order: 1) sub-divisional promotional, 2) departmental promotional, 3) multi-departmental promotional, 4) service-wide promotional, 5) departmental open, 6) open. When there are two lists of the same kind, the older must be used first. Eligible lists will expire in one to four years unless otherwise stated on the bulletin.

High School Equivalence: Equivalence to completion of the 12th grade may be demonstrated in any one of the following ways: 1) passing the General Education Development (GED) Test; 2) completion of 12 semester units of college-level work; 3) certification from the State Department of Education, a local school board, or high school authorities that the competitor is considered to have education equivalent to graduation from high school; or 4) for clerical and accounting classes, substitution of business college work in place of high school on a year-for-year basis.

Accepted applicants must provide proof of identification at each in-person test session. Acceptable identification consists of a photo identification card or two forms of signed identification.

Application Methods:
Electronic (Your CalCareer Account)
By Mail
In Person (see bulletin for details)
Alternate Application Process

While we recommend that you utilize your CalCareer Account to take advantage of all the tools available, you may choose to apply for this examination without using your account. In this case, print and complete the Exam Application Package Checklist and include it if you submit a hard copy application.

Exam Application Package Checklist

Blank Application Form (STD678)

Accommodation Request (STD679)