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100+ Free CSS-Transit Practice Questions

Pass your Certified Safety Specialist — Transit/Rail (CSS-Transit) exam on the first try — instant access, no signup required.

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Question 1
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A transit agency operating in a non-attainment air quality area must coordinate its PTASP safety performance targets with which planning entity?

A
B
C
D
to track
2026 Statistics

Key Facts: CSS-Transit Exam

143 hrs

Curriculum Length

FTA PTSCTP

80%

Passing Score

Module assessments

3 yrs

Completion Window

49 CFR Part 672

$0

Program Cost

FTA-sponsored

2 yrs

Recertification Cycle

49 CFR 672.11(d)

8

Content Domains

PTSCTP curriculum

The CSS-Transit program requires completion of a 143-hour PTSCTP curriculum covering SMS, PTASP, rail and bus safety, hazard analysis, federal regulations, and emergency management. Module assessments require 80% to pass. Recertification is biennial. The program is free for designated SSOA and RTA safety personnel under FTA sponsorship.

Sample CSS-Transit Practice Questions

Try these sample questions to test your CSS-Transit exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What are the four pillars of a Safety Management System (SMS) as defined by FTA?
A.Policy, Planning, Implementation, Review
B.Safety Management Policy, Safety Risk Management, Safety Assurance, Safety Promotion
C.Hazard Identification, Risk Assessment, Mitigation, Monitoring
D.Leadership, Communication, Training, Accountability
Explanation: FTA's SMS framework is built on four pillars: Safety Management Policy (establishing commitment and responsibilities), Safety Risk Management (identifying and mitigating risks), Safety Assurance (monitoring effectiveness), and Safety Promotion (building safety culture through training and communication). These pillars form the foundation of transit agency safety programs.
2Under 49 CFR Part 673, who must sign the Public Transportation Agency Safety Plan (PTASP)?
A.The agency's Chief Safety Officer
B.The State Safety Oversight Agency director
C.The Accountable Executive
D.The FTA Regional Administrator
Explanation: Under 49 CFR Part 673, the PTASP must be signed by the Accountable Executive, who is the single identifiable person with ultimate responsibility for carrying out the agency's safety management policy and SMS. The plan must also be approved by the Board of Directors or equivalent authority.
3What federal regulation establishes the Public Transportation Safety Certification Training Program (PTSCTP)?
A.49 CFR Part 670
B.49 CFR Part 672
C.49 CFR Part 673
D.49 CFR Part 674
Explanation: 49 CFR Part 672 establishes the PTSCTP, which sets uniform safety certification training curriculum and requirements for SSOA and RTA personnel. Part 670 covers the National Public Transportation Safety Program, Part 673 covers PTASP, and Part 674 covers State Safety Oversight.
4A transit agency identifies a potential hazard where a rail vehicle door can open while the train is in motion. Using a risk assessment matrix, what factors determine the risk level?
A.Cost and schedule impact
B.Severity and probability
C.Frequency and duration of exposure
D.Detectability and corrective action time
Explanation: In safety risk management, risk is determined by the combination of severity (the consequence of a hazardous condition) and probability (the likelihood of occurrence). The risk assessment matrix plots these two factors to produce a risk level that guides mitigation priorities. This is a fundamental concept in transit SMS.
5Under the PTSCTP regulation, within how many days of designation must new participants be enrolled in the program?
A.14 days
B.30 days
C.60 days
D.90 days
Explanation: Under 49 CFR Part 672, each SSOA and RTA must ensure that designated individuals are enrolled in the PTSCTP within 30 days of their designation. This requirement ensures timely obtainment of knowledge and skills necessary for safety oversight duties.
6Which Safety Management System pillar involves monitoring and evaluating the effectiveness of safety risk mitigations?
A.Safety Management Policy
B.Safety Risk Management
C.Safety Assurance
D.Safety Promotion
Explanation: Safety Assurance is the SMS pillar responsible for monitoring and evaluating the effectiveness of implemented risk control strategies. It supports the identification of new hazards and ensures that safety risk mitigations continue to function as intended over time.
7A light rail transit agency experiences a derailment. What is the first regulatory action the agency must take?
A.File a corrective action plan within 24 hours
B.Notify the FTA and SSOA per established notification thresholds
C.Suspend all rail operations pending investigation
D.Convene the Safety Committee within 48 hours
Explanation: When a reportable event such as a derailment occurs, the transit agency must first notify the appropriate authorities (FTA and SSOA) per established notification thresholds. FTA's reporting requirements specify timeframes and categories of events that trigger mandatory notification, typically within 2 hours for serious incidents.
8What does the acronym PTASP stand for in the context of federal transit safety regulations?
A.Public Transit Authority Safety Protocol
B.Public Transportation Agency Safety Plan
C.Public Transit Accident Safety Procedure
D.Public Transportation Assessment Safety Program
Explanation: PTASP stands for Public Transportation Agency Safety Plan, established under 49 CFR Part 673. It requires certain transit agencies to develop safety plans that include SMS processes, safety performance targets, and procedures for managing safety risks. The requirement was enacted under MAP-21 and expanded by the Bipartisan Infrastructure Law.
9Under 49 CFR Part 673, which transit agencies are required to develop a PTASP?
A.Only rail transit agencies with fixed guideway systems
B.Only transit agencies serving urbanized areas with populations over 200,000
C.Transit agencies that receive FTA funding under 49 USC Chapter 53
D.Only state departments of transportation with transit programs
Explanation: 49 CFR Part 673 requires transit agencies that receive federal financial assistance under 49 USC Chapter 53 to develop a PTASP. This includes both large and small urbanized area providers, though the Bipartisan Infrastructure Law added specific requirements for agencies serving areas under 200,000 population, such as developing plans in cooperation with frontline workers.
10A Preliminary Hazard Analysis (PHA) is typically conducted during which phase of a transit project?
A.Revenue operations phase
B.Final design phase
C.Conceptual or preliminary design phase
D.Post-commissioning phase
Explanation: A Preliminary Hazard Analysis (PHA) is conducted during the conceptual or preliminary design phase of a transit project. Its purpose is to identify potential hazards early in the project lifecycle when design changes are most cost-effective. The PHA produces an initial hazard log that is refined throughout subsequent project phases.

About the CSS-Transit Exam

The CSS-Transit certification validates competency in public transportation safety management. Governed by FTA under 49 CFR Part 672 (PTSCTP), the program covers 8 domains: Safety Management Systems (20%), Public Transportation Agency Safety Plan (18%), Rail Transit Safety Oversight (15%), Hazard Analysis and Risk Management (15%), Accident and Incident Investigation (10%), Federal Transit Regulations (10%), Emergency Management and Security (7%), and Bus Transit Safety (5%). Required for SSOA and RTA safety oversight personnel.

Questions

100 scored questions

Time Limit

Self-paced modules (143 hours curriculum)

Passing Score

80% on module assessments

Exam Fee

$0 (FTA-sponsored for designated personnel) (FTA / TSI (Federal Transit Administration / Transportation Safety Institute))

CSS-Transit Exam Content Outline

20%

Safety Management Systems (SMS)

SMS framework, four pillars (policy, risk management, assurance, promotion), safety culture development, FTA SMS implementation

18%

Public Transportation Agency Safety Plan (PTASP)

49 CFR Part 673, agency safety plans, safety performance targets, safety committees, Accountable Executive responsibilities, certification of compliance

15%

Rail Transit Safety Oversight

State Safety Oversight program, rail fixed guideway systems, track safety, signal systems, traction power, right-of-way protection, vehicle inspections

15%

Hazard Analysis and Risk Management

Hazard identification, Preliminary Hazard Analysis, FMEA, Fault Tree Analysis, risk assessment matrices, risk mitigation strategies

10%

Accident and Incident Investigation

NTD reporting, FTA notification thresholds, root cause analysis, corrective action plans (CAPs), SMART CAPs, lessons learned

10%

Federal Transit Regulations

49 USC 5329, 49 CFR Parts 670-674, drug/alcohol testing (Part 655), ADA accessibility, FRA Part 270 for commuter rail

7%

Emergency Management and Security

Emergency response plans, evacuation procedures, ICS/NIMS coordination, active threat response, pandemic/infectious disease protocols

5%

Bus Transit Safety and Operations

Bus operator safety, pedestrian safety, BRT guideway certification, fleet maintenance, transit worker assault prevention

How to Pass the CSS-Transit Exam

What You Need to Know

  • Passing score: 80% on module assessments
  • Exam length: 100 questions
  • Time limit: Self-paced modules (143 hours curriculum)
  • Exam fee: $0 (FTA-sponsored for designated personnel)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

CSS-Transit Study Tips from Top Performers

1Master the four pillars of SMS: Safety Management Policy, Safety Risk Management, Safety Assurance, and Safety Promotion
2Study 49 CFR Part 673 (PTASP) requirements thoroughly — it appears across multiple domains
3Know FTA notification thresholds for reportable incidents and how to write SMART corrective action plans
4Understand the State Safety Oversight (SSO) program structure and SSOA responsibilities
5Review hazard analysis techniques: Preliminary Hazard Analysis, FMEA, Fault Tree Analysis, and risk matrices
6Study federal transit drug and alcohol testing requirements under 49 CFR Part 655
7Practice with scenario-based questions covering real-world transit safety incidents

Frequently Asked Questions

What is the CSS-Transit certification?

The Certified Safety Specialist — Transit/Rail (CSS-Transit) validates expertise in public transportation safety management. It is based on FTA's PTSCTP (Public Transportation Safety Certification Training Program) under 49 CFR Part 672, which establishes minimum training requirements for safety oversight personnel in rail and bus transit systems.

Who is required to complete the PTSCTP?

Two groups are required: (1) State Safety Oversight Agency (SSOA) personnel and contractors who conduct safety audits and examinations of rail fixed guideway systems, and (2) Rail Transit Agency (RTA) personnel and contractors directly responsible for safety oversight. Bus transit personnel are encouraged but not required to participate.

How long does the PTSCTP curriculum take?

The full curriculum is 143 hours (approximately 18 training days) of self-paced online modules via the TSI Learning Management System. Designated personnel must complete the curriculum within 3 years of their initial enrollment.

What are the recertification requirements?

Recertification is required every 2 years after completing the initial PTSCTP curriculum. It consists of two elements: (1) FTA-specified recertification training (typically a 1-hour eLearning module), and (2) agency-defined recertification training including at least 1 hour of safety oversight training.

What is a PTASP and why is it important?

A Public Transportation Agency Safety Plan (PTASP) is required under 49 CFR Part 673 for transit agencies receiving FTA funding. It documents the agency's SMS processes, safety performance targets, and hazard management procedures. The plan must be signed by the Accountable Executive and approved by the Board of Directors.

What are the four pillars of Safety Management Systems?

The four SMS pillars are: (1) Safety Management Policy — establishes management commitment and responsibilities, (2) Safety Risk Management — identifies and mitigates safety risks, (3) Safety Assurance — monitors effectiveness of risk mitigations, and (4) Safety Promotion — builds safety culture through training and communication.