Texas Registered Accessibility Specialist (RAS) Practice Exam Questions and
Answers |Fall 2026/2027 Update | 100% Correct Latest (Graded A+)
QUESTION 1
Under the Texas Accessibility Standards (TAS), which document defines the scoping and
technical requirements for accessibility compliance?
A. International Building Code (IBC) 2018
B. Texas Accessibility Standards (TAS 2012)
C. ANSI A117.1 only
D. NFPA 101
CORRECT ANSWER: B. Texas Accessibility Standards (TAS 2012)
RATIONALE: TDLR adopts TAS 2012 as the official accessibility code for the state, mirroring the
2010 ADA Standards with state-specific supplements.
QUESTION 2
Who enforces compliance with the Texas Accessibility Standards for public facilities and
commercial buildings?
A. Local building officials only
B. Texas Department of Licensing and Regulation (TDLR)
C. The U.S. Department of Justice
D. City council
CORRECT ANSWER: B. Texas Department of Licensing and Regulation (TDLR)
RATIONALE: TDLR administers the Texas Elimination of Architectural Barriers Act and
licenses RAS professionals.
QUESTION 3
A Registered Accessibility Specialist (RAS) is authorized to perform which function?
A. Design new buildings
B. Conduct plan reviews and inspections for TAS compliance
C. Approve building permits at city level
D. Waive state agency restrictions
,CORRECT ANSWER: B. Conduct plan reviews and inspections for TAS compliance
RATIONALE: RAS licensees verify compliance on behalf of TDLR but do not serve as designers.
QUESTION 4
Projects that exceed what construction cost are subject to mandatory TAS review and
inspection?
A. $25,000
B. $50,000
C. $75,000
D. $100,000
CORRECT ANSWER: B. $50,000
RATIONALE: Per Administrative Rule 68.30,
projects ≥ $50,000 in construction cost require review and inspection.
QUESTION 5
Accessible route slope shall not exceed:
A. 1:8 (12.5%)
B. 1:12 (8.33%)
C. 1:16 (6.25%)
D. 1:20 (5%)
CORRECT ANSWER: B. 1:12 (8.33%)
RATIONALE: TAS 405 sets the maximum running slope for ramps at 1:12.
QUESTION 6
The minimum clear width of an accessible route is:
A. 32 inches
B. 36 inches
C. 40 inches
D. 42 inches
CORRECT ANSWER: B. 36 inches
RATIONALE: TAS 403.5.1 requires 36" minimum continuous clear width, except 32" at doorways.
,QUESTION 7
Turning radius for a wheelchair requires a clear space of:
A. 48 inches diameter
B. 54 inches diameter
C. 60 inches diameter
D. 66 inches diameter
CORRECT ANSWER: C. 60 inches diameter
RATIONALE: TAS 304.3.1 requires a 60"-diameter circle or a T-shaped space to allow 180° turn.
QUESTION 8
The top of a grab bar in an accessible stall shall be mounted at:
A. 28–30 inches
B. 33–36 inches
C. 38–40 inches
D. 42–44 inches
CORRECT ANSWER: B. 33–36 inches
RATIONALE: TAS 609.4 specifies this height range above the floor for horizontal grab bars.
QUESTION 9
Edge protection is required on ramps with drop-offs higher than:
A. 2 inches
B. 4 inches
C. 6 inches
D. 8 inches
CORRECT ANSWER: B. 4 inches
RATIONALE: TAS 405.9 requires edge protection when drop > 4".
QUESTION 10
Handrails on ramp runs shall extend horizontally beyond top and bottom landings by:
A. 6 inches
, B. 8 inches
C. 12 inches
D. 18 inches
CORRECT ANSWER: C. 12 inches
RATIONALE: TAS 505.10.1 requires 12" horizontal extensions for user stability.
QUESTION 11
A door in an accessible route must have a clear opening width of at least:
A. 28 inches
B. 30 inches
C. 32 inches
D. 34 inches
CORRECT ANSWER: C. 32 inches
RATIONALE: Measured between face of door and stop at 90° open, per TAS 404.2.3.
QUESTION 12
At which mounting height should tactile room identification signs be installed?
A. 36–48 inches to bottom of sign
B. 48–60 inches to baseline of lowest tactile character
C. 60–66 inches to top of sign
D. At eye level of door viewer
CORRECT ANSWER: B. 48–60 inches to baseline of lowest tactile character
RATIONALE: TAS 703.4.1 ensures uniform readability for standing and wheelchair users.
QUESTION 13
Raised characters on signs must have a height of:
A. ⅛ inch min.
B. 1/32 inch min.
C. 1/16 inch min.
D. 1/4 inch max.
Answers |Fall 2026/2027 Update | 100% Correct Latest (Graded A+)
QUESTION 1
Under the Texas Accessibility Standards (TAS), which document defines the scoping and
technical requirements for accessibility compliance?
A. International Building Code (IBC) 2018
B. Texas Accessibility Standards (TAS 2012)
C. ANSI A117.1 only
D. NFPA 101
CORRECT ANSWER: B. Texas Accessibility Standards (TAS 2012)
RATIONALE: TDLR adopts TAS 2012 as the official accessibility code for the state, mirroring the
2010 ADA Standards with state-specific supplements.
QUESTION 2
Who enforces compliance with the Texas Accessibility Standards for public facilities and
commercial buildings?
A. Local building officials only
B. Texas Department of Licensing and Regulation (TDLR)
C. The U.S. Department of Justice
D. City council
CORRECT ANSWER: B. Texas Department of Licensing and Regulation (TDLR)
RATIONALE: TDLR administers the Texas Elimination of Architectural Barriers Act and
licenses RAS professionals.
QUESTION 3
A Registered Accessibility Specialist (RAS) is authorized to perform which function?
A. Design new buildings
B. Conduct plan reviews and inspections for TAS compliance
C. Approve building permits at city level
D. Waive state agency restrictions
,CORRECT ANSWER: B. Conduct plan reviews and inspections for TAS compliance
RATIONALE: RAS licensees verify compliance on behalf of TDLR but do not serve as designers.
QUESTION 4
Projects that exceed what construction cost are subject to mandatory TAS review and
inspection?
A. $25,000
B. $50,000
C. $75,000
D. $100,000
CORRECT ANSWER: B. $50,000
RATIONALE: Per Administrative Rule 68.30,
projects ≥ $50,000 in construction cost require review and inspection.
QUESTION 5
Accessible route slope shall not exceed:
A. 1:8 (12.5%)
B. 1:12 (8.33%)
C. 1:16 (6.25%)
D. 1:20 (5%)
CORRECT ANSWER: B. 1:12 (8.33%)
RATIONALE: TAS 405 sets the maximum running slope for ramps at 1:12.
QUESTION 6
The minimum clear width of an accessible route is:
A. 32 inches
B. 36 inches
C. 40 inches
D. 42 inches
CORRECT ANSWER: B. 36 inches
RATIONALE: TAS 403.5.1 requires 36" minimum continuous clear width, except 32" at doorways.
,QUESTION 7
Turning radius for a wheelchair requires a clear space of:
A. 48 inches diameter
B. 54 inches diameter
C. 60 inches diameter
D. 66 inches diameter
CORRECT ANSWER: C. 60 inches diameter
RATIONALE: TAS 304.3.1 requires a 60"-diameter circle or a T-shaped space to allow 180° turn.
QUESTION 8
The top of a grab bar in an accessible stall shall be mounted at:
A. 28–30 inches
B. 33–36 inches
C. 38–40 inches
D. 42–44 inches
CORRECT ANSWER: B. 33–36 inches
RATIONALE: TAS 609.4 specifies this height range above the floor for horizontal grab bars.
QUESTION 9
Edge protection is required on ramps with drop-offs higher than:
A. 2 inches
B. 4 inches
C. 6 inches
D. 8 inches
CORRECT ANSWER: B. 4 inches
RATIONALE: TAS 405.9 requires edge protection when drop > 4".
QUESTION 10
Handrails on ramp runs shall extend horizontally beyond top and bottom landings by:
A. 6 inches
, B. 8 inches
C. 12 inches
D. 18 inches
CORRECT ANSWER: C. 12 inches
RATIONALE: TAS 505.10.1 requires 12" horizontal extensions for user stability.
QUESTION 11
A door in an accessible route must have a clear opening width of at least:
A. 28 inches
B. 30 inches
C. 32 inches
D. 34 inches
CORRECT ANSWER: C. 32 inches
RATIONALE: Measured between face of door and stop at 90° open, per TAS 404.2.3.
QUESTION 12
At which mounting height should tactile room identification signs be installed?
A. 36–48 inches to bottom of sign
B. 48–60 inches to baseline of lowest tactile character
C. 60–66 inches to top of sign
D. At eye level of door viewer
CORRECT ANSWER: B. 48–60 inches to baseline of lowest tactile character
RATIONALE: TAS 703.4.1 ensures uniform readability for standing and wheelchair users.
QUESTION 13
Raised characters on signs must have a height of:
A. ⅛ inch min.
B. 1/32 inch min.
C. 1/16 inch min.
D. 1/4 inch max.
