Accessible Stairs Quiz

Do you know how to design stairs that meet California’s stringent accessibility requirements. This quiz will test your knowledge on safety requirements for risers and treads on exterior stairs.

1. According to the state ADA requirements, what is the minimum tread depth for accessible stairs?


(Question 1 of 5)

2. What is the minimum riser height for an accessible set of stairs?


(Question 2 of 5)

3. For accessible stairs, what is the maximum riser height?


(Question 3 of 5)

4. Open risers are permitted and comply with California state ADA design guidelines.


(Question 4 of 5)

5. What is the maximum distance that a tread can extend past a riser?


(Question 5 of 5)




John is a landscape architect who is currently preparing to take the California Supplemental Exam to become licensed in California. He is currently a licensed professional landscape architect in Georgia and Florida. John graduated from California State University, Pomona with a BSLA degree in landscape architecture in 1997 and has extensive practice experience in residential and commercial landscape design.

Posted in ADA & Accessibility, Quiz Tagged with: , , , , , , , , ,

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