EVITP User Experience and Accessibility 3

Question 1

What information must be displayed on signage at an EV-designated accessible parking space to comply with both ADA and local EV ordinances?

Accepted Answer

The international symbol of accessibility, EV-only restriction, and towing notice

Answer

Compliant signage must show the ISA for accessibility, restrict the space to EVs, and include tow-away information to deter non-EV and non-accessible parking.

Question 2

At what minimum height should EV charging station signs be mounted to prevent obstruction by parked vehicles while remaining readable from a vehicle?

Accepted Answer

7 feet above the finished floor

Answer

Signs mounted at 7 feet AFF are visible above the rooflines of most parked vehicles while still readable from a seated driver's position.

Question 3

Which contrast ratio is recommended between text and background on EV charging station instruction labels to ensure readability for users with low vision?

Accepted Answer

4.5:1 minimum

Answer

WCAG 2.1 Level AA requires a 4.5:1 contrast ratio for normal-sized text, which also applies to physical signage best practices for low-vision users.

Question 4

A charging station displays only a QR code for starting a session. Why does this present a user experience accessibility barrier?

Accepted Answer

Users without smartphones or with visual impairments cannot initiate charging

Answer

Sole reliance on QR codes excludes users who lack smartphones, have visual impairments, or have motor difficulties that prevent camera use.

Question 5

What does ISO 15118's Plug & Charge (PnC) feature primarily improve from a user experience standpoint?

Accepted Answer

It eliminates the need for cards or apps by authenticating via the cable connection

Answer

Plug & Charge (ISO 15118) allows the vehicle to automatically authenticate and authorize payment when connected, removing manual steps for users.

(EVITP) Electric Vehicle Infrastructure Program Practice Test

(EVITP) Electric Vehicle Infrastructure Program Practice Test

EVITP User Experience and Accessibility 3