This U.S. Symbol Sign Test app has 9 categories.
Regulatory Signs Test
Warning Signs Test
Guide Signs Test
Service Signs Test
Construction Signs Test
Recreation Signs Test
School Zone Sings Test
Pedestrian and Bicycle Signs Test
Railroad and Light Rail Transit Test
When the user click a category button , shows a picture , four choices radio button , submit button and number of answers and questions.
The user checks the his/her correct answer and clicks the submit button go to the next question.
The user finish that category questions the app show the test result.