Estimating the Movement of Traffic
Video and Estimate
The video below is brief and there is no audio. Keep your eye on the car in the center and after a little while a car will appear on the right side of the screen. Watch this car and then answer the question on the right.
Select your response and then click the SUBMIT button. Following this, click the Continue button to move to the next phase in the activity. 
After you choose an option, click the SUBMIT button and then click the Continue button.