Complete the following exercises. 1. If two roadways intersect at an angle of 45 degrees, what is the most probably acceptable option assuming realignment is not possible? 2. For a freeway ramp terminus along a major urban arterial serving numerous "big box" (i.e., Walmart) establishments, what is the minimum turning radius permitted? 3. For the development of a 12' left turn lane at an intersection with an approach speed of 35 mph, what is the required approach taper? 4. What is more critical in terms of safety at an intersection, a left turn lane or a right turn lane? 5. What is the minimum right turn lane length at an intersection? 6. What is the maximum preferred approach grade to an intersection? 7. Should a left turn lane be provided along a 25 mph two-lane roadway if the left turns comprise 5% of the 450 approach volumes with an opposing volume of 450 vehicles? 8. For a 50 mph four-lane highway, should a right turn lane be provided if there are 60 right turning vehicles of 500 approaching vehicles