You are asked to design a horizontal curve with a central angle of 40° for a 2 lane road with 11 ft lanes. The design speed is 70 mph and the superelevation is 6%. Give the radius, degree of curvature, and length of curve that you would recommend.

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?