Elena's Roadway/Everything Trivia

What does PGL mean? (Roadway)

• Profile Grading Line

• Profile Grade Line

• Proposed Grade Line

• Profile Grade Lane

What do Erosion Control Logs typically protect? (SW3P)

• Ditches

• Boxes

• Guardrail

• Inlets

What slope criteria requires concrete riprap? (Roadway)

• 2:1

• 4:1

• 3:1

• 6:1

What method do you use for a Drainage Area < 200 acres? (H&H)

• Hydrologic Method

• Regression Equation

• NRCS Unit Hydrograph

• Rational Method

What is a K Factor? (Traffic)

• Converts existing year traffic to opening year traffic.

• Develops the traffic forecasts, signs and seals data provided to Districts.

• Traffic parameter most commonly used in capacity and LOS evaluations.

• Percentage of ADT representing 30th highest hourly volume in design year.

What sediment control practice is this image depicting? (SW3P)

• Best Management Practice

• Sediment Control Fence

• Rock Filter Dam

• Erosion Control Log

What sediment control practices is this image depicting? (SW3P)

• Erosion Control Log

• Rock Filter Dam

• Best Management Practice

• Sediment Control Fence

What is the MIN distance between stop bar and cross walk? (PM)

• 4 ft

• 3 ft

• 25 ft

• 6 ft

QTY sheets get signed and sealed?

• True

• False

How much does a prestressed concrete girder bridge cost per SF?

• $236/SF

• $55/SF

• Depends

• $115/SF