Engineering Study

Griffin View Drive & Harbor Hills Blvd.

Prepared for

Lake County Public Works Engineering437 Ardice Avenue

Eustis, Florida 32726Purchase Order Number: 20101202

Submitted by:

BESH #100019.0000June 10, 2010

PURPOSE

The purpose of this study was to identify options and costs to calm traffic along Griffin View Drive, identify potential roadway improvements along Griffin View Drive at the intersection with Harbor Hills Boulevard and identify possible intersection modifications to improve safety and increase sight distances along Griffin View Drive.

EXISTING CONDITIONS• Posted Speed 35 MPH• Limited Right of Way• 8% and 10% Profile Grade

BACKGROUND DATA• 215 Trips Griffin View Drive – EAST• 1,000 Trips Griffin View Drive – WEST• 85% Speed – 46 MPH• 8% of trips 50 MPH• NO CRASHES reported 1/1/2000 through 3/1/2010

DESIGN ALTERNATIVES

1. Three-Way Stop Condition with Rumble Strips2. Curb Section with addition of dedicated East Bound Left

Turn Lane3. Re-alignment of Vertical Curve for 40 MPH design speed4. Re-alignment of Vertical Curve for 45 MPH design speed5. Re-alignment of the intersection horizontal geometry6. Addition of an Acceleration Lane for drivers exiting Harbor

Hills west bound on Griffin View Drive7. Addition of Speed Humps8. Intersection modification with Roundabout installation

EVALUATION

• ALTERNATE 1–Least Expensive–Easiest to Implement–No Right of Way Required–Wheel noise from rumble strips–Danger of cars running stop sign

EVALUATION

• ALTERNATE 3–Addresses Site Distance Issue–An Expensive Option–Requires Additional Right of Way–Grading Easement–Does not reduce speeds on Griffin

View Drive

EVALUATION

• ALTERNATE 5–Provides Traffic Calming–It is a Median Pricing Alternative–Requires Some Right of Way – Only

from Harbor Hills

QUESTIONS AND COMMENTS