TRAFFIC AND PARKING STUDIES 1 PARROTT DRIVE SHELTON, CT JUNE 4, 2020
TRAFFIC STUDY • Review existing conditions • Estimate future conditions • Determine traffic impact • Recommendations
SITE LOCATION AND STUDY INTERSECTIONS
FUTURE SITE CONDITIONS TRIP GENERATION NUMBER OF VEHICLE TRIPS WEEKDAY MORNING WEEKDAY AFTERNOON LAND USE PEAK HOUR PEAK HOUR IN OUT TOTAL IN OUT TOTAL Multi-family Housing (Mid-Rise) 206 Units 20 55 75 55 35 90 Trip Generation , 10 th Edition. Institute of Transportation Engineers, 2017 (ITE #221) SIGHT DISTANCES REQUIRED SITE DRIVEWAY DIRECTION REQUIRED SIGHTLINE MET? 280 feet 1 Looking Left ✓ Existing north driveway 280 feet 1 Looking Right ✓ 280 feet 1 Looking Left ✓ Proposed center driveway 280 feet 1 Looking Right ✓ 280 feet 1 Looking Left ✓ South driveway 225 feet 2 Looking Right ✓ 1 based on posted speed limit of 25 mph 2 based on travel speed of 20 mph
FUTURE TRAFFIC • Background (without site traffic) • Annual growth rate: 1% • Future year: 2021 • Other developments • Fountain Square • Hawks Ridge • CVS Pharmacy • 710 Bridgeport Avenue • Combined (with site traffic) • 206 units multi-family housing
LOS TABLE WEEKDAY MORNING WEEKDAY AFTERNOON PEAK HOUR PEAK HOUR INTERSECTION BACKGROUND COMBINED BACKGROUND COMBINED OVERALL SIGNALIZED LOS Bridgeport Avenue at Commerce D D D D Drive/Old Stratford Road Bridgeport Avenue at PerkinElmer/Split A A C C Rock Plaza/CVS Bridgeport Avenue at Parrott C C C C Drive/Fairchild Drive RECOMMENDATIONS • Signal timing revisions at Bridgeport Avenue at Commerce Drive/ Old Stratford Road since 710 Bridgeport Ave was not approved • Refine signal timing of Bridgeport Avenue at Parrott Drive/ Fairchild Drive
PARKING STUDY • Reviewed zoning regulations • Reviewed industry data • Reviewed data in our files • Conducted shared parking analysis
RECOMMENDED PARKING RATIOS FOR PDD RESIDENTIAL UNIT TYPE RECOMMENDED PARKING RATE One-bedroom units 1.5 spaces per one-bedroom unit Two-bedroom units 2.0 spaces per two-bedroom unit
ITE HOURLY VARIATION WITH RECOMMENDED PARKING RATIOS 450 Parking Supply = 411 spaces Number of Utilized Parking Spaces 400 345 350 300 271 250 244 244 250 200 150 100 50 0 7:00 AM 10:00 AM 4:00 PM 7:00 PM 12:00 AM Time of Day Light industrial Residential Parking Supply
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