SUMMARY OF ENVIRONMENTAL IMPACTS
TRAFFIC NOISE AND VIBRATION
The Build Alternative will construct three new soundwalls at the following locations:
Eastbound I-215 from just west of Gibson Road to the system interchange. This soundwall will be approximately 11.5 feet high for 1,492 feet and 13.5 feet high for 2,057 feet, for a total distance of 4,549 feet (0.86 miles).
Southbound I-11 from UPRR crossing to Horizon Drive off-ramp. This soundwall will be approximately 6,240 feet (1.18 miles) in length and 11.5 feet in height.
Northbound I-11 from Horizon Drive on-ramp to UPRR crossing. This soundwall will be approximately 6,324 feet (1.19 miles) in length and 15.5 feet in height.
Seven existing soundwalls will remain:
Westbound I-215 from Gibson Road to Stephanie Street, Stephanie Street to Arroyo Grande Blvd, and Arroyo Grande Blvd to Valle Verde Drive
Northbound I-11 Eastbound I-215 from Valle Verde Drive to Arroyo Grande Blvd and Stephanie Street to Gibson Road at Horizon Drive off-ramp
Northbound I-515 at Galleria Drive off-ramp
Click on the left or right arrows on the image below to see the soundwall locations.