The existing interchange of US 30 and PA 340 provides both eastbound and westbound on-ramps and off-ramps.
EXISTING CONDITIONS
CONCEPTUAL DESIGN ALTERNATIVES
Under the Conceptual Design phase, two potential alternatives are being evaluated for the PA 340 Interchange:
PA 340 ALTERNATIVE 1, MAY 2017
- US 30 Mainline is 3 lanes in each direction
- Full Diamond Interchange at PA 340
- Similar to existing layout
- US 30 Westbound Ramps Intersection is signalized
- US 30 Eastbound Off-ramp is stop control at PA 340
PA 340 ALTERNATIVE 2, MAY 2017
- US 30 Mainline is 3 lanes in each direction
- Partial Cloverleaf Interchange on east side of PA 340
- US 30 Westbound Ramps Intersection is signalized
- US 30 Eastbound Ramps Intersection is signalized
ENVIRONMENTAL RESOURCES
Some of the significant environmental features of the section include, potential historic properties, a golf club, seven streams, eleven wetlands, and township open space. There are numerous older buildings found within the section from along PA 340 and to the west along US 30 that may have historic significance and will require evaluation. The Ingleside Golf Club is also located south of US 30 at the western limits of the section. Beaver Creek is the main watercourse in the section flowing under US 30 at the PA 340 interchange. The creek has wooded riparian buffer that includes a Caln Township open space tract abuting the south side of US 30 and east side of the stream. North of the US 30 crossing the stream is designated as supporting natural trout reproduction and is stocked. It is a cold water stream for its entire length in the section. There are five tributaries to the creek found in the study area, two of which are in the interchange area. The interchange area also hosts most of the wetlands found in the section with the remaining wetlands lie just to the east. The wetlands’ vegetation ranges from predominantly herbaceous cover to predominately tree cover.
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