US 322 Diverging Diamond Interchange
Submitted by the Harrisburg Section
|Project Location||Ephrata, Pennsylvania|
|Project Owner||Pennsylvania Department of Transportation|
|Project Designer||Whitman, Requardt & Associates|
|Contractor||J. D. Eckman, Inc.|
|Completion Date||June, 2022|
State Route 322 Section 036 Diverging Diamond Interchange is a safety improvement project.
The project’s primary goal is to improve safety with a secondary improvements of maintaining or
improving traffic operations. The project converted a traditional diamond interchange into a DDI
configuration to reduce the number of conflict points which increased safety. The location of
this innovated design is unique since the design team had to accommodate not only vehicles but
also pedestrians, bicyclist and the Amish Community horse and buggy traffic.
- Accommodate Amish horse-and-buggy traffic
- Weekend closure of US 322
- Close proximity of adjacent conventional signalized intersection