Specifications include, but are not limited to: This project consists of improving and reconfiguring the I-83 Exit 4 Interchange into a diverging diamond interchange (DDI). The project replaces the I-83 bridges over SR 851 with two span and wider bridges allowing SR 851 to be widened to four lanes and be realigned into the DDI configuration. The project will also lengthen and reconfigure the ramps, replace the culvert carrying Deer Creek beneath the interchange, and modify or add traffic signals, drainage, signage, sidewalks, storm water management, highway lighting, landscaping, aesthetics, and other miscellaneous construction, all as indicated on the approved drawings included in the Bid Package for STATE ROUTE 0083, SECTION 074, in YORK COUNTY, SHREWSBURY BOROUGH and SHREWSBURY & HOPEWELL TOWNSHIPS, from Segment 0030/0031 Offset 0190/0192 to Segment 0040/0041 Offset 0270/0289, for an overall project length of 5,160.00 linear feet (0.977 mile). Also included is STATE ROUTE 0851, SECTION 020, from Segment 0230 Offset 1880 to Segment 0250 Offset 1489, a length of 3,078.00 linear feet (0.583 mile).