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Draft 09-09-2013 20 | Page Interstate Interchange The I-85/US 70 interchange is lo cated within the north/central part of the Study Area. Because interchanges invite development and traffic, it is essential to have requirements in place that address issues of compatibility and function. Access management plans and regulations help to preserve the safety and efficiency of interchange areas as development occurs. NCDOT has long range plans to redesign t he I-85/US 70 interchange and designed a concept plan for the redesign in 2009. T he conceptual design will impact access management concepts for the E no EDD area, particularly th e potential location of frontage roads and the spacing of access points from interchange ramps. The redesign of the interchange is currently included with a multi-phase pr oject for the widening of I- 85 from I-40 to the Durham County line. The projects have been entered in the State’s Transportation Improvement Program (TIP) for implementation in the future developmental program (post 2020); however, t he State’s new project Strategic Mobility Formula prioritization process may allow the project to be funded sooner. The Eno EDD – NCDOT Draft Interchange Concept Map follows on page 22. Rail Although rail traffic has decreased considerably in North Carolina, the NCRR/Norfolk Southern (NS) Railway, which is the southerly boundary of the Study Area, is still used for general rail transport and intrastate co mmuter service provided by Amtrak. Additionally, there is a rail spur line to Cha pel Hill in the western portion of the Study Area, east of University Station Road that is still used for deliveries to the UNC campus. There is also a rail spur that is in private use, east of Herman Church Road. The North Carolina Railroad’s (NCRR) Long Range Capital Plan identifies a corridor beginning east of Old NC Highway 10 stretchi ng until approximately University Station Road to be double tracked to increase freight capacities. This is currently an unfunded project. The Triangle Transit Authority (TTA) complet ed final plans for Phas e I of its regional commuter rail service in the Triangle and a ttempted to procure Federal funding to implement Phase I service that would link Raleigh, Cary and Durham. However, due to changes in federal cost-effect iveness guidelines, the project has been shelved for the near future. At this time, the future of Tr iangle commuter rail service is uncertain due to funding considerations. Historically, University Station was located near the spur rail line th at reaches to Chapel Hill. UNC students, faculty, and visitors would have used Un iversity Station in their travels to and from campus and other areas. If the Region pursues commuter rail in the future, the spur line to Chapel Hill would likely become an important connector within the rail network. Triangle Transit Authority has identified a recommended location for a future passenger rail stop within the Study Area (west of Greenbriar Drive). 92