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Comprehensive Plan Amendment Hardwood Creek LLC page 5 turning movements at the 21St Ave. intersection to allow westbound Main St. traffic to flow freely from the exit ramp to a reconstructed, signalized intersection at 20th Ave. A new road from Main St. north to the Hardwood Creek development would provide access to the site. However, there are a number of considerations that will need to be addressed with site design: enough stacking distance and the level of service near the interchange, Anoka County's view of access in the area, including spacing of signalized intersections, access to properties within Centerville, and water and sanitary sewer trunk alignment to serve the project. The new road likely will align with the existing 21St Ave. and have restricted turning movements. Traffic from the freeway could enter the Hardwood Creek site from Main St., but to return to the freeway would require exiting the site via 20th Ave. then turning east onto Main St. In many ways, then, the primary access for the site would be 20th Ave., and the internal road design will have to reflect this. Several roadway issues must be resolved. These include the design of the I -35E interchange and the final design for the intersection at 21St Ave. and Main St. These questions will apply whether or not the comprehensive plan is amended and no matter how the site is developed. The point is that there are alternatives for creating accesses to the site, though they are limited somewhat by the larger transportation system needs. The details will have to be worked out as part of the PUD review. Any project approval will need address improvements. Anoka County will reconstruct Main St. and signalize the 20th Ave. intersection. However, the Hardwood Creek project will need to improve 20th Ave. north to 73rd St., where a new local collector that serves the development area will access 20th Ave. Improvements to 20th Ave. likely will consist of: • four lanes from Main St. to 73rd St. • turn lanes at the intersection. • traffic signal at the intersection. • striping and turn lanes at the northern access (approx. 75th St.) It is not clear yet when there will be adequate funding for a new I -35E interchange, including new ramps and bridge. It is expected that all new development in the area will contribute toward this major piece of infrastructure lest development be halted indefinitely due to inadequate public facilities. 3) General Location and Extent of Public and Common Open Space. The City's Parks, Natural Open Space /Greenways and Trail System Plan includes trail connections to be created on the site. The AUAR Conservation Design Framework also requires trails and greenways. The concept plan includes an extensive open space network. This would comprise stormwater management features, parkland, and trails combined into a large greenway system consistent with a number of public values: