Specifications include, but are not limited to: The Project consists of reconstruction of the interstate system-to-system ramps at the I-285/I-20 East Interchange and addition of a combination of collector-distributor (“CD”) lanes and auxiliary lanes along I-20 east of the I-285/I-20 East Interchange. Along I-20, the Project begins east of Columbia Drive approximately 0.6 miles west of the I-285 overpass of I-20 and ends approximately 0.6 mile east of the Fairington Road overpass of I-20, for a total length of approximately 6.6 miles. Along I-285, the Project begins at the Columbia Drive overpass of I-285 and ends at the Glenwood Road interchange with I-285, for a total length of approximately 2.8 miles. A map of the Project is shown in Exhibit 2 (Maps and Diagrams).