Considering that outside of rush hour, the US 287 freeway in southeast Fort Worth tends to receive little traffic compared with other area freeways, the existing freeway could be converted into a parkway (see this image of Lake Shore Drive in Chicago for an example of what I mean) with landscaped parks and leisure trails--pedestrian and bike trails similar to (and connecting with) the Trinity Trails--flanking either side of the parkway. All existing frontage roads would be removed. However, new two-way frontage roads, inaccessible from the parkway mainlanes, could maintain access within the existing street grid currently broken by the freeway where such access is necessary (such as near the Erath Street overpass, south of East Maddox, and in the vicinity of Vaughn/East Berry). Additionally, access to East Vickery, Cobb Park Drive, and East Maddox from 287 would be removed.
Due to the lack of shoulders, the rebuilt corridor would maintain a speed limit of either 45 or 50 MPH, with either 6 or 8 total main lanes (3-4 per direction, excluding auxiliary lanes). The presence of parks flanking the corridor would also necessitate lower speed limits.
Here is a link to my idea. Naturally, if such a project were to be implemented, such a corridor could promote redevelopment and revitalization, but the effects of gentrification upon residents with lower socioeconomic status would need to be mitigated.