This roadway improvement project connects into the five-lane Mars RR Project. It addresses numerous driveway access points from the Mars RR Project east through the schools area; improves the Three Degree Road intersection; and connects to the Route 228/Balls Bend Project at the eastern limit of the project. 

Reconstruction of approximately 13,200 feet of road along Route 228 and 3,600 feet along Three Degree Road will occur. The proposed Route 228 template includes two through lanes in each direction as well as turn lanes at various signalized intersections. 

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Several new township roads and extensions will be included to improve access along the corridor. These township roads are listed below from west to east: 

• Township Road E - This new road will serve as a frontage road for properties along the south side of Route 228 and will connect into Route 228 via a new signalized intersection at relocated Brickyard Road. This will then eliminate the numerous driveways and left-turns in this area.
• Township Road D - This extension of Gables Court will provide a new connection from Route 228 to Brickyard Road. This will also extend to connect Township Road E to Route 228 at a new signalized intersection. 
• Township Road C - This road extends existing Brickyard Road in front of the Mars School Administration Building to the Mars Home for Youth property. It acts as a frontage road by eliminating all the school drives on the north side of Route 228 by providing them safer access through the new signalized intersection at Township Road D. 
• Township Road K - This new road is located behind the Mars High School and serves as a new access point to facilitate full access as the 2 existing driveways along Route 228 will be restricted to right-in right-out access. Township Road K will access Three Degree Road via a roundabout located south of Route 228. 

The project also includes the installation of a shared-use path along the east side of Three Degree Road through the project limits.

The project is anticipated to be complete by late 2026.

The Balls Bend Safety Improvement Project on Route 228 in Middlesex Township, Butler County was a major realignment project involving the addition of a travel lane in each direction and a center turn lane (5-lane typical section). The project also included the construction of four new structures and realigned local road connections, new signalized intersection, jughandles, stream realignments and other miscellaneous construction. 

The $26.55 million project began in February 2021 and was completed January 2025.