MARTINSVILLE-How do you build Interstate 73? How would you expand U.S. 220 in either direction? The Virginia Department of Transportation is open for suggestions, for these or any other road projects in the commonwealth. To do that, the department is holding a series of “hack-a-thon” events throughout the commonwealth, setting up one in each region. For Martinsville and Henry County, the regional meeting will be this Friday and Saturday at CoLab Roanoke, 1327 Grandin Road SW. “Data and technology are changing how we do business,” saidVDOT Chief Deputy Commissioner Rob Cary in a statement. “These hackathons are opportunities for innovators...