Design engineering services for the US 113 partial realignment and dualization of four miles from Massey Branch to Five Mile Branch Road and then 4.5 miles from MD 365 to Five Mile Branch Road. Improvements included local road tie-ins; multi-cell culvert replacements/extensions; new and/or rehabilitated pavement; at-grade railroad crossings; drainage-SWM facilities; intersection lighting, signing and markings. Practical and innovative design solutions saved $8M and provided safety and mobility enhancements.