Design Manager, B&P Tunnel Replacement Project     Parsons’ Mobility Solutions Market provides planning, design, program management, construction management, and software solutions to a wide range of infrastructure clients, mainly in North America. We’re an industry leader in successfully delivering complex, challenging, and high-profile infrastructure projects across all project delivery models, including integrated delivery (public-private partnership, design-build, construction management at-risk) and traditional delivery.   The B&P Tunnel, located in Baltimore, dates from the Civil War era. At nearly 150 years old, it is the oldest tunnel Amtrak inherited and a single point of failure for MARC’s busiest line (the Penn Line) and the