The first director of Pittsburgh’s Department of Mobility and Infrastructure will be leaving her job in the city for a role in President Joe Biden’s administration, Mayor Bill Peduto announced Friday. Karina Ricks, who took the reins of the newly created DOMI in February 2017, will join the Federal Transit Administration as associate administrator for research, innovation and demonstration. The Peduto administration said the department was formed to promote safety, accessibility and sustainable transit in the city. Under her leadership, DOMI developed a plan early on to improve safety on Liberty Avenue in the Strip District, which is set to...