Gov. Phil Murphy announced Friday he plans to nominate another former New Jersey Turnpike veteran who has four decades of toll road and industry experience to be his administration’s second transportation commissioner. Murphy picked Francis K. O’Connor to head the state Department of Transportation, allowing current Commissioner Diane Gutierrez-Scaccetti to switch to her new role as his chief of staff. Among O’Connor’s Garden State credentials is a bachelors degree in accounting he earned at St. Peter’s University in Jersey City and a 16-year career at the New Jersey Turnpike Authority, accord…