Jersey drivers could start paying a $15 congestion pricing fee to enter lower Manhattan as soon as mid-June after a federal judge set an April 3 date for New York and New Jersey attorneys to begin arguing their cases for and against the charge. A judge denied the state’s efforts to add a constitutional challenge to its lawsuit to fight New York City’s congestion pricing plan, in an effort to expedite the case. MTA officials originally wanted to start congestion pricing in the spring. The expedited court date means that if victorious, the MTA could implement congestion pricing as early as mid-J…