Officials are urging the tens of thousands gathering for LDS General Conference to carpool, use mass transit and take advantage of many options to watch or listen elsewhere. And beware: Fares for buses and TRAX light rail go up April 1 — halfway through conference. It is no April Fools’ Day joke. As part of a long-planned increase, regular adult one-way fares will jump from $2.25 to $2.35.