From I-170: Take the Delmar exit and turn east on Delmar (about 3 miles and several lights) until you pass through the Big Bend intersection. Go past the Lion Statues, and turn right (south) at the next stoplight (Kingsland). Then turn right (west) at the next cross-street (Washington). Go half a block and turn left to enter the Trinity parking lot.
From 64/40 eastbound: Take the Hanley exit and turn north. After a couple of miles, turn right (east) at the Delmar intersection. Go through two stoplights (Jackson and then Big Bend) and continue on past the Lion Statues as above.
From 64/40 westbound: Take the Big Bend exit and turn north. Continue on Big Bend (a couple of miles) until it dead-ends at the intersection with Delmar. Turn right (east) on Delmar and continue on past the Lion Statues as above.
From St. Louis city: Take Forest Park Parkway west to Big Bend. Turn right (north) on Big Bend, go through the first stoplight, and then turn right (east) at the intersection with Delmar (Big Bend dead-ends here). Continue on past the Lion Statues as above.