How to reach: To reach the tidal bench marks from the Post Office on the west side of Rosenberg Avenue (25th Street) between Winnie Street (Avenue G) on the south and Church Street (Avenue F) on the north, proceed north on Rosenberg Avenue for 0.40 km (0.25 mi) to the intersection of Strand (Avenue B) and Rosenberg Avenue, turn right on Strand and proceed east for 0.57 km (0.35 mi) to 20th street. Turn left on to 20th street and travel 0.28 km (0.17 mi) north to end of street. The station is located North East from the end of 20th street.