Location: I-10 and Grand Pkwy, Harris Cty US-90 rejoins and will stay with I-10 through downtown Houston, and we’ll immediately approach SH 99 Location: I-10 and Grand Pkwy, Harris Cty Exit for SH 99 E to TX-6, W to TX-FM1463 E to TX-6,  W to TX-FM1463 N to Franz Rd, S to TX-FM1093 E to … Continue reading U.S. Route 90, I-10 to TX-99