June 4-5 Northbound Lane Closures – (Overnight Closures) 9:00 PM – 10:00 AM – (1) SH-288 Northbound entrance at Highway 6. (2) Discovery Bay Northbound entrance ramp. (3) SH-288 Northbound frontage road from Broadway Street entrance ramp. (4) SH-288 Northbound entrance ramp near Magnolia Parkway.