I-45 North Close You have been added to No Wait Weather + Traffic Newsletter Subscribe Now No Wait Weather + Traffic Sign Up Here are your North Freeway drive times… Lane Closure: IH-45 NORTH Southbound Frontage Road at CYPRESSWOOD DR/HolzwarthTravel Time: IH-45 North Southbound from Woodlands Parkway to Beltway 8-NorthTravel Time: IH-45 North Southbound from Woodlands Parkway to IH-610 North LoopTravel Time: IH-45 North Southbound from IH-610 North Loop to DowntownTravel Time: IH-45 North Southbound from SH-242 to Downtown