The northbound Interstate 5 (I-5) on-ramp at Martin Way near College St. will be closed for overnight work Thursday, June 27 through the early morning hours of Friday, June 28. During the overnight closure, traffic control measures and a detour for northbound I-5 traffic will be in place. The closure will take place between 8:30 p.m. and 4:30 a.m. Southbound access to Interstate 5 will not be impacted.