One lane of eastbound or westbound I-70 will be closed at various locations from 6 a.m. until approximately 5 p.m.
Ramp closures on Interstate 225 in the Denver area will begin Sept. 25 and continue until Oct. 2.
The ramp from westbound I-70 to southbound I-25 in Denver will be closed from 10 p.m. to 4:30 a.m., Sunday through Thursday.
Both directions of I-25 near Alameda Avenue in Denver will be closed May 23-27.
The Colorado Department of Transportation has given no estimate when any of the roadway will reopen to traffic.
Sign up to get Overdrive's daily newsletter.