Emergency response crews are responding to a 10- to 15-gallon diesel fuel spill by a semi-truck on northbound Interstate 25 on Thursday at the Arapahoe Road exit’s westbound on-ramp, according to South Metro Fire Rescue. The semi-truck appeared to be part of the Safeway groceries fleet. Related Articles Crime and Public Safety | Drivers hit road blocks while disputing Colorado express lane violations Crime and Public Safety | Townhomes in, offices out as developer alters plans for 10-acre DTC site Crime and Public Safety | Southbound Interstate 25 reopens near Pikes Peak Raceway after crash Crime and Public Safety | Can the South Platte finally overcome its polluted past? Big investments aim to transform Denver’s riverfront. Crime and Public Safety | Stretch of northbound I-25 through Denver reopens following fatal crash The spill is now contained and has not contaminated any waterways. A private environemtal agency is responding for reamining clean up. The far right lane of northbound I-25 will be shut down in the area as crews clean up the now contained spill. Sign up to get crime news sent straight to your inbox each day.