All lanes now open following serious crash on NB I-25 near Greenland exit Denver7 and last updated 2021-04-12 09:45:29-04 COLORADO SPRINGS â All lanes of northbound I-25 near the Greenland exit were impacted by a serious crash Monday morning. As of 7:30 a.m, crews have both lanes open northbound. The crash was first reported about 6:30 a.m. Monday. Details on the severity of the crash have not been announced. All traffic was backed up for several miles as a result of the blockage. Commuters can use Highways 105 from Monument or Highway 83 from Colorado Springs or Monument for an alternate routes, in the event of a traffic backup.