3:59 p.m. Update:
I-95 North has reopened near Columbia, according to the Maryland State Highway Administration. Heavy delays remain, so expect headaches if you’re heading that way.
A crash on I-95 North is blocking all lanes north of Patuxent Freeway/Maryland 32, roughly halfway between the Capital Beltway and Baltimore.
Delays already extend back to Sandy Spring Road/MD 198 in Laurel. Expect major headaches if you’re heading out now and try to use the Baltimore-Washington Parkway or Columbia Pike instead.
NB I-95 north of MD 32 all lanes blocked with crash.Use US 1, US 29 or MD 295 as northbound alternatives.Delays back to MD 198.db
— MD State Highway Adm (@MDSHA) May 17, 2013