Maiya Sweeney, 18, was walking illegally on the westbound portion of Creswell Road/MD Route 543 and was not wearing reflective clothing when she was hit by a State Highway Administration truck headed south, The Aegisreported.
The crash in the 2400 block of Creswell Road was reported just after 8 p.m. Wednesday, officials said.
The victim was taken by helicopter to the University of Maryland Shock Trauma Center, where police said she was in stable condition on Thursday night.
According to Maryland State Police, the victim was a student at the Arrow Center, which is located in the 2400 block of Creswell Road, near where the crash occurred.
The street lamps on Creswell Road were out at the time, according to The Aegis.