Helen Yang, 75, was killed on the night of April 25th as she crossed Library Avenue outside the Newark Free Library.
Yang was a grandmother who lived in a high-rise apartment building with her husband.
Newark Police believe the striking vehicle may have been a black 1998-2002 4-door Honda Accord with right side damage, including the right side mirror.
To earn the reward, call Newark Police at (302) 366-7110 ext. 450 or deliver the information in person at 220 Elkton Road, Newark, DE.
Crime Stoppers is also offering a $1,000 reward. To provide anonymous information to Delaware Crime Stoppers call 1-800-TIP-3333 or on the web at www.tipsubmit.com