The state of Maryland has made strides in improving work zone safety since the deaths of six workers in a high-profile 2023 crash in Baltimore, but two recent highway fatalities provide grim reminders of the challenges all states face in protecting roadside activities.  On April 28, s Maryland Dept. of Transportation worker was killed when his stationary vehicle was rear-ended by another motorist as he reportedly tended to a maintenance project, according to local media reports. The worker was pronounced dead at the scene, while the other driver and a passenger were treated for their injuries. Matyland has made strides to reduce state highway work zone crashes,  Chart courtesy of state of Maryland The incident, which remains under investigation, occurred three days after a state DOT highway safety patrol worker was killed during a crash scene response on a ramp to the I-495 Capital Beltway.…