Crosswalks in Parking Lots
A professor in college once told me that “every trip starts and ends with a pedestrian.” No matter what means of transportation people use along the way, they generally start…
What is Photogrammetry and How Does DJS Associates Utilize It to Aid in Documentation?
In simple terms, photogrammetry is a process by which measurements can be obtained from photographs. While this can be accomplished from a single image and reference measurement(s), the way in…
Carpe Datum “Seize the Data”
In the field of digital forensics, it’s important for investigators to collect data in a forensically sound manner. This means collecting data without manipulating or deleting any data. Not every…
How Do You Find Fault When It Is A “He Said, She Said” Accident?
Often, drivers involved in an accident will profess that each had their corresponding green light. Unless there is a signal malfunction, both cannot be right. Sometimes there are clues to…
Motorcycle Left Turn Cases
I was recently retained to complete an investigation and analysis for two motorcycle left-turn cases. In the first case, a passenger vehicle left-turned in front of an approaching motorcycle, causing…
Good Luck Patrick Sheehan!
DJS Associates wishes the best of luck to our first (and only) NIL ambassador Patrick Sheehan (Senior, Penn State) at the U.S. Amateur Golf Championship this week! The tournament is…
“It’s Probably the Cheapest and Easiest Way, But it’s Not the Best Way”
Transportation expert with DJS Associates, Inc., Dr. Carl Berkowitz, was interviewed by 7 News Boston for their August 5th article investigating the disruptions to the MBTA’s Orange and Green Lines…
The Point of the Points: GPS Coordinates- How Many Decimal Places Are Really Needed?
During last year’s NFL Super Wild Card Weekend playoff games on tv, I saw an advertisement for the Apple Watch Series 7. In the commercial, there is a simulated emergency…
Never Mind the Blind Spots; Here’s the Sightline Prognosis
When a fatal collision occurred between a motorcycle and SUV at a city intersection, we were asked whether obstructed sight lines may have contributed to the incident. Two surveillance videos…