GREENWOOD VILLAGE, Colo. — The deaths of a husband and wife two years apart at the same intersection may not be enough to justify installing traffic lights.
The number and severity of crashes at an intersection play a role in the decision to put up signals, but they are not the only factors.
“The traffic volumes are definitely the first consideration,” said Joe Henderson, a traffic engineer with more than 40 years of experience. “And even if there’s a lot of crashes at an intersection, there has to be enough traffic at the intersection still to warrant the signal.”…