By Gregg Jones
Union Missourian Editor
City officials are hoping to keep a March construction date for work on Denmark Road that includes a new roundabout intersection at St. Andrews Drive.
Jonathan Zimmermann, city engineer, said right of way acquisition took much longer than expected, but now that it is complete, he will submit information to the Missouri Department of Transportation (MoDOT) for approval before seeking bids.
“Our original intent was to begin construction March 15 and that is still our intent,” he said.
This is the second phase of a Denmark Road widening initiative that was in the 2014-17 Transportation Improvement Program (TIP) approved last year by the East-West Gateway Council of Governments.
Included in the project is the widening, resurfacing and sidewalk construction from St. Andrews Drive to Grandview Farms Drive.
The cost of the project is $1,429,376, with a federal grant of $1,016,056 and a local match of $413,320.
The project will include a low-water bridge replacement.
There will be a “mini roundabout” at the St. Andrews Drive and Denmark Road intersection.
Officials selected this type of intersection over other options including a “full-blown” roundabout or simply a median island to split traffic with a four-way stop.
The “mini” roundabout will have a fully mountable center that vehicles could drive over.
The island lip should be no higher than 3 inches in order for trucks to easily drive over it. The two current roundabouts in Union have islands with 2-inch lips.
According to Zimmermann, the goal of the new roundabout is to make the intersection safer.
“Its main intent is to make that intersection safer, and the way to make an intersection safer is to slow traffic down,” he said.
“That is what drivers will have to do to negotiate the roundabout,” Zimmermann added. “It is a merge, or yield entry. It will hopefully address the issues we have at that intersection.”
Zimmermann explained that there are sight distance issues on St. Andrews Drive which could be the cause of accidents at the intersection,
Denmark Phase I
The first phase of the Denmark Road project was completed in 2014.
The work included new 12-foot-wide lanes and shoulders from Prairie Dell Road to just east of St. Andrews Drive. The lanes and shoulders now are a total of 28 feet wide.
Residents and aldermen requested that the road be widened due to safety concerns. The road was between 19 and 21 feet wide along the stretch between St. Andrews Drive and the Union Fire Protection District House No. 2.
There also were 5-foot-wide sidewalks installed along that stretch of the road.