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Kane County approves two engineering amendments adding milling, resurfacing to Plank Road safety projects
Summary
The committee approved two contract amendments totaling $48,852 in supplemental engineering agreements to add milling and resurfacing to upcoming Plank Road safety segments, after staff described a pattern of run-off-road crashes.
Kane County’s Transportation Committee approved two amendments to professional engineering agreements with Kimley-Horn to add milling and resurfacing work to upcoming Plank Road safety improvement segments.
Staff said earlier Plank Road safety work—shoulder widening, centerline and shoulder rumble strips, and stripe adjustments—revealed pavement conditions that make it cost-effective to mill and resurface the travel lanes as part of the safety improvements. The committee approved an additional $23,154 for the Ramke Road to Briar Hills segment and $25,698 for the County Line to Ingle Road segment, both amendments to existing Kimley-Horn engineering agreements.
KDOT staff explained the change was prompted by experience on a previously completed Plank Road segment and by observed run-off-road crashes on the two-lane rural county highway. "We found that we had a lot of runoff the road type crashes on Plank Road," staff said, noting that widening shoulders and re-striping made milling and resurfacing prudent.
Committee members questioned why out-sourced consultants handle design work rather than in-house engineers. KDOT staff replied that state and federal project requirements and the breadth of disciplines needed make in-house design impractical without a large, costly expansion of county engineering staff. Staff added that while they do not like supplemental requests, the changes are expected to yield longer-term pavement life and reduce future maintenance costs.
Both amendments passed on roll call voting.
