OPP in Chatham-Kent are reminding drivers to take caution in construction zones after officers responded to six collisions along Highway 401 since the beginning of the month. Police say drivers should be prepared for traffic slowdowns in construction zones in both the eastbound and the westbound lanes of the 401 through the Chatham-Kent area. Officers have responded to six crashes, mostly “end of que” collisions where traffic is either stopped or near a standstill in construction zones along Highway 401 in the region since the beginning of April. Police offer the following tips to avoid future collisions: Drivers are also reminded that all fines are doubled in construction zones.