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316 Texas Department of Transportation 1365 North Main Street Paris, Texas 75460 December 21, 2000 Mr. Steve Neece Deputy Chief, Paris Fire Department 1444 North Main Paris, Texas 75460 Dear Mr. Neece: I have received your request of December 8, 2000 to install 3M Opticom emergency vehicle preemption at the intersection of US 82 and Pine Mill Road in Paris, Texas. I understand arrangements have been made with Consolidated Traffic Controls, Inc of Arlington, Texas to install the Opticom System on the traffic signal at this location. These signals shall only be preempted by emergency vehicles making emergency runs with flashing lights and sirens active. We have had cities that wanted to run "silent alarms" with no lights or sirens. If the emergency is not important enough to use flashing lights and sirens, then we do not want the signals preempted. If traffic at the intersection sees an emergency vehicle travel through the intersection with flashing lights and sirens, they expect some delay at the signal. Without lights and siren, they think there is a problem with the signal. It should be noted that preemption could take up to ten seconds after preemption equipment has activated the signal controller. The preemption equipment will be tied to the main signal breaker and fused with a separate fuse. All preemption connections must be made to the preempt panel. Wiring for permanent preemption equipment may be installed by placing the wiring inside the pole, mast arm, and conduit. The location and size of holes allowed in TxDOT equipment for running wiring will be determined on a case by case basis. If there is not enough room in the conduit for more wires, the City will have to install additional conduit at their expense. The determination as to the amount of room in the conduit will be made by TxDOT. The Preemption cabinet may be bolted to the side of the signal cabinet at the locations approved by EXHIBIT A