DYNAMIC AUTOMATED QUEUE WARNING (AQW)
Ver-Mac, as part of the TTI End of Queue Warning Evaluation, has developed a portable, dynamic, automated queue warning system. Featuring the NCHRP 350 crash-tested Speed Mac VP, an Automated Queue Warning System can be set up quickly for short term or for longer term Queue Warning Applications. The Speed Mac VP receives real-time traffic data that, via Ver-Mac’s JamLogic Software, automates Queue Warning Messages on Portable Messages Signs positioned upstream of the queue.
AQW OBJECTIVES: • Improve worker & motorist safety • Decrease motorist speeds approaching work zones • Reduce work zone rear-end collisions • Provide real-time information to motoring public AQW APPLICATIONS • Highway night time paving and bridge closures • Daily Highway maintenance lane closure • Long term highway lane closure where frequent queues are projected to occur • Ramp backup onto highway off-ramp • Special Event backup SPEED-MAC VP FEATURES • Integrated radar, 4G modem with GPS, lithium battery & solar regulator packaged in barricade light • Complete autonomous system • Autolocates with other Speed-Macs* • NCHRP 350 crash tested • Proven radar technology for accurate speed & count • Can pick up speeds from vehicles on up to 3 lanes • Microwave sensors can be integrated into the system AQW BENEFITS • IMPROVED SAFETY - Motorists see real time queueing information and slow down approaching queue • ENHANCED MOBILITY - Smoother transition to reduce speed differential. • REDUCED REAR-END COLLISIONS – TTI Report shows 45% reduction in rear-end crashes
Speed-Mac VPs are dynamic and can be moved around without affecting the logic. Ver-Mac’s JamLogic software will automatically recognize the new location of the Speed-Mac VPs.
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