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Mobility

Cancun now monitors 117 of its 178 signalized intersections: how the new traffic system works

The Traffic Light Monitoring Center and the SIMO system, part of the "Cancún Fluye" strategy, adjust signal timing based on real traffic, starting downtown.

By Miguel Díaz Miró · Responsible editor ·
Cancun traffic light monitoring center with real-time traffic screens

The Benito Juárez municipal government unveiled its Traffic Light Monitoring Center and the Mobility Information System (SIMO) on July 17. The tools already track 117 of Cancun's 178 signalized intersections in real time as part of the "Cancún Fluye" (Cancun Flows) strategy.

The announcement was led by Landy Guadalupe Canché Pantoja, acting head of the municipal government, and Héctor Sánchez Tirado, head of the urban planning institute (IMPLAN). According to city hall, the traffic light network is distributed across six zones, and coordination work began in the downtown area.

What changes for drivers?

With traffic lights connected in a network, the city can see how vehicles behave at each intersection, adjust green and red light timing to match demand, and prioritize the most congested crossings. In practice, that means signals along a corridor can be synchronized during rush hour so traffic flows more continuously, instead of running on fixed timers that treat 6 a.m. and 2 p.m. the same.

"SIMO is a tool that provides reliable information on traffic behavior," city hall said when presenting the system.

What's still missing

Current coverage leaves out 61 signalized intersections not yet integrated into the monitoring network. The city did not give a timeline for connecting them, so benefits will be felt first downtown and along corridors already in the network.

Why it matters in Cancun

The city funnels resident traffic, tourist transportation and cargo through a handful of main avenues, so bottlenecks at key intersections ripple across the whole grid. Centralized signal management is the same principle other cities use to create "green waves" on saturated corridors: it doesn't eliminate traffic, but it cuts unnecessary stops and dead time at red lights when no one is crossing.

If you drive or ride public transit daily, no action is needed on your part — adjustments happen from the monitoring center. Just note that while timing is being calibrated, some intersections may behave differently than you're used to.

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