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Illustration: Sarah Grillo, Rebecca Zisser/Axios

Experts say 5G phone networks will jump-start the smart cities movement — which deploys tech to try to make communities more sustainable and efficient — by tying together traffic, energy, communications, waste disposal, and many other municipal systems.

Why it matters: Smart-city ideas haven't transformed into reality yet for most Americans, but if government and industry get this right, cities could reduce traffic, cut carbon emissions, protect neighborhoods and save money.

How the industry sees it: Wireless providers are touting 5G's high speeds and low latency (delay) as giving the networks an opportunity to knit together elements of urban infrastructure that can't currently connect with one another.

Traffic light reprogramming is one example cited by Sameer Sharma, Intel's general manager for smart cities:

  • Most cities take years to change intersection timings to match changes in traffic patterns.
  • They may have traffic cameras monitoring flow and control systems that could be updated much more often, but no way for the systems to talk to each other.
  • 5G could glue them together and make possible a kind of dynamic traffic control that speeds drivers on their way and helps improve air quality.

Pilot projects have explored novel uses:

  • In San Diego's Gaslamp Quarter, providers worked with the city to test a power-saving system that switched streetlights on and off depending on the presence of traffic.
  • In Portland, Ore., a test rollout of multisensor light poles allows the city to monitor traffic on key corridors to improve safety. The system analyzes images and then discards them, alleviating concerns over privacy and surveillance.

How cities see it: Leaders and policy experts are excited by 5G's potential to improve city services but worry about cost, transitional problems, and fairness.

  • New infrastructure is expensive, and cities need confidence that the systems they install today won't be obsolete (or broken) before the next election.

Go deeper: The race to become "smart cities"

Go deeper

Twitter to label COVID-19 vaccine misinformation, implement strike policy

Photo: Illustration by Igor Golovniov/SOPA Images/LightRocket via Getty Images

Twitter announced Monday that it will label tweets with potentially misleading information about COVID-19 vaccines, and introduce a strike system that can lead to permanent account suspension.

The big picture: Tech companies are taking an increasingly aggressive stance against users who attempt to share misleading information about COVID-19 vaccines on their platforms.

Updated 4 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Health: Trump, Melania received COVID vaccine at White House in January — CDC director warns "now is not the time" to lift COVID restrictions.
  2. Vaccine: J&J CEO "absolutely" confident in vaccine distribution goals Most states aren't prioritizing prisons for COVID vaccines — Vaccine hesitancy is shrinking.
  3. Economy: Apple says all U.S. stores open for the first time since start of pandemic — What's really going on with the labor market.
  4. Sports: Poll weighs impact of athlete vaccination.
  5. World: Italy tightens restrictions as experts warn of growing prevalence of variants — PA announces new COVID restrictions as cases surge.
  6. Local: Colorado sets timeline for return to normalcy.
Updated 4 hours ago - Politics & Policy

Trump received COVID vaccine at White House in January

Photo: Noam Galai/Getty Images

Former President Trump and former first lady Melania Trump were both vaccinated at the White House in January, a Trump adviser tells Axios.

Why it matters: Trump declared at CPAC on Sunday that "everybody" should get the coronavirus vaccine — the first time he's encouraged his supporters, who have been more skeptical of getting vaccinated, to do so.