Drivers in Johns Creek, Alpharetta, Cumming, Suwanee and Duluth may soon see some relief at the pump, but not all at once and not simply because a peace deal is announced.

The United States and Iran have reached a peace framework that is expected to be formally signed Friday in Switzerland, according to international reports. The deal is aimed at ending the war between the two countries, lifting the U.S. naval blockade of Iranian ports and reopening the Strait of Hormuz, one of the world’s most important oil-shipping routes.

That last part is what matters most for local gas prices.

North Atlanta drivers do not buy gasoline directly from Iran, and the gas station on Peachtree Parkway or McGinnis Ferry Road is not setting prices based on diplomatic language in Switzerland. But gasoline is tied to global oil markets. When conflict threatens major oil routes, crude prices rise. When those routes reopen and traders believe supply can move more freely, crude prices usually fall. Retail gas prices often follow, though with a delay.

Why the Strait of Hormuz Matters Here

The Strait of Hormuz is a narrow waterway between Iran and Oman that connects the Persian Gulf to the open ocean. A large share of the world’s oil and liquefied natural gas moves through it. When shipping through the strait is disrupted, markets immediately worry about supply.

That worry does not stay overseas. It shows up in crude oil prices, wholesale fuel costs and eventually at U.S. gas stations. Georgia is usually less expensive than many parts of the country because it sits in the Gulf Coast fuel region, but it is not insulated from global oil shocks.

The current average for regular gas in Georgia is about $3.76 a gallon, while the Atlanta metro average is about $3.77. That is below the national average of about $4.07, but still much higher than a year ago. Georgia prices have already eased from recent levels, falling about 8 cents in the past week and about 25 cents over the past month.

The peace announcement could add to that downward pressure if the agreement is signed and if shipping through the Strait of Hormuz actually resumes.

How Much Could Prices Fall?

The honest answer is: probably cents first, not dollars.

Oil prices dropped more than 4% after news of the U.S.-Iran deal and expected reopening of the strait. A one-day drop in crude does not translate immediately into the same percentage drop at the pump. Gas stations often adjust prices based on wholesale replacement costs, local competition, taxes, delivery costs and what they already paid for the fuel in their tanks.

If the agreement holds, North Atlanta drivers could plausibly see another 5 to 15 cents per gallon of relief over the next several days or couple of weeks. A larger drop, perhaps 20 to 30 cents or more, would likely require a steadier reopening of oil shipments, calmer markets and no new military disruption around Iran, Israel, Lebanon or Gulf shipping routes.

For a family filling a 15-gallon tank, a 10-cent drop saves about $1.50. A 25-cent drop saves about $3.75. That will not transform a household budget, but it matters during summer driving season, especially for families commuting between South Forsyth, North Fulton and Gwinnett or planning lake, beach and airport trips.

Why Relief Is Not Guaranteed

The deal is not the same thing as a permanent settlement. The agreement is expected to stop the fighting and reopen the waterway, while larger issues, including Iran’s nuclear program and sanctions relief, are supposed to be negotiated over the next 60 days.

That means gas prices could fall on optimism and then rise again if the deal stalls, if shipping remains limited or if another regional conflict threatens oil movement. The first reaction is market relief. The longer-term price impact depends on whether oil and refined fuel supplies actually normalize.

The U.S. Energy Information Administration had already expected gasoline prices to ease in 2026 and 2027 as crude oil prices fall, but the agency’s latest outlook also warned that disruptions around the Strait of Hormuz had pushed U.S. fuel-price forecasts higher. In other words, the peace deal may remove one of the biggest pressure points, but it does not erase every factor that affects pump prices.