ATLANTA -- The much-needed rain that soaked metro Atlanta Wednesday morning caused several problems on local roads.

11Alive meteorologist Chesley McNeil says the rain should continue through mid-morning.

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Bartow County

A tractor trailer ran off the road on northbound I-75 near the Main Street exit. The Georgia Department of Transportation reported a diesel fuel leak and damage to a guardrail in this accident. The highway has since reopened.

Cobb County

Cobb County officials report slow-moving water on southbound I-75 at the ramp to eastbound I-285.

DeKalb County

ATLANTA -- A new ad supporting a penny sales tax that would fund billions in transportation improvements across metro Atlanta began airing on TV stations last week.

The ad makes some bold claims and some even bigger promises, which we decided to put to the test.

The ad claims Atlanta's traffic problems are actually costing the state billions in wasted gas and lost time and productivity.

The ad, which was created and paid for by Citizens for Transportation Mobility, bases its claim on the Texas Traffic Institution annual report. The reports estimates Atlanta's gridlock costs the state and its citizens nearly $2.5 billion annually.

The ad also claims the penny sales tax will spur job creation and strengthen the local economy. The tax would fund more than 150 transportation projects in 10 metro counties. The price tag is an estimated $8 billion.

PEACHTREE CITY, Ga. -- Thunderstorms expected across north and central Georgia Thursday could turn severe.

The National Weather Service in Peachtree City says the main threats from the storms on Thursday and Thursday night will be large hail, potentially damaging wind and lightning.

A hazardous weather outlook from the weather service indicates the storms are part of an upper-level pressure system moving southeast toward Georgia.