1:30 p.m.: Only one lane on southbound I-275 in Tampa is open after a concrete slab fell off a tractor-trailer and is in the middle of the road.

Climate, including high water tables, frost lines, harsh winters, and vulnerability to storm surge and high winds, will determine whether a slab or below-grade foundation is chosen.

Learn how to pour a perfect concrete slab for your next outdoor project.

Concrete highway lanes have their place — but white markings on them can be difficult at times to see.

Whether you're building or buying a house, here is why you do (or don't) want a concrete slab and the benefits and drawbacks that need to be considered.