If the bond selloff continues, it could bring widespread economic pain in the form of higher borrowing costs on loans and credit, plus a slowdown in growth. Experts say for now it's 'wait and see.

This project will examine four alternative permeable parking designs made of (1) permeable asphalt, (2) plastic grid pavers, (3) permeable concrete, and (4) permeable interlocking concrete pavers.

These patterns are expertly fashioned from pieces of worn wood plank and end grain pavers arranged in a variety of patterns from Running Bond to Ashlar to Basket Weave. Butterfield Color, Inc ...

All four lots use permeable materials that allow precipitation to percolate through rather than run off of the lots ... plastic grid pavers, permeable concrete and permeable interlocking concrete ...

Not only do they have a shelf life of at least 25 years, the pavement comes in a variety of patterns and colors, he said. Cobblestone—the original interlocking concrete paver, for example ...