A stone aggregate normally consisting of crushed and screened limestone. Often referred to as “TB”, it usually comes in “1/2 inch to fines”, for example. This type of TB would include stones from 1/2″ and smaller all the way down to powder or “fines”. The largest size is determined by the screen it was sifted through and all smaller particles down to fine powder are included. Traffic bond makes an excellent material base underneath paved surfaces because it can be compacted very tightly.

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