Rap Up

Better Roads Staff - Mar 06, 2013

Making high-RAP mixes -- an art and a science By Daniel C. Brown, Contributing Editor Many state transportation departments have saved tens of millions of dollars by using reclaimed asphalt pavement. RAP is worth the same as the virgin materials it replaces. ...

Road Science

Better Roads Staff - Jan 01, 2013

Preserving the Unpaved Road ‘Gravel,’ stone-surfaced and dirt road preservation helped by new techniques, guidelines, RAP By Tom Kuennen, Contributing Editor A clogged corrugated drainpipe under this Texas road results in water flowing across it, eroding the surface and creating a ford ...