March/April 2007 · Vol. 70 · No. 5
March/April 2007
ARTICLES:
Old World Ways
by C.G.B. "Kit" Mitchell
Roadway designs in Britain and other European countries emphasize maintaining the safety and mobility of older pedestrians.
New Lime Test for Hot Mix Asphalt Unveiled
by Terry S. Arnold, Jenny Rozario, and Jack Youtcheff
FHWA researchers have devised a test to measure lime in asphalt, promising greater pavement longevity and lower costs to all concerned.
Better Options For Older Adults
by Helen Kerschner and Joan Harris
Local planners are establishing supplemental transportation programs nationwide to help meet the needs of the growing senior population.
Creep and Recovery
by John A. D'Angelo, Raj Dongré, and Gerald Reinke
A new FHWA test offers a faster, cheaper method for ensuring adequate elastomeric polymer content in asphalt binders.
Understanding Freight Bottlenecks
by Karen White and Lance R. Grenzeback
FHWA is studying traffic jams that increase the trucking industry's transportation costs.