Vehicle Shoulder Encroachment and Lateral Placement Study

摘要

This study compares the number and extent of freeway and expressway shoulder encroachments by large trucks on standard width and wider concrete pavements with bituminous shoulders. A total of 486 trucks were trailed a total of 3,241 miles under fair weather daylight conditions. Fewer pavement edge loads and bituminous shoulder loads occurred on the wider pavements.