Anti-rotting, split resistant railroad cross tie

Composite load bearing structure

Composite railroad tie

Composite railroad ties with optional integral conduit

Composite railway crosstie, shaped like an I beam

Composite railway tie

Composite railway tie and method of manufacture thereof

Concrete crosstie with recesses and method for the production th

Concrete railroad stringer or tie

Concrete railroad tie for supporting grade crossing panels

Concrete unit prestressed using tendons stressed before concreti

Extruded railroad tie for use with steel tie

Extruded railroad tie for use with steel tie

Method and apparatus for a railroad crosstie made from used...

Non-metallic-reinforced molded crosstie

Prestressed concrete cross tie having increased fatigue life

Prestressed concrete railroad tie

Rail mounting method and apparatus

Railroad cross tie and method of manufacture

Railroad cross tie and track continuity detector systems