GO:0035669

Any series of molecular signals generated as a consequence of binding to a toll-like receptor 4 where the TRAM adaptor mediates transduction of the signal. Toll-like 4 receptors are pattern recognition receptors that bind bacterial lipopolysaccharide (LPS) to initiate an innate immune response. [GOC:BHF, PMID:14556004, PMID:18297073]