strmlnr s vhcl ncrprtng strmlnng n shp prvdng rdcd r rsstnc. Th trm s ppld t hgh-spd rlwy trnsts f th 1930s t 1950s, nd t thr sccssr "bllt trns". Lss cmmnly, th trm s ppld t flly frd prght nd rcmbnt bcycls. s prt f th Strmln Mdrn trnd, th trm ws ppld t pssngr crs, trcks, nd thr typs f lght-, mdm-, r hvy-dty vhcls, bt nw vhcl strmlnng s s prvlnt tht t s nt n tstndng chrctrstc. n lnd spd rcng, t s trm ppld t th lng, slndr, cstm blt, hgh-spd vhcls wth nclsd whls.