The distinctive blue and yellow locos of open-access operator OKD Doprava can often be seen working coal trains along the Ostrava - Ceska Trebova - Praha main line. OKD Doprava is an offshoot of the OKD mining company based in Ostrava.181.040 and 740.458 led a long coal train towards Praha at Parnik on the morning of 09 June 2006.