Description: high quality stereo recording of a subway train arriving.

Description: high quality stereo recording of a subway train arriving.

Description: powerful truck engine sound as dump truck drives away.

Description: sound effect of single truck passing by at high speed.

Description: high quality audio of a dump truck dumping gravel.

Description: sound effect of a locomotive train passing by.

Description: sound effect of a locomotive train passing by.

Description: high quality stereo recording of multiple helicopters hovering overhead.