'Gate arm lamp,<br />highway crossing bell,<br />crossbuck sign'
a railroad crossing
PARTS OF A WHOLE: Gate arm lamp,<br />highway crossing bell,<br />crossbuck sign
Gate arm lamp,<br />highway crossing bell,<br />crossbuck sign
Gate arm lamp,<br />highway crossing bell,<br />crossbuck sign
PARTS OF A WHOLE
a railroad crossing
PARTS OF A WHOLE