Veliki Gložac Tunnel
... that rock blasting during excavation of the second Veliki Gložac Tunnel tube required the original tunnel tube to be closed to traffic more than 220 times?
... that <a class="mw-redirect" href="./Rock_blasting" id="mwDck" rel="mw:WikiLink" title="Rock blasting">rock blasting</a> during excavation of the second <b id="mwDco"><a href="./Veliki_Gložac_Tunnel" id="mwDcs" rel="mw:WikiLink" title="Veliki Gložac Tunnel">Veliki Gložac Tunnel</a></b> tube required the original tunnel tube to be closed to traffic more than 220 times?