 The operating nightmares of the tunnel , not to mention the millions of dollars the CGW spent to keep it open , forced the railroad 's management to consider many schemes to rid themselves of the burden . In 1909 , 1951 and again in 1964 ( the same year the North Western and Great Western announced their intentions to merge ) the CGW sought engineering proposals to reroute their trackage around the bore , to daylight the tunnel , or to completely rebuild and improve it . To the often cash @-@ strapped Great Western , however , all these plans proved far too expensive . 
 The operating nightmares of the tunnel , not to mention <a href='None' title='1'><mark>the</mark></a><a href='negative_concord' title='2'><mark>millions</mark></a> of dollars the CGW spent to keep it open , forced the railroad <a href='null_genetive' title='3'><mark>'s</mark></a>management to consider many schemes to rid themselves of the burden . In 1909 , 1951 and again in 1964 ( the same year the North Western and Great Western<a href='been_done' title='4'><mark></mark></a> announced their intentions to merge ) the CGW sought engineering proposals to reroute their trackage around the bore , to daylight the tunnel , or to completely rebuild and improve it . To the often cash @-@ strapped Great Western , however , all these plans proved far too expensive . 
The operating nightmares of the tunnel , not to mention no millions of dollars the CGW spent to keep it open , forced the railroad  management to consider many schemes to rid theyself of the burden . In 1909 , 1951 and again in 1964 ( da same year the North Western and Great Western been announced their intentions to merge ) the CGW sought engineering proposals to reroute their trackage around tdabore , to daylight the tunnel , or to completely rebuild and improve it . To the often cash @-@ strapped Great Western , however , alll these plans proved far too expensive .