rockville pull

rockville pull abb taka kaa sabse lamba patthar kii chinai vaalaa mehrab vaalaa rail maarg pull haye. isamen 48 70 phut kaa vistaar haye.
yeh pull harrisburg, pensylvania key uttar mein suskiana nadee koo paar kartaa haye. purvi chhor rockville mein sthit haye aur paschimi chhor marisville key thheek dakshin mein haye.
1902 mein pensylvania railroad (pee. aar. aar.) dwara puuraa kiya gayaa, yeh aaj bhee norphoke dakshini railway aur amtrack key "pensylvanian" maarg dwara upayog mein haye.
iss pull koo 1975 mein aitihaasik sthaanon key rashtriya register mein soochibaddh kiya gayaa thaa aur 1979 mein ise rashtriya aitihaasik sivil engineering sthal key roop mein naamit kiya gayaa thaa.
itihas.
iss sthal parr banaaya gayaa pahala pull ack-track lakadi kaa thaa jise prr dwara banaaya gayaa thaa aur 1 sitambar, 1849 koo khola gayaa thaa. uttari madhya railway ney apane marisville pull koo chhodane key baad iska upayog karna shuru curr diyaa. 
ise 1877 mein ack double-track iron trus pull key saath badal diyaa gayaa thaa.
teesara aur vartamaan pull aprail 1900 aur march 1902 key beach drake aind stratton company dwara banaaya gayaa thaa., jisane purvi aadhaa khadaa kiya, aur aich.aiss. karbagh, paschim seey kaam curr rhaa haye. majdooron mein italvi viraasat key purush aur sthaaniya nivasi shamil they.
1968 mein prr vilay key baad pull kaa niyantran paine central koo diyaa gayaa, phir conrell aur anta mein norphoke dakshini koo. 
apane adhikansh jeevan key liye, pull mein chaar mukhya line patariyan theen, joe 1980 key dashak key dauran ghataakar teen hoe gaeen jaba pensylvania mein poorv prr mukhya line kaa aadhunikikaran kiya gayaa thaa. 
1990 key dashak key anta mein, ack intermodal container koo ack intermodal malgadi seey udaa diyaa gayaa aur nadee mein utar gayaa, jisase naa tou dakshini loga pull key paschim chhor parr anola key liye vaaee track kaa upayog karna bund curr dete hain. isane mukhya line patariyon kii sankhya koo ghataakar dou curr diyaa, lekin nadee mein samaapt honey vaale containers koo rokane key liye donon taraf ack buffer zone chhod diyaa, halanki disambar 2010 key uttar americi barfeele toofaan seey tej havaaon ney 27 disambar, 2010 koo ack aur overboard bheja.
pull key paschim kii or seey track koo "mairi" naamak ack nae cp bindu mein chhota curr diyaa gayaa thaa kyonki poorv sthaan parr switch mein vakr key kaaran paarshv bull spandral key paksh koo baahar fenk dete they. isake kaaran ack koyla train key vajan key neeche nadee kii or kii viphalata hui. jaba spandral whiffle hoe gayaa, tou isane ack baar key lokpriya vichaar koo bhee galat saabit curr diyaa kii pull kaa mool hissa concreet seey bharaa huaa thaa. 
tej havaa key samay, pull parr pawan dhaal key roop mein bhaari trains koo park karna niyamit haye. 
vartamaan mein, iss pull kaa upayog norphoke dakshini railway aur amtrack dwara kiya jaataa haye. 

