Rubuta ci gaba ga wannan sakin layi - Bayan nasarar WIBC ta kokarin rediyo a 1951, Gudanarwar Speedway ta zama mai sha'awar daukar nauyin watsa shirye-shirye a cikin gida har abada. A cikin 1952, Speedway a hukumance ya ƙaddamar da Indianapolis Motor Speedway Radio Network, ta amfani da baiwa ta iska da tallafin fasaha daga WIBC. Tsarin ya sake bin tsarin Mutual-style, tare da ɗaukar hoto kai tsaye a farkon, ƙarshen, da sabuntawa na lokaci-lokaci yayin tseren. Farawa a cikin 1953, bayan gunaguni daga sauran tashoshin rediyo guda huɗu a yankin, an faɗaɗa tarin baiwa don nuna ƙwararrun mutane daga duka tashoshin rediyo biyar na Indianapolis. Gasar ta 1953 ta kasance sananne ne saboda an fadada ta don nuna ɗaukar hoto na farko na "flag-to-flag", kuma adadin haɗin gwiwa ya riga ya girma zuwa tashoshin 130. A wannan lokacin, ana watsa shirye-shiryen a lokaci guda a duk manyan tashoshin Indianapolis, kuma adadin masu haɗin gwiwa a duk faɗin ƙasar ya ci gaba da haɓaka cikin sauri. A wasu shekaru, ƙungiyoyi za su yi rajista har zuwa safiyar tseren, suna ɗokin watsa shirye-shiryen. A shekara ta 1955
, ana iya jin watsa shirye-shiryen a cikin jihohi 48 (akwai jihohi 48 kawai a lokacin). A 1961, ya kai sabbin jihohi Alaska da Hawaii. Watsawa ta gajeren zango ta hanyar Rediyon Sojoji ta Duniya ya fara ne a 1953, kuma ya yi iƙirarin isa kowace ƙasa inda ake magana da Ingilishi. A cikin 1964, wani haɗin gwiwa a Rhode Island ya ɗauki watsa shirye-shiryen a karon farko, ma'ana cewa haɗin gwiwar ƙasa da ke fitowa daga jihohi 50 yanzu suna cikin hanyar sadarwa (a baya masu sauraron Rhode Island za su iya jin watsa shirye-shiryen daga jihar makwabta kawai). WJAR a Providence ta sanya hannu a tseren 1964 tare da wasu rassa 557 don wannan muhimmin tarihi.