Prompted by the accident, engineer Edward Tyer developed the tablet system in which a token is given to the train driver; this must be slotted into an electric interlocking device at the other end of the single-track section before another train is allowed to pass.
pɹˈɑːmptᵻd baɪ ðɪ ˈæksɪdənt, ˌɛndʒɪnˈɪɹ ˈɛdwɚd tˈaɪɚ dɪvˈɛləpt ðə tˈæblət sˈɪstəm ɪnwˌɪtʃ ɐ tˈoʊkən ɪz ɡˈɪvən tə ðə tɹˈeɪn dɹˈaɪvɚ; ðɪs mˈʌst biː slˈɑːɾᵻd ˌɪntʊ ɐn ᵻlˈɛktɹɪk ˌɪntɚlˈɑːkɪŋ dɪvˈaɪs æt ðɪ ˈʌðɚɹ ˈɛnd ʌvðə sˈɪŋɡəltɹˈæk sˈɛkʃən bᵻfˌoːɹ ɐnˈʌðɚ tɹˈeɪn ɪz ɐlˈaʊd tə pˈæs.