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The vast majority of Gaia DR1 Tycho-Gaia astrometric solution (TGAS) starsare located within a distance of 1200 pc from the Sun and up to 600 pc withinthe Galactic plane. Complete usage of their parallaxes is possible only iftheir reddening and interstellar extinction are known. We obtained those from acomparison of the eight most accurate and complete 3D maps of reddening andextinction in the considered space. We analyzed the statistics of the maps andtheir differences in the cells of $20\times20\times20$ pc in the wholeconsidered space. The comparison of the maps in the cells outside the dustlayer allows us to obtain a formula of the correction for both overestimatedand minimal reddenings of the SFD map through the dust half-layer. We point outthe need for a further study of the minimal reddening through the dusthalf-layer and the overestimation of higher reddenings by use of the mostprecise data. Based on the data of all the maps under consideration we compiletwo catalogues of the reddenings: for 630,109 cells of $20\times20\times20$ pcin the considered space and for 1,758,723 TGAS stars with the most accuratedistances.

3D Reddening and Extinction Maps at the Beginning of the Gaia Era