Accompanying the data is individual collision level data and a data dictionary outlining the variables that are included in the collection of Road Collision Stats19 data.
Ochr yn ochr â'r data, cyhoeddir data ar lefel gwrthdrawiadau unigol a geiriadur data sy'n amlinellu'r newidynnau a gaiff eu cynnwys wrth gasglu data Gwrthdrawiadau ar y Ffyrdd Stats19.