center: grayscale of the 8 μm GLIMPSE image of GMF 38.1-32.4. The white contour shows the ¹³CO integrated intensity of 0.5 K km s^-1 between 50 and 60 km s^-1 (left), and the yellow contour shows the ¹³CO integrated intensity of 0.5 K km s^-1 between 43 and 46 km s^-1 (right). Blue stars indicate the positions of IRAS sources and W 44, and blue circles are the positions of Hii regions from the CORNISH survey. The solid black line is the location of the Galactic plane at the distance of the 50−60 km s^-1 filament, and the dashed black line corresponds to the plane at the distance of the 43−46 km s^-1. Right and left: color scale of the centroid velocity field from the GRS ¹³CO data for the 43 to 46 km s^-1 (right) and 50 to 60 km s^-1 (left) filaments where the integrated intensity is above 1 K km s^-1 in the indicated velocity range, shown in the color bar in km s^-1. The blue contour is ATLASGAL 870 μm emission of 250 mJy beam^-1 within each masked region. In magenta circles, we show all v_lsr measurements of BGPS clumps that have velocities within the respective ¹³CO velocity ranges and with × those v_lsr values outside of the ¹³CO velocity ranges. The diamonds are positions in the Wienen et al. (2012) catalog with a matching velocity. The black contours are the ¹³CO integrated intensity of 2 and 7 K km s^-1.