Enhancing Lives the CWS Way. Experience a taste of authentic Austin living - a perfect blend of personality, convenience, quality and serene living. Located near the intersection of South MoPac Expressway and Highway 290 West, The Marquis at Barton Trails is convenient to a number of major employers, eclectic shopping, and vibrant restaurants. Custom home quality and features can be found in this serene ambiance of this close-in community with greenbelt views. What you hear is true at The Marquis at Barton Trails.