A passageway is a route or opening that allows passage from one place to another. An ADIT is a horizontal or nearly horizontal entrance into a mine, while an ACCESS is a WAY of approaching or entering a place. A CHANNEL is a long, narrow body of water, while a FOYER is a large entrance HALL or room in a house or other building. A WAY is a road, PATH, or route, while a PATH is a WAY or track laid down for walking or made by continual treading. An AVENUE is a wide road in a town, typically having trees at regular intervals along its sides, while a TUNNEL is a long, narrow underground or underwater passage. A DUCT is a tube or CONDUIT for conveying air, liquid, or a loose solid material, while an iter is a journey or passage, especially by a person. A CONDUIT is a pipe or CHANNEL for conveying water or other fluid, while an alley is a narrow street or LANE. A LANE is a narrow road, especially in a rural area, while an AISLE is a long, narrow passage between rows of seats or shelves. A HALL is a large room for meetings, concerts, or other events, while a CORRIDOR is a long, narrow passage in a building, especially one that leads to several rooms. An ENTRY is a point of ACCESS or entrance, while a crossover is a bridge or TUNNEL that carries a road or railway over or under another road or railway.