Road signs in Singapore amber beacons, and are valid yet uncommon on the roads. The road markings and road dividers are "white zig zag lines" that indicate a zebra crossing in the vicinity, similar to the United Kingdom and Republic of Ireland Zebra crossing rules. On approach, regardless of the absence of any pedestrians, all motorists are required to keep left of the divider, prepare to stop and stay in their respective lanes, i.e. no overtaking is permitted. When pedestrians are present at the side of a zebra crossing, all motorists are obligated to give priority to pedestrians crossing the zebra crossing bars, by
Lake Shore Drive and an outer drive. The original inner drive (or local) is used for slower local traffic and is connected to the street grid. The local drive runs from downtown in Streeterville to LaSalle Drive, (becoming Cannon Drive). Then the inner drive reappears just south of Diversey Parkway (approx. 2800n), continuing north to Irving Park Road (4000n). The portion from Belmont (3200n) to just south of Irving Park (4000n) was previously named Sheridan Road (which can still be seen carved in stone in at least one vintage high-rise). The outer drive (or express) with limited-access runs from the south side of