The number of this highway is derived from the old U.S. Route 99, with which the highway originally connected.
U.S. Route 99 passed through Whiteaker until the 1930s, leading to the creation of a thriving commercial district in the neighborhood.
U.S. Route 66 | U.S. Route 1 | U.S. Route 6 | U.S. Route 101 | Route 66 | U.S. Route 30 | New Jersey Route 4 | European route E65 | U.S. Route 40 | California State Route 1 | U.S. Route 1 in Maine | Pennsylvania Route 309 | European route E18 | U.S. Route 23 | European route E4 | U.S. Route 9 in New York | U.S. Route 11 | Pennsylvania Route 82 | European route E70 | U.S. Route 90 | U.S. Route 75 | U.S. Route 61 | U.S. Route 60 | Pennsylvania Route 73 | New York State Route 32 | European route E55 | U.S. Route 80 | U.S. Route 71 | U.S. Route 51 | U.S. Route 22 |
Valley Boulevard (former U.S. Route 60 and U.S. Route 99) is a vital and growing professional and business sector that includes many Asian markets, eateries and other service oriented businesses such as physicians and dentists.