while most others were 82.5 feet, and alleys were 33 feet wide. Broad St. is among the widest streets in Columbus, with significant portions four to six lanes wide, often with additional parking or bike lanes. The city has discussed narrowing the road for pedestrian safety for decades. The street has a reputation as dangerous to cross without a walk sign, especially portions of West Broad that have large stretches without stoplights where cars speed by. U.S. Routes 40 and 62 utilize Broad Street around downtown Columbus. For public transportation, the Central Ohio Transit Authority's Route 10 runs down most of Broad Street. Before the authority was created, the same route was operated by private transit companies with bus lines, and before that, streetcars and horsecars. Beside the historic landmarks listed below, the street has numerous cultural landmarks and attractions. These include the National Veterans Memorial and Museum, COSI, the Scioto Mile park system, the Discovery Bridge, Columbus City Hall, the Rhodes State Office Tower, Franklin County Memorial Hall, the Washington Gladden Social Justice Park, and Franklin Park. Historical landmarks Buildings on Broad Street can have one of several types of official landmark designations: The Columbus Register of Historic Properties (CRHP) is the city-wide historic register. The city's Historic Resources Commission and Historic Preservation Office are responsible for identifying and designating its landmarks and the buildings in the city's historic districts. The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures and objects deemed worthy of preservation for their historical significance. The National Historic Landmark (NHL) program focuses on places of significance in American history, architecture, engineering, or culture; all NHL sites are also on the NRHP. Individual landmarks Below is a list of historic sites on Broad Street, from west to east. Historic districts are not included in this table, but are mentioned in . Buildings within historic districts, but no individual landmark designation, are not included in this table. Historic districts There are numerous historic districts through which Broad Street passes. Buildings in these districts with individual landmark designations are described in . From west to east, the districts are: 18th & E. Broad Historic District, a city historic district, also part of the National Register's E. Broad St. Multiple Resources District 21st & E. Broad Historic Group, a city historic district, also part of the National Register's