operators (Hudson Bus Lines for the 710 and 716, Rapid Transit Inc. for the 712/713, and Nantasket Transportation for the 714). The 712 and 713 use MBTA-provided buses and accept Charliecards; the other routes do not. Four suburban municipalities contract with outside operators for local circulator routes, most with partial MBTA subsidy. Bedford and Beverly run single routes, Burlington runs five routes, and Lexington runs six. Most are run by private operators, except for the Beverly Shuttle, which is part of the Cape Ann Transportation Authority system. Additionally, a nonprofit shuttle is run in Boston's Mission Hill neighborhood. Those routes appear on MBTA system maps and connect with MBTA services at designated transfer points, but are numbered separately and do not accept MBTA passes. Bus lanes Several sections of dedicated right-of-way for MBTA buses have been opened in the 21st century. Two sections of the Silver Line have off-street busways: The 2004-opened South Boston Piers Transitway tunnel in the Seaport (used by the , , , and ), and a 2018-opened surface busway in Chelsea used by the SL3. A direct ramp to the Ted Williams Tunnel is proposed for use by the SL1 and SL3. A number of dedicated bus lanes on surface streets are also in use: Washington Street, Boston: between Melnea Cass Boulevard and Kneeland Street (including a short southbound contraflow section), with an additional northbound-only between Stuart Street and Temple Place. The lanes are used by Silver Line routes and , as well as local routes , , and . The southern section was opened in 2002 with the introduction of Silver Line service; the portion north of Herald Street (northbound) and Marginal Street (southbound) was added in mid-2020 along with a lane on Temple Place. of northbound morning-peak-only bus/bike lane between Roslindale and was added in June 2018 following a test that May. The section is used by routes , , , , , , , , and . of southbound evening-peak-only lane was added in early 2021. Essex Street, Boston: Two eastbound segments totaling , opened in 2009 for use by the SL4. Broadway, Sweetser Circle, and Main Street, Everett: A morning-peak-only southbound bus lane on Broadway from Henry Street to Sweetser Circle (routes , 104, 109, , ) was opened in 2017 after a 2016 test. A northbound evening-peak-only lane on Broadway from Sweetser Circle to Chelsea Street, a northbound evening-peak-only lane on