FIGURE 2.70 Examples of median HOV lanes for buses. (a) Reversible lanes for express buses. (b) Twoway
lanes for local buses. Conversion: 6 to 10 ft 1.8 to 3.0 m. (From Guide for the Design of High
Occupancy Vehicle Facilities, American Association of State Highway and Transportation Officials,
Washington, D.C., 2004, with permission)