Specifications include, but are not limited to: Physical Size and General Dimensions - With the exceptions of exterior mirrors, marker and signal lights, flexible portions of the bumpers, fender, flares, skirts, and rub rails, the vehicle shall have the following overall dimensions and capacities. The 14 passenger buses are to be configured for paratransit service and the 17 passenger buses are to be configured for fixed route service. Fourteen (14) Passenger Vehicle: (1) Seated Capacity: Fourteen (14) Passengers. (2) Length, Overall: Approximate: 287 to 294 inches. (3) Wheelbase: Approximate: 158 inches. (4) Width, Overall: 97 inches, maximum, excluding outside mirrors (5) Height, Overall at GVWR: 115 inches, maximum desired. (6) Interior Width at seated shoulder height: 93 inches (7) Aisle Width: 17 ½ -20 inches desired. (8) Seat Width, per person (all); 17.5 inches minimum. (9) Interior Headroom: 75.5 desired minimum. Seventeen (17) Passenger Vehicle: (1) Seated Capacity: Seventeen (17) Passengers. (2) Length, Overall: Approximate: 290 to 313 inches. (Does not include bike rack) (3) Wheelbase: Approximate: 176 inches. (4) Width, Overall: 97 inches, maximum, excluding outside mirrors. (5) Height, Overall at GVWR: 115 inches, maximum excluding roof hatch; lower desired. (6) Interior Width at seated shoulder height: 93 inches nominal (7) Aisle Width: 17 ½ -20 inches desired. (8) Seat Width, per person (all); 17.5 inches minimum. (9) Interior Headroom: 75.5 minimum. (10) Bike Rack is required (Sportworks) or an approved equal. Underbody Clearance - The vehicle shall have the following minimum clearance dimensions at GVWR, as defined in SAE Standard J689. Ground Clearance. Overall vehicle ground clearance and axle/wheel zone ground clearance shall be maximized and adequate to enable the vehicle to operate in normal transit service in the environmental climatic, and street and roadway conditions prevailing throughout the Nashville Metropolitan Area. Vehicles are to have running boards installed below the driver’s door.