For the purpose of these rules and orders, the words and phrases used herein shall have the following meanings, except in those instances where the context clearly indicates a different meaning:
BUS STOP
An area in a roadway set aside for the boarding of or alighting from buses. (The word "bus" shall be constructed to mean every vehicle designed for carrying more than nine passengers and used primarily for the transportation of persons.)
CAUTION SIGNAL
A flashing yellow signal having the same general function as a warning sign.
CHANNELIZING ISLAND
A traffic island located to guide traffic streams along certain definite paths and to prevent the promiscuous movement of vehicles in what would otherwise be a widely extended roadway area.
COMMERCIAL VEHICLE
Any vehicle registered for commercial purpose and designed and used primarily for the transportation of goods, wares or merchandise.
CROSSOVER
An opening in a channelizing island that connects both sides of a divided highway.
CROSSWALK
That portion of a roadway ordinarily included within the extensions of the sidewalk lines or, if none, then the footpath lines and, at any place in a highway, clearly indicated for pedestrian crossing by lines or markers upon the roadway surface.
CURB MARKING
That portion of a curbing, the painting of which has been duly authorized by the Director of Public Works and has the written approval of the Department of Public Works of the Commonwealth of Massachusetts.
EMERGENCY VEHICLE
Vehicles of the Fire Department (Fire Patrol), police vehicles and such ambulances and emergency vehicles of federal, state or municipal departments or public service corporations as are commonly recognized as such.
FUNERAL
Any procession of mourners properly identified as such accompanying the remains of a human body.
HANDICAPPED PARKING SPACE
A parking space or area set aside for the exclusive use of handicapped persons and where parking is prohibited or restricted except to those vehicles displaying a distinguishing registration number or plate issued by the Registrar of Motor Vehicles to handicapped drivers or to nondrivers who are handicapped persons.
[Added 2-22-1983]
INTERSECTION
A. 
The area embraced within the extensions of the lateral curblines or, if none, then the lateral boundary lines of intersecting ways as defined in MGL c. 90, § 1, including divided ways.
B. 
The rules and regulations herein contained governing and restricting the movement of vehicles at and near intersecting ways shall apply at any place along any way at which drivers are to be controlled by traffic control signals, whether or not such place is an intersection as herein defined.
LANE
A longitudinal division of a roadway of sufficient width to accommodate the passage of a single line of vehicles, whether or not such lane is indicated by pavement markings or longitudinal construction joints.
OFFICER
Any police officer or any officer authorized to direct or regulate traffic or to make arrests for violations of traffic regulations.
ONE-WAY HIGHWAY
Roadways or streets designated by the rules and orders as one-way and upon which vehicular traffic may move only in the direction indicated by signs.
OVERTIME PARKING IN METERED SPACE
The parking by the same vehicle in a metered space for a period of time exceeding the original metered time limit by more than one hour or the act of inserting additional coins into a parking meter for the purchase of time beyond the original metered time limit for the same vehicle or the purchase of time beyond the original metered time limit for the same vehicle using the same space within one hour of the original expired time.
[Added 2-22-1983]
PARKING
The standing of a vehicle, whether occupied or not, otherwise than temporarily for the purpose of and while actually engaged in loading or unloading or in obedience to an officer or traffic signs or signals or while making emergency repairs or, if disabled, while arrangements are being made to move such vehicle.
PARKING MACHINE
Any mechanical device not inconsistent with the provisions of these rules and orders and placed or erected in any municipal off-street parking area within the Town of Lexington for regulation of parking. Each parking machine installed shall indicate by proper legend the legal parking time established by these rules and orders. In addition each machine shall dispense a ticket to be placed in plain view on the dash of each vehicle.
[Added 10-26-1981]
PARKING MACHINE ZONE
Includes any municipal off-street parking area or portion thereof in which a parking machine is installed and in operation and upon which parking of vehicles is permitted for a limited time subject to compliance with the further provisions of these rules and orders.
[Added 10-26-1981]
PARKING METER
Any mechanical device not inconsistent with the provisions of these rules and orders and placed or erected on any public way or municipal off-street parking area within the Town of Lexington for the regulation of parking. Each parking meter installed shall indicate by proper legend the legal parking time established by these rules and orders and, when operated, shall at all times indicate the balance of legal parking time permitted and at the expiration of such period shall indicate illegal or overtime parking.
PARKING METER SPACE
Any space within a parking meter zone adjacent to a parking meter which is duly designated for the parking of a single vehicle by lines painted on the surface of the street or municipal off-street parking area adjacent to or adjoining such parking meter.
PARKING METER ZONE
Includes any street or portion thereof or municipal off-street parking area upon which parking meters are installed and in operation and upon which the parking of vehicles is permitted for a limited time subject to compliance with the further provisions of these rules and orders.
PEDESTRIAN
Any person afoot or riding on a conveyance moved by human power, except bicycles or tricycles.
PERSON
Includes any individual, firm, copartnership, association or corporation.
RAILROAD CROSSING
Any intersection of ways with a railroad right-of-way.
ROADWAY
That portion of a street or highway between the regularly established curblines or that part, exclusive of shoulders, improved and intended to be used for vehicular traffic.
ROTARY TRAFFIC
The counterclockwise operation of a vehicle around an island or other structure in the highway.
SAFETY ZONE
Any area or space set aside within a roadway for the exclusive use of pedestrians and which has been indicated by signs, lines or markings, having the written approval of the Department of Public Works, Commonwealth of Massachusetts.
SERVICE ZONE
An area in the roadway or municipal off-street parking area set side for the accommodation of commercial and transient vehicular traffic.
SIDEWALK
That portion of a street or highway set aside for pedestrian travel.
STOP SIGNAL
A flashing red signal having the same function as a stop sign.
STREET MARKING
Any painted line, legend or marking of any description painted or placed upon any way which purports to direct or regulate traffic and which has been authorized by the Department of Public Works, Commonwealth of Massachusetts.
STREET or HIGHWAY
The entire width between property lines of every way open to the use of the public for purposes of travel.
TAXICAB STAND
An area in the roadway in which taxicabs are required to park while waiting to be engaged.
TRAFFIC
Pedestrians, ridden or herded animals, vehicles, streetcars or other conveyances, either singly or together, while using any street or highway for the purpose of travel.
TRAFFIC CONTROL AREA
Any area along the way, other than an intersecting way, at which drivers are to be controlled by traffic control signals.
TRAFFIC CONTROL SIGNAL
Any device using colored lights which conforms to the standards as prescribed by the Department of Public Works of the Commonwealth of Massachusetts, whether manually, electrically or mechanically operated, by which traffic may be alternately directed to stop and to proceed.
TRAFFIC ISLAND
Any area or space set aside, within a roadway, which is not intended for use by vehicular traffic.
TRAFFIC SIGN
All signs, markings and devices, other than signals, not inconsistent with these rules and orders and which conform to the standards prescribed by the Department of Public Works of the Commonwealth of Massachusetts and are placed or erected by authority of a public body or official having jurisdiction for the purpose of guiding, directing, warning or regulating traffic.
TRAFFIC SIGNAL
All signals conforming to the standards as prescribed by the Department of Public Works of the Commonwealth of Massachusetts, not inconsistent with these rules and orders, placed or erected by authority of a public body or official having jurisdiction for the purpose of directing or warning traffic.
U-TURN
The turning of a vehicle by means of a continuous left turn whereby the direction of such vehicle is reversed.
VEHICLE
Every device in, upon or by which any person or property is or may be transported or drawn upon a highway, including bicycles when the provisions of these rules are applicable to them, except other devices moved by human power or used exclusively upon stationary rails or tracks and devices which derive their power for operation from stationary overhead wires.