Here are the Vermont Statutes relevant, not that you are coming this way! Basically for any color other than blue as long as you have a permit you and the driver is over 18 there is no problem. If the lights are blue you have to cover up or remove unless your a cop with a permit.
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23 V.S.A. § 1251. Sirens and colored signal lamps; out of state emergency and rescue vehicles
§ 1251. Sirens and colored signal lamps; out of state emergency and rescue vehicles
(a) A motor vehicle shall not be operated upon a highway of this state equipped with a siren or signal lamp colored other than amber unless a permit authorizing this equipment, issued by the commissioner of motor vehicles, is carried in the vehicle. A permit may be transferred following the same procedure and subject to the same time limits as set forth in section 321 of this title. The commissioner may adopt additional rules as may be required to govern the acquisition of permits and the use pertaining to sirens and colored signal lamps.
( B) Notwithstanding the provisions of subsection (a) of this section, when responding to emergencies, law enforcement vehicles, ambulances, fire vehicles, or vehicles owned or leased by, or provided to, volunteer firefighters or rescue squad members which are registered or licensed by another state or province may use sirens and signal lamps in Vermont, and a permit shall not be required for such use, as long as the vehicle is properly permitted in its home state or province. (Amended 1967, No. 265 (Adj. Sess.), § 1; 1985, No. 85, § 6; 2001, No. 106 (Adj. Sess.), § 1; 2009, No. 123 (Adj. Sess.), § 39; No. 152 (Adj. Sess.), § 19, eff. June 1, 2010.)
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23 V.S.A. § 1252. Uses of sirens or colored lamps or both
§ 1252. Uses of sirens or colored lamps or both
(a) When satisfied as to the condition and use of the vehicle, the commissioner shall issue and may revoke, for cause, permits for sirens or colored signal lamps in the following manner:
(1) Sirens or blue or blue and white signal lamps, or a combination of these, for all law enforcement vehicles, owned or leased by a law enforcement agency or a certified law enforcement officer and if the applicant is a constable, the application shall be accompanied by a certification by the town clerk that the applicant is the duly elected or appointed constable and attesting that the town has not voted to limit the constable's authority to engage in enforcement activities under 24 V.S.A. § 1936a.
(2) Sirens and red or red and white signal lamps for all ambulances, fire apparatus, vehicles owned or leased by, or provided to volunteer firemen and voluntary rescue squad members, including a vehicle owned by a volunteer's employer when the volunteer has the written authorization of the employer to use the vehicle for emergency fire or rescue activities and motor vehicles used solely in rescue operations.
(3) No vehicle may be authorized a permit for more than one of the combinations described in subdivisions (1) and (2) of this subsection.
(4) Notwithstanding subdivisions (1) and (2) of this subsection, no motor vehicle, other than one owned by the applicant, shall be issued a permit until such time as the commissioner can adequately record the information regarding both the owner of the vehicle and the applicant for the permit.
(5) Upon application to the commissioner, the commissioner may issue a single permit for all the vehicles owned or leased by the applicant.
( B) Amber signal lamps shall be used on road maintenance vehicles, service vehicles, and wreckers and shall be used on all registered snow removal equipment when in use removing snow on public highways and the amber lamps shall be mounted so as to be visible from all sides of the motor vehicle. A vehicle equipped with an amber signal lamp may not be issued a permit for the installation and use of a siren. (Amended 1967, No. 265 (Adj. Sess.), § 2; 1969, No. 259 (Adj. Sess.), § 11; 1985, No. 85, § 7; 1987, No. 5; 1987, No. 241 (Adj. Sess.), § 5; 1991, No. 128 (Adj. Sess.), § 1 eff. April 10, 1992; 1995, No. 88 (Adj. Sess.), § 1; 2001, No. 106 (Adj. Sess.), § 2.)
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23 V.S.A. § 1255. Exceptions
§ 1255. Exceptions
(1) The provisions of section 1251 of this title shall not apply to directional signal lamps of a type approved by the commissioner of motor vehicles.
(2) All persons with motor vehicles equipped as provided in subdivision 1252(a)(1) and (2) of this title, shall use the sirens or colored signal lamps or both only in the direct performance of their official duties. When any person other than a law enforcement officer is operating a motor vehicle equipped as provided in subdivision 1252(a)(1) of this title, the colored signal lamp shall be either removed, covered or hooded. When any person, other than an authorized ambulance operator, firefighter, or authorized operator of vehicles used in rescue operation is operating a motor vehicle equipped as provided in subdivision 1252(a)(2) of this title, the colored signal lamps shall be either removed, covered or hooded unless the operator holds a senior operator license. (Added 1967, No. 265 (Adj. Sess.), § 4; amended 1985, No. 85, § 8; 1995, No. 88 (Adj. Sess.), § 2.)