Noise Abatement Ordinance
(NAO)

¹ The en­force­ment au­thor­it­ies set the time lim­its for im­ple­ment­ing im­prove­ments and sound­proof­ing meas­ures ac­cord­ing to their ur­gency.

² In as­sess­ing ur­gency, the fol­low­ing factors are de­cis­ive:

a.

the ex­tent to which the im­pact thresholds are ex­ceeded;

b.

the num­ber of per­sons af­fected by the noise;

c.

the cost-be­ne­fit re­la­tion­ship.

³ The im­prove­ments and sound­proof­ing meas­ures must be com­pleted with­in 15 years of this Or­din­ance com­ing in­to force.

⁴ The time lim­it (para. 3) for im­prove­ments and sound­proof­ing meas­ures on roads are ex­ten­ded:

a.

for na­tion­al roads un­til 31 March 2015;

b.

for trunk roads ac­cord­ing to Art­icle 12 of the Fed­er­al Act of 22 March 1985¹⁰ on the Ap­plic­a­tion of the Ear­marked Min­er­al Oil Tax (MinOA), and for oth­er roads un­til 31 March 2018¹¹.

⁵ The time lim­its spe­cified in the Fed­er­al Act of 24 March 2000¹² on Rail­ways Noise Abate­ment ap­ply to the com­ple­tion of im­prove­ments and sound­proof­ing meas­ures on rail­way in­stall­a­tions.¹³

⁶ The im­prove­ments and sound­proof­ing meas­ures must be com­pleted:

a.

at mil­it­ary aero­dromes by 31 Ju­ly 2020;

b.

at civil aero­dromes that are used by heavy air­craft by 31 May 2016;

c.

at civil shoot­ing ranges that re­quire com­puls­ory im­prove­ments as a res­ult of the Amend­ment of 23 Au­gust 2006¹⁴ of An­nex 7: by 1 Novem­ber 2016;

d.

at mil­it­ary fir­ing ranges and train­ing grounds: by 31 Ju­ly 2025.¹⁵