STK Emission test on site Testing station

STK Zásmuky

operated by STK Zásmuky s.r.o. · station no. 3249 · Kolín district

STK Zásmuky inspects passenger cars, vans and trucks up to 3.5 t, motorcycles, trikes and quads, trailers up to 3.5 t, tractors, tractor trailers, work machines and towed equipment and other vehicles and tests emissions for petrol, diesel, LPG, CNG and LNG. In 2025, 11,452 inspections took place here.

Station details: Czech Ministry of Transport · page updated 28 Oct 2026

What they inspect here

  • Passenger carscategory M1
  • Vans and trucks up to 3.5 tcategory N1
  • Motorcycles, trikes and quadscategory L
  • Trailers up to 3.5 tcategory O1, O2
  • Tractorscategory T, C
  • Tractor trailerscategory R, OT1, OT2, OT3, OT4
  • Work machines and towed equipmentcategory S
  • Other vehiclescategory Z

Special services

  • Testing station – imported and converted vehicles before first registration in Czechia

Not inspected here

trucks over 3.5 t, buses and minibuses and trailers and semi-trailers over 3.5 t. Find another STK in the Kolín district

Types of inspection

  • Periodic inspection
  • Re-inspection (after defects)
  • Registration check (transfer, change of details)
  • Inspection before registration (import)
  • Inspection before type approval (conversions)
  • Historic vehicle inspection
  • Inspection at the customer's request

Based on inspections in 2025.

Emission test

They test emissions right here, during the same visit as the inspection. For all five fuels, including LNG.

  • Petrol
  • Diesel
  • LPG
  • CNG
  • LNG

Inspection statistics

In 2025 there were 11,452 inspections here, 29 % fewer than the average STK in the Kolín district. That is 8 % more than in 2024.

Ministry of Transport data for 2024 and 2025

Inspections in 2025 compared with the average for the Kolín district
Inspections by year
YearThis stationDistrict average
202511,45216,133
202410,593–
Last 12 months11,782–

Most common car makes

  1. Škoda
  2. Volkswagen
  3. Ford
15.1 years average age of inspected vehicles in 2025
When it is least busy It is busiest on Monday around 9:00. It is quietest on Friday around 12:00.

Based on inspection times in 2025 · Ministry of Transport data

Frequently asked questions

Do I need to book an appointment at STK Zásmuky?

The quickest way to find out about booking and waiting times is to call 601 207 503. Online booking through naSTK is not available yet.

Can I get an emission test here too?

Yes, for petrol, diesel, LPG, CNG and LNG.

Can they inspect an imported car here?

Yes. It is a testing station, so it also inspects imported and converted vehicles.

When is it least busy here?

Based on inspections in 2025, it is quietest on Friday around 12:00 and busiest on Monday around 9:00.

At the same address

Nearest stations

All stations in the Kolín district

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