In 2018, LEGO released 6 City Traffic sets, all of these sets have been retired. For that year, the total price of all retail sets cost $90, today those sets are valued around $184, a growth of 104%.
Most valuable 2018 LEGO City Traffic set
60182 Pickup & Caravan $82.43
6 sets

30358 Dragster

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 40 / 1
Availability Retired
30358 LEGO City Dragster
promotional
Value $8.18
Annual growth 10.1%

40303 Vehicle Set

Theme / Subtheme City / Traffic
Year 2018
Pieces 79
Availability Retired
40303 LEGO City Vehicle Set
promotional
Value $4.78
Annual growth 12.1%

60178 Speed Record Car

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 78 / 1
Availability Retired
60178 LEGO City Speed Record Car
Retail $9.99
Value $14.76
Growth  +47.7%
Annual growth 4.2%

60180 Monster Truck

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 192 / 1
Availability Retired
60180 LEGO City Monster Truck
Retail $19.99
Value $24.99
Growth  +25.0%
Annual growth 3.3%

60182 Pickup & Caravan

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 344 / 3
Availability Retired
60182 LEGO City Pickup & Caravan
Retail $29.99
Value $82.43
Growth  +174.9%
Annual growth 10.1%

60183 Heavy Cargo Transport

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 310 / 2
Availability Retired
60183 LEGO City Heavy Cargo Transport
Retail $29.99
Value $48.68
Growth  +62.3%
Annual growth 5.7%