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 $183, a growth of 104%.
Most valuable 2018 LEGO City Traffic set
60182 Pickup & Caravan $79.99
6 sets

30358 Dragster

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 40 / 1
Availability Retired
30358 LEGO City Dragster
promotional
Value $4.54
Annual growth 9.2%

40303 Vehicle Set

Theme / Subtheme City / Traffic
Year 2018
Pieces 79
Availability Retired
40303 LEGO City Vehicle Set
promotional
Value $5.03
Annual growth 12.5%

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 $14.89
Growth  +49.0%
Annual growth 3.6%

60180 Monster Truck

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 192 / 1
Availability Retired
60180 LEGO City Monster Truck
Retail $19.99
Value $28.80
Growth  +44.1%
Annual growth 4.5%

60182 Pickup & Caravan

Theme / Subtheme City / Traffic
Year 2018
Pieces / Minifigs 344 / 3
Availability Retired
60182 LEGO City Pickup & Caravan
Retail $29.99
Value $79.99
Growth  +166.7%
Annual growth 11.4%

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 $49.99
Growth  +66.7%
Annual growth 6.3%