In 2015, LEGO released 8 City Traffic sets, all of these sets have been retired. For that year, the total price of all retail sets cost $318, today those sets are valued around $523, a growth of 64%.
Most valuable 2015 LEGO City Traffic set
60097 City Square $206.54
Highest growth 2015 City Traffic set
60085 4x4 with Powerboat +296.73%
Most owned 2015 City Traffic set
60084 Racing Bike Transporter
8 sets

30313 Garbage Truck

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 48 / 1
Availability Retired
30313 LEGO City Garbage Truck
Retail $3.49
Value $9.98
Growth  +186.0%
Annual growth 7.1%

30314 Go-Kart Racer

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 45 / 1
Availability Retired
30314 LEGO City Go-Kart Racer
Retail $4.99
Value $6.74
Growth  +35.1%
Annual growth 2.7%

60081 Pickup Tow Truck

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 209 / 2
Availability Retired
60081 LEGO City Pickup Tow Truck
Retail $19.99
Value $46.58
Growth  +133.0%
Annual growth 7.9%

60083 Snowplough Truck

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 196 / 1
Availability Retired
60083 LEGO City Snowplough Truck
Retail $19.99
Value $51.33
Growth  +156.8%
Annual growth 4.5%

60084 Racing Bike Transporter

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 178 / 2
Availability Retired
60084 LEGO City Racing Bike Transporter
Retail $19.99
Value $37.22
Growth  +86.2%
Annual growth 6.5%

60085 4x4 with Powerboat

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 301 / 2
Availability Retired
60085 LEGO City 4x4 with Powerboat
Retail $29.99
Value $118.98
Growth  +296.7%
Annual growth 7.5%

60086 LEGO City Starter Set

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 242 / 5
Availability Retired
60086 Traffic LEGO City Starter Set
Retail $29.99
Value $45.37
Growth  +51.3%
Annual growth 2.4%

60097 City Square

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 1,683 / 14
Availability Retired
60097 LEGO Traffic City Square
Retail $189.99
Value $206.54
Growth  +8.7%
Annual growth 2.1%