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 $528, a growth of 66%.
Most valuable 2015 LEGO City Traffic set
60097 City Square $224.00
Highest growth 2015 City Traffic set
60085 4x4 with Powerboat +218.77%
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 $9.71
Growth  +178.2%
Annual growth 5.6%

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 $6.97
Growth  +39.7%
Annual growth 2.8%

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 $47.48
Growth  +137.5%
Annual growth 7.2%

60083 Snowplough Truck

Theme / Subtheme City / Traffic
Year 2015
Pieces / Minifigs 196 / 1
Availability Retired
60083 LEGO City Snowplough Truck
Retail $19.99
Value $55.07
Growth  +175.5%
Annual growth 4.6%

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 $40.00
Growth  +100.1%
Annual growth 7.4%

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 $95.60
Growth  +218.8%
Annual growth 6.8%

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 $49.15
Growth  +63.9%
Annual growth 4.8%

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 $224.00
Growth  +17.9%
Annual growth 2.8%