id 359: De Vellis Drive

id 359 / C20a

Available: in World mapOfficial Track Name: De Vellis Drive
Distance: 7.65 mi / 12.31 km
Location: North Bay/Camden

Characteristics:
Identical (?) with id 366 (Top Gear Challenge). You may not see 2 event markers on the road in freeroam, but if you drive/select a few times, you will see both track names (they have two different event IDs!).

id 353: Chinatown Loop

id 353 / X15

Available: in freeroam drive
Official Track Name: Unlocalized String
Accurate Track Name: Chinatown Loop
Distance: 0.75 mi / 1.21 km
Location: Downtown Palmont

Characteristics:
Smallest circuit in the game.

id 348: Mason Fountain

id 348 / DP3

Available: in freeroam driveOfficial Track Name: Camden & Dunwich
Accurate Track Name: Mason Fountain
Distance: 3.39 mi / 5.2 km
Location: Downtown Palmont
Previously in Carbon.

Characteristics:
-

id 347: Park Drive

id 347 / DP1

Available: in freeroam drive
Official Track Name: Bristol & Diamond
Accurate Track Name: Park Drive
Distance: 2.78 mi / 4.4 km
Location: Downtown Palmont
Previously in Carbon.

Characteristics:
-

id 344: Knight Street

id 344

Available: in freeroam drive (Unlock All Tracks V3) or via event id changer
Official Track Name: Diamond & Union
Accurate Track Name: Knight Street
Distance: 4.13 mi / 6.7 km
Location: Downtown Palmont
Previously in Carbon.

Characteristics:
-

id 340: Tram Boundary

id 340

Available: only via event id changerSuggested Track Name: Tram Boundary
Distance: 5.74 mi / 9.24 km
Location: Downtown Palmont (start) /Silverton (finish)

Characteristics:
Missing barriers, peculiar barriers (some of them look like they were meant for a reverse version).

id 339: Lincoln Circuit

id 339

Available: only via event id changerSuggested Track Name: Lincoln Circuit (or Billings District)
Distance: 7.34 mi / 11.82 km
Location: Downtown Palmont

Characteristics:
Peculiar barriers (which also appear in one other track: Clubhouse), missing barrier.

id 338: Kempton Foundry

id 338

Available: only via event id changer
Suggested Track Name: Kempton Foundry (Hypercycle's suggestion: Dirty Oxygen)
Distance: ?
Location: Kempton

Characteristics: 9 laps.

id 337: Bellezza

id 337

Available: only via event id changerSuggested Track Name: Bellezza (Hypercycle's suggestion: Central Crossroads)
Distance: ?
Location: Fortuna

Characteristics: 9 laps.
Crossroad barriers is a rare feature - if I recall correctly, it only appears in one (or two?) other track, id 99 (Beacon & Petersburg).

id 336: Wyle Center

id 336

Available: only via event id changerSuggested Track Name: Wyle Center
Distance: ?
Location: Downtown Palmont

Characteristics:
5 laps.

id 313: Newport Trainyard

id 313 / K5

Available: in freeroam driveOfficial Track Name: Hwy 99 & State
Accurate Track Name: Newport Trainyard
Distance: 4.51 mi / 7.26 km
Location: Kempton
Previously in Carbon.

Characteristics:
-

id 310: Stonewall Tunnel

id 310 / K4

Available: in freeroam driveOfficial Track Name: Boundary & Marina
Accurate Track Name: Stonewall Tunnel
Distance: 2.35 mi / 3.79 km
Location: Kempton
Previously in Carbon.

Characteristics:
-

id 306: Foundry Road

id 306 / K2

Available: in freeroam drive
Official Track Name: Unlocalized String
Accurate Track Name: Foundry Road
Distance: 2.76 mi / 4.44 km
Location: Kempton
Previously in Carbon.

Characteristics:
-

id 304: Morgan Beach Offramp

id 304 / K1

Available: in freeroam driveOfficial Track Name: Lyons & Hwy 201
Accurate Track Name: Morgan Beach Offramp
Distance: 2.80 mi / 4.51 km
Location: Kempton
Previously in Carbon.

Characteristics:
-

id 300: Hillsborough Parkway

id 300 / F5

Available: in freeroam driveOfficial Track Name: Spade Street
Accurate Track Name: Hills Borough Parkway
Distance: 7.91 mi / 12.73 km
Location: Fortuna
Previously in Carbon.

Characteristics:
-

id 288: University Avenue

id 288

Available: only via event id changerAccurate Track Name: University Avenue
Distance: 4.73 mi / 7.6 km
Location: Fortuna
Previously in Carbon.

Characteristics:
-

id 280: South Fortuna Circuit

id 280 / F4

Available: in World map
Track Name: South Fortuna Circuit
Distance: 12.88 mi / 20.73 km
Location: Fortuna/Downtown Palmont/Kempton
Previously in Carbon (quick race).

Characteristics:
-

id 279: Robinson Bay

id 279 / K3

Available: in World mapTrack Name: Robinson Bay
Distance: 10.77 mi / 17.33 km
Location: Kempton
Previously in Carbon (quick race).

Characteristics:
-

id 278: Francis Tunnel

id 278 / X8

Available: if you browse X event cluster or via event id changerTrack Name: Francis Tunnel
Distance: 5.64 mi / 9.08 km
Location: Kempton (start) /  Silverton (finish)
Previously in Carbon (quick race).

Characteristics:
-

id 277: Mason St Bridge

id 277 / F7

Available: in World mapTrack Name: Mason St Bridge
Distance: 7.33 mi / 11.79 km
Location: Fortuna (start) - Kempton (finish)
Previously in Carbon (quick race).

Characteristics:
-