Does speed + sharp curve = crash?

[lhrob 213]

I know it sounds like an odd question, but I'm curious: Do cars and trains crash if they go through a curve too fast? Or is there something in the simulator that prevents crashes of that nature?

[Ferrariguy1000 43]

I use to think trains did crash if going fast on a sharp curve, but it's just going fast that derails a train. As of cars, no such thing unless you crash into another vehicle.

[mapboy 106]

Crashes occur based on a tile's congestion as shown in the traffic tile view. The game has higher congestion at intersections but not at corner, and replacing a corner with a curve does not affect traffic congestion.

(As I understand it)

Crashes occur based on a tile's congestion as shown in the traffic tile view. The game has higher congestion at intersections but not at corner, and replacing a corner with a curve does not affect traffic congestion.

(As I understand it)

Crashes occur based on a tile's congestion as shown in the traffic tile view. The game has higher congestion at intersections but not at corner, and replacing a corner with a curve does not affect traffic congestion.

(As I understand it)

[Cob92 360]

Not possible in the SC4 simulator. Vehicles simply travel along their networks at a fixed rate of speed. They only slow down in extreme congestion.

[Fatherted 129]

Crashes only occur in congestion, and if there is none, vehicles will go 130% of the network speed.

[z1 566]

Crashes only occur in congestion, and if there is none, vehicles will go 130% of the network speed.

That's only if there's no traffic at all (literally), not no congestion. When the network is at its rated capacity, which is defined in SC4 as the maximum capacity without congestion, the speed on the network equals its rated speed.

[lhrob 213]

So basically the smooth, wide radius curves in the game are just for the sake of appearances, right? I mean, in real life you're not going to see an "L" shaped section on a rail line carrying high-speed trains. The train would literally fly off the tracks.

[A Nonny Moose 8,261]

I am sure you've noticed by now that only GLR makes abrupt turns. I think this is something that should be fixed because even street cars can't do that. If there are curves, the intersection is extra wide to accommodate it.

Come to think of it, subway has the same disease.

[lhrob 213]

I am sure you've noticed by now that only GLR makes abrupt turns. I think this is something that should be fixed because even street cars can't do that. If there are curves, the intersection is extra wide to accommodate it.

Come to think of it, subway has the same disease.

Exactly. Definitely seeing more and more how this game wasn't designed with realistic transit networks in mind. Instead, the networks only visually represent the direction in which Sims move. For instance, the Sims move north, then east. If they are traveling on a highway, they simply move north, then east, faster.

[Cob92 360]

I am sure you've noticed by now that only GLR makes abrupt turns. I think this is something that should be fixed because even street cars can't do that. If there are curves, the intersection is extra wide to accommodate it.

Come to think of it, subway has the same disease.

Exactly. Definitely seeing more and more how this game wasn't designed with realistic transit networks in mind. Instead, the networks only visually represent the direction in which Sims move. For instance, the Sims move north, then east. If they are traveling on a highway, they simply move north, then east, faster.

It was worse in SC3K, Back then you could build 90 degree corners on highways and railroads. SC4 improved realism slightly by requiring turns on these networks to be in 45 degree increments.

[CaptCity 4,752]

The GLR does have 45 degree ortho-diagonal pieces that can be used for wider turns. The 90 degree pieces are from the first versions where only orthogonal directions were present.

[A Nonny Moose 8,261]

Shows how long I haven't used GLR. I'll have to re-read the documentation. I've been concentrating on small towns, and I don't get really busy CBDs with this scenario.

[cogeo 960]

I am sure you've noticed by now that only GLR makes abrupt turns. I think this is something that should be fixed because even street cars can't do that. If there are curves, the intersection is extra wide to accommodate it.

Come to think of it, subway has the same disease.

In fact trams can make really sharp turns, esp if you see their routes at the centres of many european cities; not at high speed, neither it's efficient, but they can do it. However the GLR/T-RAM set was specified to be possible to be laid on existing streets and roads without requiring any demolishing (this was the primary objective), and therefore some corners in "realism" may have indeed been cut. Don't know if the turns' radiuses could have been a little larger, or instead they have used up all available space; you can check this ingame.

But the definition of "GLR" may vary (and does vary in real cities). To some it may mean just trams/streetcars, to others some "light rail", or finally the subway emerging to ground-level at the suburbs (cars smaller/lighter than commuter rail but larger/heavier than trams). So the most "realistic" layout actually depends on the light rail skin mod one uses - for the larger cars you may normaly want less sharp turns, eg use the 45° puzzle pieces and, and maybe prefer tram-in-road over tram-on-road.

And to answer the question of the OP, "Does speed + sharp curve = crash?", YES, in the real world