3 ms·The speed limit for cars is often greater than for trucks.by jjp 11y agoThe speed limit for cars is often greater than for trucks.poolbath1 11y agoOn single lane roads though, as OP was referring to? I honesty don't know though because I don't drive much anymore.jjp 11y agoYes even on single lane roads.UK limits https://www.gov.uk/speed-limits https://www.gov.uk/speed-limits