1. 在限速 50 英里/小时的高速公路上雨下得很大，40 英里/小时对当前路况都已太快。基本速度法要求什么？
It is raining hard on a highway posted at 50 mph, and 40 mph already feels too fast for conditions. What does the fundamental speed law require?
保持 50 英里/小时，因为那是标示限速 / Keep at 50 mph because that is the posted limit 减速——即使限速更高，你的速度也必须适应交通、道路和天气条件 / Slow down — your speed must fit traffic, road, and weather conditions even if the limit is higher 正确答案 正好开 40 英里/小时，因为别人这样建议 / Drive 40 mph exactly, since another driver suggested it 打开双闪并保持标示限速 / Turn on hazard lights and keep the posted speed 无论标示限速多少，都不得开得比路况安全所允许的更快。
You must never travel faster than is safe for conditions, regardless of the posted limit.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
2. 在未采用 25 英里/小时地方限速的城镇，一条穿过人口稠密区的道路没有限速标志。超过多少速度会被视为不合理、不适当？
No speed limit is posted on a road through a thickly settled district in a town that has NOT adopted a 25 mph local limit. Above what speed would your driving be unreasonable and improper?
20 英里/小时 / 20 mph 25 英里/小时 / 25 mph 30 英里/小时 / 30 mph 正确答案 40 英里/小时 / 40 mph 除非另有标示，在人口稠密区或商业区超过 30 英里/小时即属不合理。
Unless posted otherwise, over 30 mph in a thickly settled or business district is unreasonable.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
3. 马萨诸塞州一些社区将人口稠密区限速定为 25 英里/小时（除非另有标示）。你如何知道自己进入了这样的社区？
Some Massachusetts communities set their thickly settled speed limit at 25 mph unless posted otherwise. How do you know when you enter one?
你的手机会收到短信 / A text message is sent to your phone 路面颜色会改变 / The road surface changes color 只有当地居民会被告知 / Only local residents are told 城镇所有入口处都设有标志 / Signs are posted at all entrances to the city or town 正确答案 采用 25 英里/小时人口稠密区限速的社区在每个入口都设有标志。
Communities using the 25 mph thickly settled limit post signs at every entrance.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
4. 在马萨诸塞州，什么才算“人口稠密区”？
What counts as a 'thickly settled district' in Massachusetts?
建筑物间距小于 200 英尺且连续达四分之一英里或以上的区域 / An area where buildings are less than 200 feet apart for a distance of one-quarter mile or more 正确答案 任何有红绿灯的区域 / Any area with a traffic light 两侧都有停车的任何街道 / Any street with parked cars on both sides 市界以内的区域 / An area inside a city border 人口稠密区指建筑间距小于 200 英尺、连续达四分之一英里以上的区域。
A thickly settled district has buildings under 200 feet apart for at least a quarter mile.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
5. 马萨诸塞州学校区域的限速是多少？
What is the speed limit in a Massachusetts school zone?
15 英里/小时 / 15 mph 20 英里/小时 / 20 mph 正确答案 25 英里/小时 / 25 mph 30 英里/小时 / 30 mph 学校附近道路在学校区域内限速 20 英里/小时。
Roads near schools carry a 20 mph limit in a school zone.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
6. 在人口稠密区或商业区之外、且没有任何标志的高速公路上，超过多少速度会被视为不合理？
Outside a thickly settled or business district, and with nothing posted, above what speed is driving on a highway considered unreasonable?
40 英里/小时 / 40 mph 45 英里/小时 / 45 mph 50 英里/小时 / 50 mph 正确答案 55 英里/小时 / 55 mph 无标志时的基准是：非高速公路 40 英里/小时，人口稠密区外的高速公路 50 英里/小时。
The unposted benchmarks are 40 mph off-highway and 50 mph on a highway outside thickly settled districts.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
7. 马萨诸塞收费公路（Massachusetts Turnpike）的最低限速是多少？
What is the minimum speed on the Massachusetts Turnpike?
40 英里/小时 / 40 mph 正确答案 20 英里/小时 / 20 mph 30 英里/小时 / 30 mph 45 英里/小时 / 45 mph 收费公路最低限速为 40 英里/小时；波士顿海港隧道最低为 20 英里/小时。
The Turnpike minimum is 40 mph; Boston Harbor tunnels have a 20 mph minimum.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
8. 马萨诸塞州的有限出入高速公路（如州际公路）通常限速范围是多少？
Limited-access highways in Massachusetts, such as interstate routes, generally carry speed limits in what range?
SPEED LIMIT 35
35 至 45 英里/小时 / 35 to 45 mph 50 至 65 英里/小时 / 50 to 65 mph 正确答案 45 至 55 英里/小时 / 45 to 55 mph 65 至 75 英里/小时 / 65 to 75 mph 有限出入高速公路为 50 至 65 英里/小时；较小的公路为 55 英里/小时或更低。
Limited-access highways run 50 to 65 mph; smaller highways are 55 mph or lower.
出处 Source：Chapter 4 — Speed Limits · 官方手册 Official handbook
9. 你在 steady red（持续红灯）前停下想右转。什么时候可以走？
You stop at a steady red light and want to turn right. When may you go?
先鸣笛就可以立即走 / Immediately, if you honk first 只能等绿灯亮起 / Only when the light turns green 完全停稳后，让行人和其它车辆先行——且有 NO TURN ON RED 标志时绝不能转 / After a complete stop, yielding to pedestrians and other vehicles — and never if a NO TURN ON RED sign is posted 正确答案 减速到 5 英里/小时看一眼就可以 / After slowing to 5 mph and looking once 停稳并让行后可以红灯右转，但有 NO TURN ON RED 标志时禁止。
Right on red is allowed after stopping and yielding, unless a NO TURN ON RED sign prohibits it.
出处 Source：Chapter 4 — Traffic Signals · 官方手册 Official handbook
10. 在马萨诸塞州，什么时候允许红灯左转？
When is a left turn on a red light allowed in Massachusetts?
从任何街道转入单行道都可以 / From any street onto a one-way street 绝不允许——红灯左转一律违法 / Never — left on red is always illegal 仅当警察在夜间挥手示意通过红灯时 / Only when a police officer waves you through a red light at night 仅当从一条单行道转入另一条单行道时，停稳并让行后可以 / Only from a one-way street onto another one-way street, after stopping and yielding 正确答案 只有从单行道转入单行道时，才可在停稳让行后红灯左转。
Left on red is allowed only one-way onto one-way, after a stop and yield.
出处 Source：Chapter 4 — Traffic Signals · 官方手册 Official handbook
11. 前方交通灯在闪烁红灯。你应如何对待？
The traffic light ahead is flashing red. How must you treat it?
与停车标志相同：完全停稳，遵守路权规则，安全时再走 / The same as a STOP sign: come to a complete stop, obey right-of-way rules, and go when safe 正确答案 像让行标志一样——只需减速 / Like a yield sign — slow down only 看一眼就当绿灯 / Like a green light after one look 只有横向有车时才停车 / Stop only if cross traffic is present 闪烁红灯与停车标志含义相同。
A flashing red circle means the same as a STOP sign.
出处 Source：Chapter 4 — Traffic Signals · 官方手册 Official handbook
12. 你接近持续黄灯，且能在路口前安全停下。你必须怎么做？
You approach a steady yellow light and can stop safely before the intersection. What must you do?
加速抢在红灯前通过 / Speed up to beat the red 继续行驶，因为黄灯表示加速 / Proceed because yellow means go faster 只有行人在过街时才停车 / Stop only if a pedestrian is crossing 停车——信号正在由绿变红 / Stop — the signal is changing from green to red 正确答案 持续黄灯表示即将变红灯；能安全停下时必须停车。
Steady yellow means the light is about to turn red; stop if you can do so safely.
出处 Source：Chapter 4 — Traffic Signals · 官方手册 Official handbook
13. 路口所有信号灯都熄灭、不工作。你应如何通行？
All the traffic signals at an intersection are dark and not functioning. How do you proceed?
当作你方向是绿灯 / As if it were a green light for your direction 仅对支路是让行 / As a yield for side streets only 当作各个方向都有停车标志——停车，安全时再走 / As though there is a stop sign in all directions — stop and go when safe 正确答案 不停车缓慢通过 / Drive through slowly without stopping 信号灯熄灭时按全向停车处理。
Blacked-out signals are treated like an all-way stop.
出处 Source：Chapter 4 — Traffic Signals · 官方手册 Official handbook
14. 在持续绿灯时你想左转。你必须先做什么？
On a steady green light you want to turn left. What must you do first?
让对向车辆先行，并注意行人和骑行者 / Yield to oncoming traffic, and watch for pedestrians and bicyclists 正确答案 在对向车辆动起来之前快速转弯 / Turn quickly before oncoming traffic moves 鸣笛后转弯 / Sound your horn and turn 任何情况下都要等绿色箭头 / Wait for a green arrow in all cases 持续绿灯左转必须让对向车辆先行。
A left turn on a steady green requires yielding to oncoming traffic.
出处 Source：Chapter 4 — Traffic Signals · 官方手册 Official handbook
15. 你旁边车道之间是白色虚线。它允许什么？
A broken white line separates lanes beside you. What does it allow?
在对向超车 / Passing in the opposite direction 打信号并确认安全后，在同向车道间变道 / Lane changes in the same direction after you signal and check it is safe 正确答案 在车道内停车 / Parking in the lane 仅卡车可以跨越 / Crossing only for trucks 白色虚线分隔同向车道，安全时可跨越变道。
Broken white lines separate same-direction lanes and may be crossed to change lanes when safe.
出处 Source：Chapter 4 — Pavement Markings · 官方手册 Official handbook
16. 中央双黄线都是实线。禁止什么，仍允许什么？
Both lines of a double yellow center line are solid. What is prohibited, and what is still allowed?
禁止一切跨越，包括转弯 / All crossing is banned, including turns 允许超车但禁止转弯 / Passing is allowed but turns are banned 禁止跨越超车；安全时可跨越左转 / Crossing to pass another vehicle is banned; crossing for a left turn is allowed when safe 正确答案 没有任何变化——线条只是参考 / Nothing changes — the lines are only guides 双黄实线禁止超车，但安全时可以跨越左转。
Double solid yellow lines bar passing, but a left turn across them is permitted when safe.
出处 Source：Chapter 4 — Pavement Markings · 官方手册 Official handbook
17. 中央线组中你这一侧是黄实线、另一侧是黄虚线。你可以跨越超车吗？
A center line pair has a solid yellow line on your side and a broken yellow line on the far side. May you cross to pass?
只要车少就可以 / Yes, whenever traffic is light 可以，因为有一侧是虚线 / Yes, because one side is broken 夜间两侧都可以超车 / Passing is allowed for both sides at night 只有虚线一侧的车辆可以跨越超车；你这一侧不可以 / Only the traffic on the broken-line side may cross to pass; your side may not 正确答案 黄实线加黄虚线时，只有虚线一侧可以超车。
With solid-plus-broken yellow, passing is allowed only from the broken-line side.
出处 Source：Chapter 4 — Pavement Markings · 官方手册 Official handbook
18. 车道上画着白色菱形表示什么？
What does a white diamond painted on a lane tell you?
该车道有特殊限制，如仅限高载客车辆或仅限公交 / The lane has a special restriction, such as HOV only or bus only 正确答案 车道即将结束 / The lane is ending 该车道用于停车 / The lane is for parking 该车道是自行车道 / The lane is a bicycle lane 白色菱形标示限制车道，如高载客车辆专用或公交专用。
A white diamond marks a restricted lane such as a high-occupancy-vehicle or bus lane.
出处 Source：Chapter 4 — Pavement Markings · 官方手册 Official handbook
19. 两辆车同时到达四向停车路口。谁先走？
Two cars reach a four-way stop at exactly the same moment. Who goes first?
较大的车辆 / The larger vehicle 右侧的驾驶员——你要让已在你右侧停稳的车辆先行 / The driver on the right — yield to the vehicle stopped to your right 正确答案 左侧的驾驶员 / The driver on the left 先鸣笛的驾驶员 / The driver who honks first 四向停车时按停稳顺序通行；同时到达则让右侧车辆先行。
At a four-way stop, vehicles go in the order they stopped; if simultaneous, yield to your right.
出处 Source：Chapter 4 — Right-of-Way Rules · 官方手册 Official handbook
20. 在一个没有标志或信号的路口，一辆车从你右侧驶来。你必须怎么做？
At an intersection with no signs or signals, a car approaches from your right. What must you do?
加速先通过 / Speed up to clear first 打开远光灯后继续 / Turn on high beams and proceed 给从你右侧驶来的车辆让行 / Yield the right-of-way to the vehicle coming from your right 正确答案 对方永远要让你 / The other driver always yields to you 在无控制路口，要让已从你右侧驶入或正从右侧驶来的车辆先行。
At an uncontrolled intersection you yield to a vehicle that has entered, or is coming, from your right.
出处 Source：Chapter 4 — Right-of-Way Rules · 官方手册 Official handbook
21. 你正从车道驶入一条铺装街道。进入之前必须怎么做？
You are pulling out of a driveway onto a paved street. What must you do before entering?
鸣笛后缓慢驶出 / Honk and pull out slowly 只让车辆，不让行人 / Yield only to vehicles, not pedestrians 快速驶入让其它车辆适应 / Enter quickly so traffic can adjust 先停车，然后让行人、骑行者和你要进入道路上的车辆先行 / Stop, then yield to pedestrians, bicyclists, and vehicles on the road you are entering 正确答案 从车道、私人道路或未铺装道路进入铺装道路时必须停车并让行。
Entering a paved road from a driveway, private road, or unpaved road requires a stop and yielding.
出处 Source：Chapter 4 — Right-of-Way Rules · 官方手册 Official handbook
22. 马萨诸塞州环岛（rotary）内的车流朝哪个方向行驶，入口处谁让行？
Traffic in a Massachusetts rotary travels which way, and who yields at the entrance?
顺时针；环内驾驶员让进入的车辆 / Clockwise; drivers inside yield to entering traffic 逆时针；进入的驾驶员让已在环内的车辆和行人先行 / Counterclockwise; entering drivers yield to vehicles already in the rotary and to pedestrians 正确答案 逆时针；谁都不让 / Counterclockwise; no one yields 顺时针；行人让所有车辆 / Clockwise; pedestrians yield to all cars 环岛车流逆时针行驶，入口让行标志要求让已在环内的车辆先行。
Rotary traffic moves counterclockwise, and yield signs at entrances require yielding to traffic already inside.
出处 Source：Chapter 4 — Right-of-Way Rules · 官方手册 Official handbook
23. 在普通街道和高速公路上，分别要提前多远打转弯信号？
How far in advance must you signal a turn on an ordinary street, and on a highway?
街道 50 英尺；高速 200 英尺 / 50 feet on streets; 200 feet on highways 开始转弯时才打 / Signal only as you begin the turn 街道 100 英尺；高速 500 英尺 / 100 feet on streets; 500 feet on highways 正确答案 任何地方都是 200 英尺 / 200 feet everywhere 转弯前至少提前 100 英尺打信号；高速公路上至少 500 英尺。
Signal at least 100 feet before a turn, and at least 500 feet before a turn on a highway.
出处 Source：Chapter 4 — Lanes, Intersections, and Turns · 官方手册 Official handbook
24. 你想在山顶附近掉头，而你和他人都看不到 500 英尺外。这种情况如何处理？
You want to make a U-turn near the crest of a hill where neither you nor others can see 500 feet. What applies?
提前打信号就可以 / Allowed if you signal early 夜间开大灯就可以 / Allowed at night with headlights on 仅小型车可以 / Allowed only for small cars 不允许——在视距不足 500 英尺处（如山顶或弯道附近）绝不能掉头 / Not allowed — never U-turn where visibility is under 500 feet, such as at a hill crest or near a curve 正确答案 在视距不足 500 英尺的地方禁止掉头，且只能从最靠近中央线的车道掉头。
U-turns are barred where drivers cannot see 500 feet, and only from the lane closest to the center line.
出处 Source：Chapter 4 — Lanes, Intersections, and Turns · 官方手册 Official handbook
25. 你错过了高速公路出口。正确做法是什么？
You miss your highway exit. What is the correct response?
继续到下一个出口，再从那里返回另一方向 / Continue to the next exit and rejoin in the other direction from there 正确答案 在应急车道停车并倒车 / Stop in the breakdown lane and back up 穿过中央带去出口匝道 / Cross the median to the exit ramp 减速并等空隙倒车 / Slow down and wait for a gap to reverse 错过出口后绝不能在高速公路上停车或倒车；走下一个出口。
Never stop or back up on a highway after missing an exit; use the next exit.
出处 Source：Chapter 4 — Lanes, Intersections, and Turns · 官方手册 Official handbook
26. 在双向道路上跨越黄虚线超车时，你需要多远的清晰视距，又必须在何时回到车道？
To pass on a two-way road by crossing a broken yellow line, how much clear view ahead do you need, and when must you be back in your lane?
200 英尺视距；方便时返回 / 200 feet of view; return when convenient 400 英尺清晰视距；在对向车辆距你 200 英尺以内之前返回 / 400 feet of clear view; return before any oncoming vehicle comes within 200 feet 正确答案 500 英尺视距；在对向车辆 100 英尺内返回 / 500 feet of view; return within 100 feet of oncoming traffic 100 英尺视距；没有规定返回距离 / 100 feet of view; no set return distance 跨黄虚线超车需至少 400 英尺清晰视距，并在对向车辆进入 200 英尺之前返回。
Passing across a broken yellow line requires seeing at least 400 feet ahead and returning before oncoming traffic is within 200 feet.
出处 Source：Chapter 4 — Rules for Passing · 官方手册 Official handbook
27. 另一名驾驶员正在超越你的车辆。你必须怎么做？
Another driver is passing your vehicle. What must you do?
加速让对方更快完成 / Speed up so they can finish faster 向左移动挡住对方 / Move left to block them 减速并靠右，让对方安全通过——不要加速 / Slow down and stay to the right so they can pass safely — do not speed up 正确答案 反复闪灯 / Flash your lights repeatedly 被超车时必须减速、靠右，并且不要加速。
A driver being passed must slow down, stay right, and not speed up.
出处 Source：Chapter 4 — Rules for Passing · 官方手册 Official handbook
28. 在哪些情况下允许右侧超车？
Passing on the right is allowed in which set of situations?
当前车正在或即将左转时、在单行道上、或在单向多车道道路上——且道路畅通、足够宽 / When the vehicle ahead is making or about to make a left turn, on a one-way street, or on a road with one-direction multi-lane traffic — if the road is clear and wide enough 正确答案 左侧车道繁忙时任何时候都可以 / Any time the left lane is busy 交通缓慢时走路肩或应急车道 / On the shoulder or breakdown lane when traffic is slow 只要前车驾驶员示意你超车 / Whenever the driver ahead signals you to pass 右侧超车仅限于这些情况；绝不能用路肩、应急车道或人行道超车。
Right-side passing is limited to those situations; the shoulder, breakdown lane, and sidewalk may never be used for passing.
出处 Source：Chapter 4 — Rules for Passing · 官方手册 Official handbook
29. 在没有路缘石的坡道上停车：前轮应朝向哪边？
Parking on a hill with no curb: which way should your front wheels point?
向外，朝向行车道 / Outward, toward the travel lane 向内，朝向路边 / Inward, toward the edge of the road 正确答案 笔直向前 / Straight ahead 拉了手刹就无所谓 / It does not matter if the parking brake is set 没有路缘石时，前轮向内朝向路边；在坡道上务必拉手刹。
With no curb, turn wheels inward toward the road edge; always set the parking brake on a hill.
出处 Source：Chapter 4 — Parking · 官方手册 Official handbook
30. 距路口多近、距消防栓多近停车是违法的界限？
How close to an intersection, and how close to a fire hydrant, may you legally park?
距路口 10 英尺内；距消防栓 20 英尺 / Within 10 feet of an intersection; 20 feet of a hydrant 距两者 30 英尺内 / Within 30 feet of either 距路口 20 英尺内；距消防栓或消防通道 10 英尺内 / Within 20 feet of an intersection; 10 feet of a fire hydrant or fire lane 正确答案 在住宅区附近两者都可以停 / Parking near either is always allowed in residential areas 距路口 20 英尺内、距消防栓或消防通道 10 英尺内禁止停车。
Parking is barred within 20 feet of an intersection and within 10 feet of a hydrant or fire lane.
出处 Source：Chapter 4 — Parking · 官方手册 Official handbook
