🔧 交通運輸工具

🚦 交叉口信號週期配時方案Cycle Signal 基於 Webster 法計算最佳週期、分配有效綠燈時間，並繪製信號時序圖。Cycle Signal - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools. ⚙️ 交通噪聲（Leq）預測Noise 基於 FHWA 簡化模型，由交通量、車速、重型車比例、距離與地面類型估算等效連續聲級 Leq。Noise - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools. ⚙️ 交通量（高峯小時係數）計算Traffic Volume (Peak Hour Factor) Calculator 輸入24小時交通量或高峯小時4個15分鐘流量，計算 PHF、日交通量與 AADT 估計，並生成流量分佈圖。Compute traffic volume and peak hour factor (PHF). Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation... 🚗 停車費用計算器（交通）Parking Fee Calculator - ( Traffic ) 輸入停車時長，按首小時單價、之後每小時單價與每日封頂價分段計費，自動算出應繳停車總費用，適用於商場、醫院等停車場費用快速估算。Parking Fee Calculator - ( Traffic ) - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. P... 🚗 剎車距離計算器Calculator Calc Speed 剎車距離在線計算器，輸入車速、反應時間與路面摩擦係數，估算反應距離與制動距離之和的總停車距離，輔助安全駕駛與交通評估，純前端。Calculator Calc Speed - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Tran... 🚗 油耗成本計算器Calculator Calc Fuel 輸入里程、油耗與油價，分別估算單程與往返（×2）的燃油費用並對比差額，幫助出行與通勤者快速判斷來回成本，用於日常用車預算規劃。Calculator Calc Fuel - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Trans... 🚗 燃油效率單位轉換（MPG ↔ L/100km）Convert Fuel Oil 燃油效率單位在線轉換器，支持 MPG（英里每加侖）與 L/100km（升每百公里）互轉，以及 UK/US 加侖差異換算，便於跨國用車對比，純前端。Convert Fuel Oil - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Trans... 🚗 電池續航估算（電動車）Estimate Energy 電動車續航估算器：輸入電池容量、能耗與電量狀態 SOC，估算可行駛里程，用於電動車出行規劃參考。Estimate Energy - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools. 🚗 行駛時間估算Estimate Speed Time 輸入距離、平均速度與中途休息，計算駕駛時長、休息時長、總耗時及預計到達時間。Estimate Speed Time - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools. 🚗 貨物體積重量換算（實際重 vs 體積重）Convert Volume Weight 貨物體積重量換算器：按體積重與實際重對比，取較大者作為計費重量，用於物流運費核算。Convert Volume Weight - convert values online, free and instant. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the ... 🚗 車輛折舊計算器（年限法）Calculator Calc Depreciation 輸入購車價、使用年限與殘值率，選擇折舊方法，生成逐年折舊明細與賬面淨值。Calculator Calc Depreciation - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of t... ⚙️ 車道容量（飽和流率）估算Estimate Capacity 車道容量估算器：輸入車道寬度、飽和流率與高峯小時係數，估算車道通行容量與服務水平 LOS，用於交通設計。Estimate Capacity - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools. 🚗 輪胎尺寸升級計算器Calculator Calc Tire 輪胎尺寸升級計算器：輸入輪胎規格（如 225/45R17），計算外徑變化並提示對時速表與實際車速的影響，用於改裝參考。Calculator Calc Tire - calculate online, free and accurate. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Trans... 🚗 違章罰款金額計算（交通）Traffic Violation Fine Calculator 內置常見交通違法行為庫，勾選違法行為後累計罰款與扣分，並提示記分風險（參考標準，以當地法規為準）。Estimate traffic violation fines. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools. 🚗 集裝箱裝箱數量估算（交通）Estimate 4 選擇集裝箱類型與紙箱尺寸/重量，按體積與重量分別計算最大裝箱數，並嘗試6種擺放方向取最優。Estimate 4 - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Transportation tools.