परिणामकारक वाहतूक व्यवस्था ही - (a) इंधन वाचवते. (b) वेळ वाचवते. (c) उत्पादकता वाढवण्यास मदत करते. (d) आर्थिक वृद्धीस मदत करते. अचूक पर्याय निवडा :

The correct answer is Option D (All above).

Key Points:
• Correct Option Evaluation: The correct answer is option (4) All above.
• Significance of Effective Transport System:
• An efficient and robust transport infrastructure is the lifeline of any modern economy.
• (a) Helpful in saving fuel: Optimized logistics, reduced traffic congestion, and better road networks minimize unnecessary fuel wastage.
• (b) Helpful in saving time: Faster transit of goods and commuters reduces travel time and delays.
• (c) Helpful in enhancing productivity: Quick supply chain management ensures timely availability of raw materials to industries.
• (d) Helpful in enhancing economic growth: Seamless connectivity stimulates trade, market integration, and regional development, directly boosting GDP.
• Exam Insight: Infrastructure acts as a critical external economy that lowers transaction costs and increases aggregate economic efficiency.
• Key Takeaway: An effective transport system saves fuel, saves time, enhances productivity, and boosts economic growth.